[Q] Nexus 5 pressure sensor accuracy (barometer) - Nexus 5 Q&A, Help & Troubleshooting

Hi!
on my nexus 5 (android 4.4.2 stock) the pressure sensor is not accurate.
It detects about 5 millibar above the real value.
I compared nexus 5 with two professional weather stations and with a galaxy nexus: the two weather stations and the galaxy nexus detect about the same value, while nexus 5 detects a too high value (about 5 millibar more).
Has anyone noticed the same problem?
Thank you.

Guybrush85 said:
Hi!
on my nexus 5 (android 4.4.2 stock) the pressure sensor is not accurate.
It detects about 5 millibar above the real value.
I compared nexus 5 with two professional weather stations and with a galaxy nexus: the two weather stations and the galaxy nexus detect about the same value, while nexus 5 detects a too high value (about 5 millibar more).
Has anyone noticed the same problem?
Thank you.
Click to expand...
Click to collapse
Dear Guybrush85,
I guess I have the same issue. I bought mine two days ago and its serial number begins with 401K. I have the latest updates with Android 4.2.2.
My device is measuring with aproximately 1hPa more. I have to admit that calculation (or finding) a real absolute pressure reference is quite hard. Atmospheric phenomena is very complex and local conditions can make noticable differences wrt say, airport weather systems. Knowing your exact altitude is another story if your are dealing with absolute accuracies of less than 5m.
I made a quick test by measuring its relative measurement capability (by walking down to local sea shore and then climb back to home) and I found it comparable with the data given in the datasheet. I have also made several ladder climbing with consistent and repeatable results. For my case, the issue seems to be a simple pressure bias (~+1hPa) and its seems that this bias is constant, i.e., not changing with pressure and temperature (not a rigorous result!).
The sensor used in the device is a Bosch BMP280. Its datasheet indicates that the absolute accuracy of this device is ~+-1hPa. Once I read a datasheet of a similar device (BMP085) saying that soldering process may differ the absolute measurement by 1hPa but of course it is impossible to blame manufacturing process without any further knowledge for such a high difference (your 5hPa).
If it's simply a bias issue then adding/subtracting the bias amount from the reading may be a (ugly) solution. You may also design some experiments (if not since) to find whether your readings are measurement bias or something else.
I may call myself quite obsessive with sensor measurements and I am trying convince myself to live with this if it may not be solved with a SW update. I am not sure if this is a generally known issue with LG Nexus 5.
If you find any solution to this please let me know.
Best Regards,
R. Mert Ozel

If it's a bias issue, an xposed module could fix it to show the correct value. Ugly hack though.
Sent from my Nexus 7

Guybrush85 said:
Hi!
on my nexus 5 (android 4.4.2 stock) the pressure sensor is not accurate.
It detects about 5 millibar above the real value.
I compared nexus 5 with two professional weather stations and with a galaxy nexus: the two weather stations and the galaxy nexus detect about the same value, while nexus 5 detects a too high value (about 5 millibar more).
Has anyone noticed the same problem?
Thank you.
Click to expand...
Click to collapse
I bought a Nexus 5 last month. Similar issue, but mine the bias is +2mbar.
I've been plotting the pressure trend using my N5 and N4. I use this simple app Barometer. After nearly a week, the pressure trend IS similar. Indicating that my N5 have a bias of +2mbar.
Any idea how to correct this bias?
Cheers

Related

[Q] Oxygen and UV sensor hack for S5

I am not a developer and not capable of doing lot of work many people do here. I just read and follow instructions. I have been very happy with my experience. This time around I have an idea that I would like to share/suggest. Again, I am not capable of doing this myself. I am presenting this idea to all the capable developers here. I did search and did not find any posting, so I am making my own.
I have just learned that Samsung Note 4 has Oxygen sensor and UV sensor in addition to heart rate monitor on the back. Well, looking at the Note 4 it does not appear to have additional hardware compared to S5. This heart rate monitor is actually red/infrared sensor - again common to both devices. Oxygen sensors (commercial) use red light wavelength 660 nM and infrared light at 940 or 880 nM (depending on the manufacturer) and by measuring the light absorption of these two wavelengths they calculate hemoglobin oxygen value. Well, Samsung has used the same mechanism for Note 4.
My suggestion for the devs is to extract the code from Note 4 and make an apk that can be used for S5, making S5 capable of monitoring oxygen and UV values!
gadgetdoc1 said:
I am not a developer and not capable of doing lot of work many people do here. I just read and follow instructions. I have been very happy with my experience. This time around I have an idea that I would like to share/suggest. Again, I am not capable of doing this myself. I am presenting this idea to all the capable developers here. I did search and did not find any posting, so I am making my own.
I have just learned that Samsung Note 4 has Oxygen sensor and UV sensor in addition to heart rate monitor on the back. Well, looking at the Note 4 it does not appear to have additional hardware compared to S5. This heart rate monitor is actually red/infrared sensor - again common to both devices. Oxygen sensors (commercial) use red light wavelength 660 nM and infrared light at 940 or 880 nM (depending on the manufacturer) and by measuring the light absorption of these two wavelengths they calculate hemoglobin oxygen value. Well, Samsung has used the same mechanism for Note 4.
My suggestion for the devs is to extract the code from Note 4 and make an apk that can be used for S5, making S5 capable of monitoring oxygen and UV values!
Click to expand...
Click to collapse
Well if they are in fact the same sensors the note uses im sure we'll see the feature in a future update, perhaps lollipop?
No such update
I have heard that shealth got an update with sp02 and uv monitoring but I don't see them in my s5 yet. Were they removed or they were not released in the first place.

