OTA Update and Battery Life - Verizon HTC One (M8)

I thought I'd share my experience in case it helps somebody else out.
When I first bought my phone, it had absolutely stellar battery life. I was able to get over 4 hours of screen time with %20 still remaining. Last Friday (4/18), I took the Verizon OTA update and everything seemed to go perfectly fine.
I am bone stock, s-on, no root...haven't even attempted the s-off.....yet.
Over the weekend I noticed horrible battery life. I was only able to achieve around 2 hours of screen time and even idle seemed to sap it much more quickly than before. I went through several reboots without a difference.
So, Monday night, I thought...hmmm...well fastboot still keeps some things hanging around in order to boot more quickly. So I went into the Power settings, unchecked the fastboot box, performed a power down, let it sit for 30 seconds, powered on and charged it over night.
Lo and behold, my original battery performance is back.
Best of luck.

I turned off fast boot and it fixed a few things. I also Greenified FB and FB messenger. My battery life tripled. Lol. Was craps before.
Sent from my HTC6525LVW

1ManWolfePack said:
I turned off fast boot and it fixed a few things. I also Greenified FB and FB messenger. My battery life tripled. Lol. Was craps before.
Sent from my HTC6525LVW
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Is your battery life still good after a few days? The fasboot being enabled was the only issue causing the drain?

Well, the fastboot doesn't cause the drain. Fastboot keeps some things cached so you can reboot faster. Unchecking it allows a more complete restart. I haven't rebooted ever since that first reboot with fastboot unchecked. It's still running great!
Sent from my gunmetal grey M8!

I was getting horrible battery life after the OTA update
But at the same time I had just rooted and was messing with a bunch of sys files using titanium backup, so not sure if something I did along those lines was effecting battery performance.
I couldn't get through 12 hours of mostly idle time without needing a recharge- so I ended up resetting my phone back to factory and and now I get amazing battery life again

1ManWolfePack said:
I turned off fast boot and it fixed a few things. I also Greenified FB and FB messenger. My battery life tripled. Lol. Was craps before.
Sent from my HTC6525LVW
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if you greenify FB and FB messenger, doesnt that mean you wont get facebook messeges / notifications when they are sent ?

Battery life is issue since smartphones have been released. I'm used to it. What I do? If you think the great look and feel of the HTC One M8 are worth a slight stamina sacrifice, consider carrying around an external battery unit for emergencies. You can find little portable chargers on eBay.

Related

Strange battery issue...

