Wi-Fi poor reception - Nexus 5 Q&A, Help & Troubleshooting

So my Nexus gets very poor reception. And I've seen some other reports, but I think this problem is also responsible for all the people complaining of inconsistent connections and drops as well as bad battery.
When the signal is less than -90dBm the phone drops connection, so because the reception is poor this happens A LOT. When laying the phone on the router, I only get -40dBm, and 2 feet away -75dBm. 20 away it hovers high -80's or worse.
Also the bad battery because the dropped connections lead to scanning and scanning leads to battery drain. In my bedroom, where I have bad reception, my battery drained completely from full over night, but when left down stairs near the router I just only 10%.
And I know it's not the router because when comparing with my Galaxy Note 8 tablet I'll get -56dBm in my bedroom compared to -87dBm with the Nexus.
Sent from my Nexus 5 using xda app-developers app

So look at Dominion SSID...
The first 2 pics are from the Nexus and GNote respectively. Dominion and Dominion2wire SSIDs are about 20dBm stronger on the GNote, and you'll notice the GNote gets far more SSIDs in the scan.
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Second 2 pics show a range extender for Dominion I have setup upstairs in the next room. The Nexus only sees the Extender, not the downstairs signal. GNote sees both and sees the extender very well. Almost 30dBm stronger in this picture.

Have you rooted and/or flashed a ROM on your Nexus 5?
If not, you might want to try that, go into recovery, then wipe your data and fix permissions. Not to sure what's happening with your device, but it's worked for me when I've had similar issues with other devices.

Related

iPhone WiFi vs. WM

Hi All,
A friend of mine got himself a iPhone.
Without customs builds, SDKs, etc... I still think the home
cooked builds for WM are much better.
One thing I envy is that apparently his WiFi is alway on.
Having that on it connects to all the networks it can
saving/speeding lots of data for professional use of
a mobile device (I use it as my mobile office).
What is most desirable is that his battery doesnt
seem to run out any more faster.
I tried to use once with my WM and my device asked for
more juice in 3 hours.
Is there a driver / app that can use the wifi hardware as iPhone does ??
some kind of passive WiFi mode ???
Cheers,
Smartin
iPHONE
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I also have a friend with an iPhone right here with me and his does not stay connetcted when the phone is put to sleep mode, well it will stay connected for 30 seconds and then shut down. I verified this by pinging his phone from my PC, after 30 seconds of sleep - no answer and my router lost it from its lists of clients. BUT it was wery quick to aquire the signal after waking up. I then set the IP lease to 3 minutes and put the iPhone to sleep for 5 minutes just to be sure and then it took the usual 5-7 seconds to aquire IP again so it seems to me its using som kind of quick connect settings as long as the lease doesn´t expire.

GPS FIX Samsung G SIII

100% functioning
As with practically any other device, the Samsung Galaxy S3 has its fair share of complaints. Some have workarounds, some can be solved with mods or apps, and some seem to have no fix at all.
One common issue on the GS3 is that the GPS won't seem to work at all, refuses to lock onto any satellites, or frequently loses the connection, making it pretty much useless. But there does seem to be a quick (and somewhat unthinkable) solution to this—tightening a few screws.
You don't even have to take the battery out for this!
Just pop off the back cover on your GS3 using a flat head screwdriver, spudger, or your fingernail. Around the phone's edges, there are 10 screws. Use a small Phillips screwdriver to tighten them as much as you can.
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Once you're finished, put the back cover back on and try out your GPS again. You should be able to get a lock on more satellites along with faster navigation and less signal dropping.
If you start to notice issues again, just retighten the screws, just like you would for that wobbly dining room table that always needs retightened.
It may be annoying, but it's free and a lot quicker than getting a new phone. And this should be your first DIY fix tried before resulting to installing new ROMs, flashing back to stock, trying aGPS patches, editing your gps.conf file, uninstalling/reinstalling Maps, etc.
Did this trick work for you? Let us know in the comments below.
Got wonky working Wi-Fi on your GS3? Try out this trick for getting a better signal.
Umm, you're about 4 days late on this one. There is already a thread announcing this fix:
http://forum.xda-developers.com/showthread.php?t=2201668