Do I buy this phone?

What is your opinion is it worth of price? Do I buy it or go for note 3/4?
Both are great
I have both phones and I like each phone for different reasons. I really like the sleekness and the larger screen on the Mate 7 and it works great on T Mobile. Outdoors the screen could be brighter though. For travel purposes I would probably default to the Note 4 because it has a better camera and shoots 4K video. And I really have always liked the built in pen capabilities of the Note series. I hear Huawei may be announcing the Mate 8 soon (March?) which might be worth checking out but might also lower the price on the Mate 7. For the last couple of weeks I have been using the Mate 7 exclusively and knowing what I know now I might be hard pressed to spend $700+ on the Note 4. I happened to have been in Cambodia when the Mate 7 was first released and bought it for $470 with case. I use a 128GB SD card in it with no problems. I find the speaker on the Mate 7 to be louder than the Note 4 which I really like when walking near traffic.
Bill
@bkkcnxsi Thx for replay. I heard from some people that huawei generaly have tehnical hardware problems and after few months of using visiting service is necessary. This serie of "Mate 7" does not have that problems?
93boba said:
@bkkcnxsi Thx for replay. I heard from some people that huawei generaly have tehnical hardware problems and after few months of using visiting service is necessary. This serie of "Mate 7" does not have that problems?
Click to expand...
Click to collapse
Hardware is okay, software is crap. Big screen, but less data on it than on a cheapie Nexus 5. Huawei just made all the graphics and text super huge so you have a massive phone to carry in your pocket for zero benefit. Made for 80-year-old grandmas with vision problems, I guess.
I personally like my AM7, in order of most recently owned phones, I've had: LG G3 -> Sony Xperia Z1 -> Nexus 5 -> Galaxy Note 3, so my experiences come from owning those phones.
The is the best phone I've owned in a few aspects: 1) battery life; 2) build quality; 3) ergonomics; 4) hardware.
Battery life speaks for itself, as I've consistently had 6 hours of on screen time (note: I use Xposed with Greenify, and GPS usually off and at 65-75% brightness). Simply put: it's a complete monster of a phone in terms of battery life.
The build quality is simply staggering as there aren't many Android phones out there that can compete. The quality speaks for itself, as the only phone that can compare to it is the HTC One M8.
Ergonomics - the button placement is great, especially for the size of the phone. There's a minimal amount of bezels too, which means the phone's screen real estate is huge. The LG G3's take on button placement was nearly perfect, and Huawei took advantage of this by placing the fingerprint scanner right where your index finger naturally lays.
Hardware - fingerprint scanner, octacore processor, 'nuff said.
Cons: software, software, software, camera, software.
This phone's software is cumbersome at times. It has moments of brilliance, but is overall not great. I'm currently running Nova launcher to replace the ghastly stock launcher. But certain aspects of the stock theme cannot be replaced by Xposed apps and what not. Things include: inability to remove the alarm clock from the notification bar, pull down menus, recent apps layout, etc.Hopefully, Lolipop will fix a few of these issues.
Overall, the phone is spectacular. There's always going to be something better in the market in 4-5 months, but I can see myself living with this phone for a while, but it all depends on when we get 5.0 and if at least a few of the software issues are resolved.
To be fair not a single smartphone is manufactured yet which is totally perfect. Take any phone and go to their forum and see what people are complaining.
In my opinion this is the best phone I ever saw. The most important thing for me is the battery life. It gives me easily 9 to 10 hours of screen time which is more than sufficient for me. I don't think that there is any other phone in the market giving you this much screen on time. All this time wifi is on and surfing the net plus Facebook and Facebook videos...
Sent from my HUAWEI MT7-TL10 using Tapatalk
93boba said:
What is your opinion is it worth of price? Do I buy it or go for note 3/4?
Click to expand...
Click to collapse
It depends on what you looking for. If you want concern battery, screen side , two sim card . Mate 7 will be a good choice. If you concern the cpu speed , and camera ,you should note 4. I buy Mate 7 , because it have 6 mon and can support 4g in hong kong and china. Not much choice can meet my requirements , finally I choose Mate 7
Sent from my HUAWEI MT7-TL10 using XDA Free mobile app