So I get home from work this morning, pull my Inspire out of my pocket, and it's dead; no lock screen when I push the top button, nothing but black screen. Kinda strange, since I had just been using the phone a few minutes before while I ate breakfast before a 5 min drive home; it still had 22% charge right before I left. I put it on the charger.... nothing. Black screen, no amber light. I let it sit for about 15 minutes, still nothing. I drop it back in my pocket and put my shoes back on, about to head back out to the AT&T Store to exchange it, when I hear R2D2 in my pocket (I'm running LeeDoids ROM). Sure enough, it's booting.... wtf?
It's plugged up and charging right now, which kinda sucks in a way, because I was looking forward to exchanging it for a new one; my battery life sucks in it, worse than it should as far as I can tell with reading up on all the threads here. I'm trying to be very conservative with the settings lately in an effort to stretch battery life, with limited results. I've turned off auto-sync, installed Juice Defender, I turn off the wifi & bluetooth while I'm at work, running the display at 40%, but I'm still running the battery down damn quick if I actually use the device. Earlier this week, it ran itself down to <15% battery in just a few hours just sitting in my pocket, and I wasn't even using it; the only thing I could figure was that the auto-sync was on at the time and it had connection problems where I was in the hospital, making the phone burn up the battery trying to get a connection. When I looked at my battery info, the overwhelming majority of the battery use was for Android System. Now with auto-sync off, the display eats about twice as much of the battery as the system does.
I'm thinking of taking it back anyway if it acts up again. Has anyone else had one that just simply ate battery at a huge rate? LeeDroids ROM has a reputation of being pretty easy on the battery, but right now I'd have to say I'm worse on the battery than I was when it was stock. I'll probably try out a different ROM later today, just to check things.
SmittyRN said:
So I get home from work this morning, pull my Inspire out of my pocket, and it's dead; no lock screen when I push the top button, nothing but black screen. Kinda strange, since I had just been using the phone a few minutes before while I ate breakfast before a 5 min drive home; it still had 22% charge right before I left. I put it on the charger.... nothing. Black screen, no amber light. I let it sit for about 15 minutes, still nothing. I drop it back in my pocket and put my shoes back on, about to head back out to the AT&T Store to exchange it, when I hear R2D2 in my pocket (I'm running LeeDoids ROM). Sure enough, it's booting.... wtf?
It's plugged up and charging right now, which kinda sucks in a way, because I was looking forward to exchanging it for a new one; my battery life sucks in it, worse than it should as far as I can tell with reading up on all the threads here. I'm trying to be very conservative with the settings lately in an effort to stretch battery life, with limited results. I've turned off auto-sync, installed Juice Defender, I turn off the wifi & bluetooth while I'm at work, running the display at 40%, but I'm still running the battery down damn quick if I actually use the device. Earlier this week, it ran itself down to <15% battery in just a few hours just sitting in my pocket, and I wasn't even using it; the only thing I could figure was that the auto-sync was on at the time and it had connection problems where I was in the hospital, making the phone burn up the battery trying to get a connection. When I looked at my battery info, the overwhelming majority of the battery use was for Android System. Now with auto-sync off, the display eats about twice as much of the battery as the system does.
I'm thinking of taking it back anyway if it acts up again. Has anyone else had one that just simply ate battery at a huge rate? LeeDroids ROM has a reputation of being pretty easy on the battery, but right now I'd have to say I'm worse on the battery than I was when it was stock. I'll probably try out a different ROM later today, just to check things.
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Fully charge the battery to 100% then wipe battery stats in CMR. Hopefully that will help you out.
Sent from my Desire HD using XDA Premium App
Does wiping stats improve battery life, or just give you accurate future stats?
Sent from my Inspire 4G using XDA Premium App
Improves battery life and makes it more accurate. I would try downloading the Rom and make sure you flash everything. Also make sure your not over clocked.
Sent from my Desire HD using XDA Premium App
onthezone said:
Improves battery life and makes it more accurate. I would try downloading the Rom and make sure you flash everything. Also make sure your not over clocked.
Sent from my Desire HD using XDA Premium App
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I'm gonna reflash the ROM and see how it works before I try another one. I'll make sure I'm not overclocked too much, but others with LeeDroids ROM are getting good battery life with overclocking. The two big symptoms I'm looking at right now are heavier than expected battery drain, and the total lock up it had where it wouldn't even show a charging light.
dooyoo222 said:
Fully charge the battery to 100% then wipe battery stats in CMR. Hopefully that will help you out.
What is CMR? How do you wipe stats out? I looked for it in settings & couldn't find.
Thanks
Sent from my Desire HD using XDA Premium App
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Sent from my Inspire 4G using XDA App
CMR=Clockwork Mod Recovery. Reboot into recovery, select advanced, select wipe battery stats.
SmittyRN said:
CMR=Clockwork Mod Recovery. Reboot into recovery, select advanced, select wipe battery stats.
Click to expand...
Click to collapse
tried it but I'm getting a phone icon with an exclamation point when i selected recovery
Does it only work on rooted phones?
Sent from my Inspire 4G using XDA App
Hey Smitty, I know it's been over a week but have you had better luck with your battery usage?
Also with regards to your unresponsive power issue. Given the size of this handset I've found it difficult to keep it in a pocket. I'd bet that the battery door wasn't connected good or got separated slightly in your pocket, probably getting in & out of your car. It doesn't look like it would take much to separate the contacts in there leaving you with what seemed like a dead phone.
I did a complete wipe and ROM switch... installed dilligafs, and I had much better performance. Using MIUI now, still getting good battery performance. I might have had a bad ROM install before or maybe I left a location using app running. As far as the strange black screen issue, I never did figure out what that was about; the phone was in a Otterbox case, and the battery cover was on tight, so I don't know what happened. It hasn't repeated itself, at least.
One thing I miss about the iPhone was the ability to set up a periodic sync, instead of an auto-sync like we have on Android. Auto-sync is either on or off, and when it's off I can't figure out how to get gmail to sync any way other than a manual sync. I could easily live with syncing every 15 or even 30 mins, and I'm sure it would give me much better battery life. Juice Defender claims to do this for you, but it doesn't work in Gingerbread it seems.