EXTREME battery drain when searching for network

I've had the phone for just over a day now and the battery life has been fantastic when outside where I have great coverage. However, for the past couple of hours I have been studying in the basement of the library at my college and I noticed that my battery drains around 20-25% per hour (not a typo) when my phone is not attached to AT&T's network, and it is searching for a network. The only application that I have that accesses data when the screen is off is Google Now, and even that has location settings turned off.
It appears that Google Now will constantly try an access a data network even if you are in an area with no coverage at all. My Galaxy S3 did not have this issue. The phone would simply stop accessing data after a short period of time if it could not attach to a data network.
Anyone else have this issue? I have had to turn data off and it seems to have fixed the issue. My phone is no longer using any battery idly.
You can see what I am talking about in this picture
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Sent from my Nexus 5 using Tapatalk 2
ComradeNF said:
You can see what I am talking about in this picture
Sent from my Nexus 5 using Tapatalk 2
Click to expand...
Click to collapse
Does that drain persist after a reboot? My phone started chewing through battery for no reason at about 35 hours of uptime.
From what I experienced on my S3 and also the N5, whenever I go to school, I'd have to turn off my data because my coverage sucks there. However, if I leave the data on, it begins to roam/search for 3G signal and will eventually drain my battery. What you're experiencing seems normal to me. Just turn off your data and hop onto the WI-FI connection to conserve your battery. Seems to do the trick for me all the time.

Wifi issues / problems - Honor H60-L12 Are they fixed yet with Lollipop? ROM?

I am about to buy this phone but my research shows this phone as MAJOR wifi issues. I have seen quite a few threads on XDA showing users experience slowdown when also using Bluetooth and wifi.
Has this issue been fixed yet with ANY rom update? or is it a chipset issue and will never be fixed?
Review showing Wifi issues:
http://www.anandtech.com/show/8425/huawei-honor-6-review/9
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I own mine for a year already and have never encountered any kind of wifi issues or slowdowns. In fact, I've been amazed with the signal strength over all places in my house. ****, the wifi even works in the attic with the router in the basement (the building's got 2 floors between these). When it comes to speed, I can't really tell as I've only got 10 Mbps download speed at my provider and the phone successfully uses it all.
Same for me, no problems whatsoever
Sent from my H60-L02 using Tapatalk
That being said, I just tried "benchmarking" the wifi signal and having the phone centimeters next to the router it would only go up to 38 Mbps while on a Jiayu S3 it was around 110 Mbps in the same place. When I came back to my room on the first floor, it would read anywhere between 5 and 15 Mbps. Covering the top part of the device actually made it lose almost all of the signal and the speed would stay at 1 Mbps. See the images for further info:
Note: I haven't tested it on lollipop yet so can't say if it's been fixed.

Frequent GPS signal loss

Hey guys, I recently got a brand new HTC U11 , and everything was perfect with the phone until I had to use the GPS navigation.
Even on a clear day with no clouds in the sky, phone stuck to the car windshield and screen always on, the GPS signal will get lost very frequently, like every 10 minutes, and some times it won´t recover until a reboot.
I don´t think it is a case of poor signal, because using a GPS diagnostic app I can see that it is connected to at least 15 sats, and then when it loses signal, it loses all satellites, so it seems to me that GPS location is getting somehow disabled from time to time.
Could anyone point me out to a possible solution?
Maybe the Boost+ is the culprit?
You have to take into consideration that in the last several weeks we have had several geomagnetic storm courtesy of the Sun. When the Sun produces a CME (Coronal Mass Ejection), or sunspots develop they will have an effect on satellite communications. The RF output of GPS sat's is very small by time the signal makes it to the planets surface so any disruption in the upper atmosphere will have a negative effect on our GPS's.
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Wow, I had no idea about that.
But anyway, as I described, it seems to me that this is more like the GPS was turned of, maybe by some power optimizer or something?
In fact, I have an external bluetooth GPS, and when I use it, I get no GPS signal loss at all.
Sounds more like a hardware issue to me.
The battery opimization wouldn't kill GPS in an active foreground app.
Actually batttery optimation just kills inactive apps, services.
A 3rd party app could just turn GPS off, when it has root rights.

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