Galaxy S10 plus vs Oneplus 7 Pro

Been a Samsung user since the the original note 3. I owned only OnePlus phone, aka OnePlus 1. It was fast back then and still is useable for me with custom rom. Now, current I own a note 5, I have it for almost 4 years now. Its getting slow even with a custom rom. There is not much support for the note 5 either, specially t mobile note 5. So my question is should I go with the Galaxy S10 plus or the OnePlus 7 Pro? S10 plus are listed for 750$ (8gb,128gb,unlocked). The OnePlus 7 Pro is also 750 unlocked with the best possible spec from OnePlus (256gb,12gb, unlocked). Money is not an issue for me to be honest, but I don't want to overpaid (weird). Which is better and your reason for choosing one over the other. Or .... Should I wait for the note 10? I know it's gonna be a beast :laugh:
honestly, I guess it comes down to personal preference.
i.e. Samsung is more feature packed but more locked down. OP is more dev friendly, if you'd like to play with modding and custom roms
Owning an s9+ for a couple of years, I enjoy some of the Samsung features, but could live without:
- water proofing - dunked the phone in water 3 times only: can't use the screen properly and that's a shame, also the speakers get muzzled and you get that annoying device is wet notification - better skip (the photos aren't that great either unless you're in a clear-water swimming pool)
- wireless charging - definitely cool feature, it's useful for me because I can charge the Iphone 8 with the same charger, but I use it mainly at night when placing the phone on the stand. It's too slow still. I definitely missed my OP5T charging speed when switching to Samsung, I literary changed charging habits with DASH
- micro-sd slot - never used it. I find popping out the tray to be an overkill. With cloud I don't see the point transferring videos (those are the storage eaters) over cable anymore. Or files for that mater. I use solid explorer and do my transfers via FTP server on my home wi-fi
- headphone jack - I guess I've used it only once. I find wired stuff cumbersome honestly and sacrificed some quality for comfort, even for home speakers. I listen to music everyday and it's nice to have two devices connect to the same headphones over BT
There's more to be discussed here, but you should really take a close look to your lifestyle, how your day goes by and match each device to that. You will certainly get your answer
OP7 PRO support HDMI or not like Samsung DEX ? If support i will buy one for sure couse will be best phone for me
I can not stand Samsung Bloatware, want Gmail does not matter here is Samsung Mail which you can not delete, want Chrome here is our Samsung browser, want Google Pay..... "Samsung Pay" .... etc.....
You will get Android 10, 2020 if you are lucky
And Samsung is still more expensive
Again it's personal preference.. I owned two oneplus devices before jumping to s10 plus..
Why samsung -
Features filled.
Water and dust proof
Not sure about custom roms support as I saw s9 and s8 has a tons of roms.. U have two options for roms one is oem rom another is aosp.. So when ur bored u can switch.
Headphone jack - Bluetooth doesn't support u always, the real master is headphone jack.
Better customer service world wide support.
Why oneplus
Strong dev support.. Still own 3T with rom support even after 3 years. Also the oneplus pushes updates till date.
Pricing - U get premium device for good deal..
Service center needs to be increased.
I'm really liking the new OnePlus 7 Pro, but I heard from the reviewers that with 90hz on, ur battery life won't last through a day. That refresh is one of the reasons I ant to buy the device. Been using 144hz monitor, so using phone with 60hz is not the best experience. I hope there will be more after market battery case, the current one for Oneplus device looks horrible. Custom is definitely a plus. To be honest the only reason for me to get s 10 or note 10 is good custom rom support, but right now, OnePlus 7 Pro looks so good to pass. With the cameras, I have to say still no where close to the pixel, but hope there will be a gcam version for it.
I have been using my op7p for a week now. Comparing to my gf s10 plus, I have to say the screen on the s10 plus is way over the 7pro, except the 90hz. Indoor usage, the brightness level for both phone is about the same; however, when it comes to using the phone under direct sunlight, the 7p falls behind. That the only thing I hope OnePlus will improve and the camera....., even my note 5 at max brightness is still usable under sun light. Everything else is great on the 7p. So worth it.
I still have both.
The ceramic S10 feels nicer in the hand and is noticeably easier to one-hand.
Always on display and wireless charging are big plusses
Both screens are great but if you pushed me I'd give the advantage to the Samsung.
I way prefer oxygen os over one UI, and there is a degree of comfort knowing you get the updates quicker, OP are very active in this regard
The OP7 pro is faster across the board at pretty much everything.
I find I get better and more reliable 4g and wifi performance on the OP. Starting to think my S10+ (exynos) may have something wrong with the radios.
YMMV
Sent from my GM1913 using Tapatalk
I got rid of the OnePlus 7 Pro after 7 days of usage:
1. 90hz RR just disappears at most usages(there is a workaround using adb to enable 90 Hz RR but keeping at a fixed 90 Hz further dents on battery life).
2. The curves are rather deep (reminded me the curves of Galaxy s6 edge, s7 edge, s8+ that I didn't like)- my earlier Note 9 and current s10+'s less curvy & squarish design feel better to avoid accidental touches(& typing letters p, q, etc.) and reflection under artificial lighting conditions.
-3. Under sunlight, the s10+'s screen is way more legible. It's occasional to have such usage, but when it does , it does matter.
4. Like the notchless display, but at the cost of a pop-up camera that accumulates dust and debris in the compartment- that doesn't retract entirely by the time it touches ground dropping from a weist height/table is not something I appreciate.
5. It's heavy and big ,becomes uncomforfortable for my liking to talk for longer period of time. I was not happy with the weight of 512 gigs S10+ especially when talking for an hour or so daily, hence swapped to a 128 gigs version(175gms) that feels just right. At 206 gms+the weight of a case, I found the 7 Pro way more uncomfortable to use in 1 week of my of usage.
6. No IP rating counts. No company offers warranty for liquid damaged units even with IP rating but they do so bcoz they do not know how long the user kept in water- for 30 mins, 30 hours or for days, for 1 meter deep, 2 meters or was in salt water... But with an official IP rating it's a peace of mind. You can dunk a certified IP67/68 rated smartphone in a swimming pool without thinking twice but you can't with the 7 Pro with a fear of damaging it. For light rain or splash- 7 Pro is fine, so does most of the non-IP certified smartphones now a days with zero advertising of "bucket-test" by the manufacturer itself.I do not like a smartphone that often accumulates dust. To users like me, ingress protection matters.
7. Why have a glass back on when no wireless charging ? Probably even OnePlus does not know.
8. OOS 9.5.7 improved the camera but it still has focusing issues in low light and macro, and wide angle cam can't be used for video yet- These are nitpicky and might get resolved with future updates.
(OOS 9.5.8 is out but I couldn't get the chance to check it).
Overall the 7 Pro failed to impress me to be my daily driver even after having some strong "+ve" sides.
Virgo_Guy said:
I got rid of the OnePlus 7 Pro after 7 days of usage:
1. 90hz RR just disappears at most usages(there is a workaround using adb to enable 90 Hz RR but keeping at a fixed 90 Hz further dents on battery life).
2. The curves are rather deep (reminded me the curves of Galaxy s6 edge, s7 edge, s8+ that I didn't like)- my earlier Note 9 and current s10+'s less curvy & squarish design feel better to avoid accidental touches(& typing letters p, q, etc.) and reflection under artificial lighting conditions.
-3. Under sunlight, the s10+'s screen is way more legible. It's occasional to have such usage, but when it does , it does matter.
4. Like the notchless display, but at the cost of a pop-up camera that accumulates dust and debris in the compartment- that doesn't retract entirely by the time it touches ground dropping from a weist height/table is not something I appreciate.
5. It's heavy and big ,becomes uncomforfortable for my liking to talk for longer period of time. I was not happy with the weight of 512 gigs S10+ especially when talking for an hour or so daily, hence swapped to a 128 gigs version(175gms) that feels just right. At 206 gms+the weight of a case, I found the 7 Pro way more uncomfortable to use in 1 week of my of usage.
6. No IP rating counts. No company offers warranty for liquid damaged units even with IP rating but they do so bcoz they do not know how long the user kept in water- for 30 mins, 30 hours or for days, for 1 meter deep, 2 meters or was in salt water... But with an official IP rating it's a peace of mind. You can dunk a certified IP67/68 rated smartphone in a swimming pool without thinking twice but you can't with the 7 Pro with a fear of damaging it. For light rain or splash- 7 Pro is fine, so does most of the non-IP certified smartphones now a days with zero advertising of "bucket-test" by the manufacturer itself.I do not like a smartphone that often accumulates dust. To users like me, ingress protection matters.
7. Why have a glass back on when no wireless charging ? Probably even OnePlus does not know.
8. OOS 9.5.7 improved the camera but it still has focusing issues in low light and macro, and wide angle cam can't be used for video yet- These are nitpicky and might get resolved with future updates.
(OOS 9.5.8 is out but I couldn't get the chance to check it).
Overall the 7 Pro failed to impress me to be my daily driver even after having some strong "+ve" sides.
Click to expand...
Click to collapse
First world problems lol. Most of your cons are personal preference and also based on aesthetics. Only thing i can agree with slightly is the wireless charging. It wouldn't make sense to get wireless charging that gets you full battery in 2.5 or 3 hours over warp charge in an hour or less(?). Camera is OK, i'll take the 7 pro over the overly done beauty shot in selfie mode and over saturation on the s10. There also has been tests to see if the 7 Pro is water resistant, plenty of videos on youtube and insurance is optional on the phone which do cover drops, spills and cracks. Heaviness of the phone... i like it, better than the lightweight of the s10. Maybe the next one will impress ya.
Don't really care about the weight ? I need more battery, so I ordered a battery case to run 90hz full time. You can tweak it. The rest really depends on your need and personal references.
zlinhz said:
Don't really care about the weight ? I need more battery, so I ordered a battery case to run 90hz full time. You can tweak it. The rest really depends on your need and personal references.
Click to expand...
Click to collapse
Pro Weight lifter. Talk sometimes.
zlinhz said:
Don't really care about the weight I need more battery, so I ordered a battery case to run 90hz full time. You can tweak it. The rest really depends on your need and personal references.
Click to expand...
Click to collapse
One can easily find an international Samsung Galaxy S10+ within 50-60 dollars price difference. When you compare side-by-side (features, specifications, and aesthetics), S10+ beats OP7 Pro hands down. The biggest strength of OP branding was to provide customers speed at a reasonable price. With negligible price difference why would you even buy OP7 Pro?
Oh, did I mention the almost useless OP customer service? I could not get my OP6T repaired through OP d/t horrible customer service. I am a firm believer you get what you pay for.
If the OP7 Pro price was capped under $600, then the value proposition would have given OP7 an advantage. Again, just my personal opinion, your mileage may vary.
Gr8man001 said:
One can easily find an international Samsung Galaxy S10+ within 50-60 dollars price difference. When you compare side-by-side (features, specifications, and aesthetics), S10+ beats OP7 Pro hands down. The biggest strength of OP branding was to provide customers speed at a reasonable price. With negligible price difference why would you even buy OP7 Pro?
Oh, did I mention the almost useless OP customer service? I could not get my OP6T repaired through OP d/t horrible customer service. I am a firm believer you get what you pay for.
If the OP7 Pro price was capped under $600, then the value proposition would have given OP7 an advantage. Again, just my personal opinion, your mileage may vary.
Click to expand...
Click to collapse
Where I live the s10 plus is about the same price as the 12gb model op7p. I used student discount to buy the op7p so it is cheaper. Both are new and unclocked, but you get more ram storage higher refresh rate with the 7. The software is also better on the 7. Everytime I use a Samsung device, I have to flash custom rom to get the most out of it. Sometime, developer abandoned the project and the rom never get updated. The s10 plus beats the 7 outdoor visibility which I really wish the op7p would get to 1000 nits and the camera (opinion), depends on what you prefer. Samsung used to be great, beefy spec, newest technology, but they rather selling components to other companies to make more money than use it for their own products. If the note 10 comes with 90hz or higher, I would drop my money for it, but we all know too well that it won't. The question I asked before buying is why would I get 60hz? When the 90hz is way better. It's night and day difference.
I traded my 512gb S10 plus for the 12/256GB oneplus 7 pro and I think both phones are great. I think the only thing the s10 did better was to quickly adjust to the surrounding light. I often find myself adjusting the brightness level of my OP7P as it is often too dim and too slow to ramp up the nits. Other than that I'm quite happy with it. Until the Note 10 pro that is?
Sent from my OnePlus GM1910 using XDA Labs
LostMyMarbles said:
First world problems lol. Most of your cons are personal preference and also based on aesthetics. Only thing i can agree with slightly is the wireless charging. It wouldn't make sense to get wireless charging that gets you full battery in 2.5 or 3 hours over warp charge in an hour or less(?). Camera is OK, i'll take the 7 pro over the overly done beauty shot in selfie mode and over saturation on the s10. There also has been tests to see if the 7 Pro is water resistant, plenty of videos on youtube and insurance is optional on the phone which do cover drops, spills and cracks. Heaviness of the phone... i like it, better than the lightweight of the s10. Maybe the next one will impress ya.
Click to expand...
Click to collapse
Fast charging and wireless charging have nothing to do with one another, lol. The convenience if wireless charging is not having to plus something in. So much nicer to just set something down and let it charge. It's not meant to be a fast wireless charger. If u wanted to charge faster, I'd plug it in, lol. Like the Huawei. It's got wireless charging and fast wired. Two separate solutions for two separate problems. One doesn't trump the other. The Galaxy phones have a quick wired charging so it's not super slow if you needed some juice. But the OnePlus has NO (zilch, zero, nada) option for wireless charging.
I immediately eliminate any phone with a notch from my list. I thought thanks to new hole in display Samsung phones I would keep my note 9 until they release phones without which may not be for another 2 years. No thanks to 7 pro with its 6.7 inch no notch display I got the upgrade itch. Why anybody would buy a notched phone is beyond me. What a stupid idea. Imagine your TV having a notch . 7 pro out selling s10 in China and people have spoken.
Despite the speed of the processor and the fluidity of the 90 hz display, the 6GB OnePlus 7 Pro retains the same disastrous problem from it's predecessor - pathetic RAM management. The stock phone app hangs! Other apps hang too, but the hung phone app on a Rs.49,000 phone is unacceptable under any yardstick or scale.
Summary: A high end phone with a hung phone app is what the latest 6GB model of OnePlus 7 Pro is. None of the PVR cinema ads or online hype makes no mention of the reality that it cannot meet the bare minimum requirement of a smartphone - a working stock phone application. That's all this review is all about. If you don't have time, you can leave it here.
If you want the numbers continue reading. 85% of RAM is always used up, that is without opening a single RAM heavy app. Spoke to Amazon tech support and OnePlus support. All they could do is show me where to find the list of apps consuming the memory (which show average memory use over a period of time, not live data). I had to uninstall many essential apps (none of them are games or have heavy graphics) significantly reducing the value of my OnePlus device. Wonder why they don't show the live data? the RAM management that's shockingly bad. Installed 2 professional diagnostic tools to check (one of them advised by Amazon tech support) and the RAM used under below average load conditions was 85% (after uninstalling RAM heavy apps.) This probably has to do with overclocked processing. Flightradar24 is an app I cannot do without, as a frequent flyer. It's RAM heavy according to OnePlus. I now run it on a cheap backup from Xioami phone (which by the way costs 1/10 that of the OnePlus 7 Pro). Same with Uber, bank apps and financial market tracker apps, which did not have any problems running on my previous device - Samsung S10 plus. I gave it away. At least it was far lighter and reliable than OnePlus. Oh OnePlus has a fancy 90Hz display and fast fingerprint reader, the effects of which wear off in the 1st week of use. When reality dawns, half a lakh of cash is gone. The display or fingerprint reader cannot compensate for a hung phone app.
The conclusion is - the phone like a caged lion, struggles within the bars of it's limited RAM. It gives off the sensation of unreliability. The slippery smooth glass combined with the tablet-heavy phone reduces reliability further. It requires a minimum of 8GB, if not more in the long run.
The worse part is Oneplus cannot do anything. And Amazon cannot replace is as the stock apps getting stuck on account of insufficient RAM is a technical issue and not one that warrants a replacement of device. Again, OnePlus is not Samsung. BEWARE.
Batterylife? Forget 90 hz Even when kept at 60 hz fulltime it's lower than the exynos model of samsung gs10 plus. This is a fact, I KNOW because just before this Oneplus I used gs10 plus for three months in a raw.
Lemme tell about outdoor visibility :-- It plain SUCKS. Due to my job commitment I stay outdoors many a times. And I end up finding shades to see what's in the screen LMAO. It's 2019 for God's sake Oneplus. Poor minimal nits was intentional to keep batterylife in control is what oneplus did with the best of my thinking. No option to choose 90 hz in settings as it would eat up battery like an elephant drinking water. Oneplus already clarified that. More bigger battery means more height,width,length and weight than that it already is, so didn't. Very nice move.
The oneplus has a specific audience =>> college/highschool going students who love consuming media non- stop and happy playing PUBG and other games, keep in watching movies, browse social media, comment, recharge and repeat. Definitely does not look like made this keeping corporates in mind. I'm repenting for not doing enough research before buying this. Learnt a lesson and selling this in OLX. Forgive me who have read this far but did not like it at all for me not at all knowing how fast, no notch , yada yada great of a phone this oneplus is.
I had to decide between the s10+ and 7 pro as the 10+ was just 25$ more. I chose 7 pro because it was impossible for me to cope with the pill, I find it worse than a notch just because it has screen between it and the frame making it feel like a part of the image(an ugly part especially because the sky sits there if you watch stuff on it...)
Got a chance to own both devices (actually S10+, P30 Pro and OP7 Pro)
Oneplus 7 Pro (overall)
1. 90hz + QHD + Amoled display is the icing on the cake here.
2. The warp charging will definitely makes you think of choosing OP over S10 all day.
3. Superb gaming experience.
4. Battery life still good if not the best among flagship phones available today, I'm seriously getting 7hrs SOT with 90hz and QHD settings and that's more than enough for me given the fact that I can warp charge my 7 pro.
5. Completely full display (notchless/ no pinhole design).
S10 plus
1. Display brightness
2. Lightweight and easy to hold with one (1) hand.
3. Ip68 rating (its good to have this on the next oneplus)
4. 3.5mm jack
5. OneUI customization
6. Wireless charging is good to have but it's no use for me.
If I were to choose:
1. P30 Pro on top (very slight edge over the Oneplus 7 Pro)
2. Oneplus 7 pro
3. S10 plus

Question Warm Color Temperature Display Issue.

Hello !! Just bought this tablet and I already noticed that the display is noticeably warmer in color than usual displays. (SM-T733, Wi-Fi Only model).
I already got my unit replaced (official service center reported a factory defect), but the new replacement model still has a noticeably warm display (a bit less than the original unit I got).
The store model (LTE model) and the Wi-Fi only model has a significant difference in their color temperature when compared side-by-side.
The official reason that the store claims is that the 2 models have different chipsets, ergo different GPUs.
Does anybody else have encountered the same problem?
Does anyone have any fixes for this issue?
I read around and others have said that rooting my device and installing KCal Support and Ex Kernel and changing the display parameters can fix this issue. Do you think it's a good idea?
Hi,
I've got the same issue.
Hope Samsung will let us to change colours settings in One UI 5 !
I have noticed the same. It doesn't bother me at all and I think Samsung does that to protect eyes. I have noticed the warm screen calibration on other Samsung devices as well. For example when i compare my Galaxy S10 to my S8 or S7 it becomes obvious. I think its a special layer or some filter in the Display. I wouldn't worry about it too much and if you have to have a a good color calibration for color grading or something like that then a tablet might not be ur first pick.

General XDA Article: The Google Pixel 7 Pro might have a big display problem

The Google Pixel 7 Pro might have a big display problem
The Google Pixel 7 Pro might have a pretty big display problem, and one that you won't notice until it's sunny. Read on to find out more.
www.xda-developers.com
My commentary: I'm not too worried about the high wattage at high display brightness. In the short term, I'm more worried about the fact that when you turn the screen off, you can still accidentally launch apps in the small amount of time before it's properly locked. For years, I've always set the lockscreen setting to lock immediately instead of the default 5 seconds when I press the power button, so I don't know if the default setting might be a factor here, but I'm sure this will be fixed in software before very long.
October 13, 2022 8:00am Comment Adam Conway
The Google Pixel 7 Pro might have a big display problem​The Google Pixel 7 series was released recently, and we’ve been spending a lot of time with both the Pro and the non-Pro. We’ve been loving the cameras, the software, and even the upgraded display. However, as it turns out, the display is a battery killer when used at higher brightness — much more of a battery killer than we’ve seen on pretty much any other flagship device.
I’ve been using the Pixel 7 Pro a lot since Monday, and I noticed that the battery life is much improved over the Google Pixel 6 Pro… until I step outside. I went out for coffee yesterday morning, and I was sitting at nearly three hours of screen on time at 50%. By all accounts, that’s really good battery life. However, stepping outside and using my phone while walking immediately dropped the battery life by about 10% in fifteen minutes. It quickly clicked with me that my brightness had been higher as I had been outside. I asked other members of the team, and Daniel Bader, Valnet’s Technical Brands Lead, mentioned that he had experienced the same.
The thing is, obviously using a display outside will draw more power. The problem is that the power draw seems really disproportionate. I spoke to other members of the XDA family and collected readings from their devices, and it seems that the Google Pixel 7 Pro might have a pretty big display problem. I investigated this with some help from XDA’s display analyst, Dylan Raga, and we’re using measurements from the Pixel 6 Pro and the Galaxy S22 Plus for building context around the Pixel 7 Pro’s extraordinary behavior.
What’s happening with the Pixel 7 Pro’s display?​At 600 nits, all four of our Google Pixel 7 Pro devices are topping out between 3.5W and 4W. It gets even worse though: with maximum brightness (the Google Pixel 7 Pro is rated up to 1500 nits, and I triggered high-brightness mode), its power consumption shoots up to 6W. These display luminance ratings are usually measuring peak brightness at 1% APL — or in other words, a tiny portion of the screen lighting up. High brightness mode should be jumping to 1000 nits across the entire panel when a white screen is displayed (100% APL), and it does look to be about that.
For reference, the Samsung Galaxy S22 Ultra would use about 2W at 600 nits, and 4W at about 1000. Dylan Raga told me that the numbers that I collected show that the Pixel 7 Pro display uses about 50% more power than the Samsung Galaxy S22 Ultra and the Samsung Galaxy S22 Plus comparatively.
We have taken power readings in our display reviews of both the Samsung Galaxy S22 Plus and the Google Pixel 6 Pro. The Samsung Galaxy S22 Plus seems to drain up to 4.5W at 1100 nits, a fairly respectable figure. In contrast, the Google Pixel 6 Pro hits 4W at just shy of 800 nits. Dylan pointed out to me that if you were to extend his Google Pixel 6 Pro display power consumption graph in the same direction that it was already going, you would basically cross over the same values that we’re experiencing on the Google Pixel 7 Pro. This is indicative of a larger problem that Google has had in the past with its panels, and the Google Pixel 7 Pro appears to have only made the situation worse.
I spoke to Ben Sin, Daniel Bader, and Manuel Vonau of Android Police — three people who have Google Pixel 7 Pro units that are sourced from PR in different regions of the world. I sent all three of them instructions on how to measure that power usage from the display at maximum brightness. All of their values were roughly in line with mine. In the table below, you can see how the Google Pixel 7 Pro stacks up against the Samsung Galaxy S22 Plus and the Google Pixel 6 Pro.
Power ConsumptionGoogle Pixel 6 ProGoogle Pixel 7 ProSamsung Galaxy S22 Plus600 Nits at 100% APL2.9W3.5W-4W2W800 Nits at 100% APL4W––1000 Nits at 100% APL–6W4W
How bad is the Google Pixel 7 Pro’s display power draw?​To contextualize the problem, the Google Pixel 7 Pro’s Tensor G2 likely has a TDP of around 10-12W. We haven’t completed our testing yet, but this means that the display alone at full manual brightness is likely using just a bit less than half of the chipset’s maximum power. In high-brightness mode while playing an intensive game, it’s feasible that you could be drawing up to 18W of battery at any given time. That would kill any smartphone battery in just under three hours, and that’s only the display and the chipset. Your phone has other components, too, so expect to stick to the wall sooner if you are using the Pixel 7 Pro with high brightness than you would be doing so on a competing device under the same conditions.
What can Google do to fix this?​It’s hard to say at this preliminary stage. We’ve tested this across multiple devices and spotted the same power draw across all of them. For what it’s worth, we also took readings on two Google Pixel 7 devices and it looks a lot more normal, so this seems to be an issue that may be exclusive to the Pro. It’s unclear if Google will be able to make the panel more efficient with a software update, though I suspect it won’t be able to. Still, that’s why we’re saying it “might” have a big display problem — Google could end up fixing it. Whether it’s a hardware or software problem is all up in the air currently — all we know is that there is a problem.
For what it’s worth, at lower brightness, the Pixel 7 Pro display functions closer to expectations. Dylan noted that the power values I collected for using the display at its lowest brightness are still on the high side, with it draining roughly 0.7W. Still, it’s a lot more manageable than touching off of 6W. If you’re on the fence about a Google Pixel 7 Pro, we’d recommend waiting to see what comes of this. The Google Pixel 7 also doesn’t appear to have the same issues, which may make it a better choice for people who spend a lot of time outdoors, in sunny environments, or just like having their display brightness high.
We’ve reached out to Google for comment, and we’ll be sure to update this article if we hear back.
Google’s Pixel 7 Pro has other display problems, too​It’s not just the display power draw either. GSMArena’s Prasad Naik pointed out on Twitter that the display remains active for a small period of time even after turning it off.
I have noticed the same problem on my unit as well, and it was only when I saw this Tweet did I realise that it was the cause. A few times now I’ve been listening to music, using my phone, turned off the screen, and turned it around to put it in my pocket. I’ve skipped tracks a few times this way and it was incredibly frustrating, but I assumed it was just me doing something wrong. However, I’ve verified that I have the same problem and the display is staying on for roughly a second after I turn off the screen.
It’s unclear at this time whether or not this is a bug or if this can be fixed by disabling any particular settings. We’ll be sure to update this article if we hear more.
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Things like this and the mobile network bug concern me a bit. How were neither identified in testing? The mobile network bug appears to be at least sporadic and fixable by software so fine. But this appears to be widespread across all four of their devices. Does nobody testing these devices at Google use them outside lol
Same cr**, different year.
Even Apple has big bugs in their new phones.
roirraW edor ehT said:
Even Apple has big bugs in their new phones.
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P6P had this and was never "fixed".
Batfink33 said:
P6P had this and was never "fixed".
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My wife and I never had any issues at all with our Pixel 6 Pros, including the fingerprint reader. We had ours since late October or early November last year.
roirraW edor ehT said:
My wife and I never had any issues at all with our Pixel 6 Pros, including the fingerprint reader. We had ours since late October or early November last year.
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The 6Pro had a power hungry inefficient display, there's an article on Anandtech about it (if you want to search). The 7Pro still uses an LTPO 1.0 display so I imagine it's still pretty inefficient and power hungry.
Batfink33 said:
The 6Pro had a power hungry inefficient display, there's an article on Anandtech about it (if you want to search). The 7Pro still uses an LTPO 1.0 display so I imagine it's still pretty inefficient and power hungry.
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I believe you. Still, I only kept my Pixel 6 Pro charged between 25 and 75%, except on very rare occasions did I go lower or higher, and that 50% range still lasted me about 1 day of use, which is about how long my previous phones lasted me when kept in that range.
The title of this article seems pretty click bait-y to me.
Looks like the P7P’s brightness is lower than P6P’s. What a let down
Ghisy said:
The title of this article seems pretty click bait-y to me.
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The research is done by XDA, not clickbait at all.
hello00 said:
Looks like the P7P’s brightness is lower than P6P’s. What a let down
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Are they using an inferior panel this year or artificially lowering it(maybe because of heat).
Batfink33 said:
The research is done by XDA, not clickbait at all.
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I said "seems", I didn't mean it 100% is.
I wonder: if you keep your display around 60/70% brightness, does it trigger the high power consumption?
Ghisy said:
I said "seems", I didn't mean it 100% is.
I wonder: if you keep your display around 60/70% brightness, does it trigger the high power consumption?
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Needs more investigation I think. I'm sure Anandtech will do an in depth like they did last year.
Got a 7 Pro being delivered on Monday. Will hate to have to send it back because using it outside in reasonable brightness tanks the battery life. If it does have such an issue, the suspicion it can't be fixed by an update is pretty depressing.
This could explain the mixed reviews I've seen in terms of battery life, some saying it's toilet, whilst others say it's fantastic and they end the day after 6 hours SOT with 30%.
The Pixel 7 Pro runs into crucial display issues early on
Recieved mine today. Have not been able to replicate the ghost tap. Havent really been outside so cant comment on the brightness issue.
Batfink33 said:
Needs more investigation I think. I'm sure Anandtech will do an in depth like they did last year.
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Unfortunately I do not think so. Andrei Frumusanu has left Anandtech almost a year ago and he was the main smart phone reviewer after Brian Klug left. With Anand lal Shimpi and Brian Klug (both went to Google) having left years ago and Dr Ian Cutress having left earlier this year (Ian Cutress did one smart phone overview this year) when it comes to in depth smart phone reviews (which no other site remotely approached) there really does not appear to be another source. Unfortunate.
Nestacres76 said:
Recieved mine today. Have not been able to replicate the ghost tap. Havent really been outside so cant comment on the brightness issue.
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You don't really need to be outside, you can manually increase the brightness to between 80% and 100% and see if it has a disproportionate effect on battery drain.
btw, the "starting apps while locking bug" doesn't happen here when using nova launchers double tap gesture for locking the device. maybe an other app with the same function can evade this problem too?
but when using power button it's replicable here too.

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