[Q] Has anyone noticed battery life took a nosedive with the Gingerbread update?

Having waited months for this update, I was just as excited as many to put this update on. Unfortunately, even though it has fixed many issues it created a new one for me: battery life, surprisingly.
The battery life on my phone is now back to what it was at out of the package with all of the bloat and Froyo. All I did on my Froyo was root it, freeze all of the bloatware, and unroot it. The battery would go the entire day and then some with moderate use. The phone became very stable.
Fastforward to yesterday- the phone rebooted, so I had enough and I put Gingerbread on. Everything was fine yesterday, and battery consumption was great with all the radios on. After I woke up this morning from charging (USB), the phone felt hot. Battery Monitor was saying it was at about 101F (normally around 96F). I unplugged, and immediately the consumption was at about 250mA. Throughout the past few hours, it has gone from 150mA to 600mA consumption. I did a factory reset, and it didn't help. Nothing has worked yet to get the power consumption under control today. The primary things running are (not surprisingly) the bloat. Telenav I noticed was constantly noted as "Restarting". Appmarket gets force-killed, and it opens back up a split second later.
It might possibly be the data radio, as JuiceDefender can't even shut it off.
Has anyone found their battery consumption got worse with the GB update, and not better? Short of flashing a bloat-free rom on it, has anyone found a solution?
When an app constantly closes and goes into a endless restart cycle is what kills the battery the most. It also makes the phone hot. I had this happen with the NFL app a few updates ago.
Sent from my HTC Sensation 4G using XDA Premium App
After I updated yesterday my battery did also die fairly fast. I did a hard reset and now it seems the same as froyo. But I was one the lucky folks with almost no problems so I never rooted. From my understanding gingerbread suppost increases battery life mines about the same now
Sent from my LG-P999 using XDA App
Guys you have to keep in mind that this is not the official release. LG either leaked this build out by accident or on purpose to quiet down the hungry stomach's that wanted a gingerbread build. Lets just cross our fingers and graciously hope that a more fresh and tasty build will be released.
For now just try and enjoy your phone. If you are having random reboots that are a little too often then try completely wiping your phone and then literally wait 10 minutes for the software to settle down, once settled then reboot and enjoy.
Sent from my LG-P999 using XDA Premium App
I was just about to make this thread. I've got from 100% to 38% in about 3.5 hours and it wasn't particularly heavy usage.
omnibot80 said:
I was just about to make this thread. I've got from 100% to 38% in about 3.5 hours and it wasn't particularly heavy usage.
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That sounds about right. There has to be a broken sensor or something improperly calibrated. It isn't warm anymore, but it is just gulping down the power right now faster than any device I've ever had. I have a feeling it may have thought it was fully charged. It was perfectly fine on the original charge left over from Froyo consuming only about 30-60mA. Overnight charge on Gingerbread? Getting this massive consumption. It was done on USB. Once it dies in the next few minutes, I'll do a full wall charge and hopefully it gets more than a few minutes.
You guys using the bloated version or the EB release with bloat removed?
My battery life has been fairly good so far.
Sent from my LG-P999 using XDA App
my battery is incredibly good after the update today after 4 hours of usage my battery had only went down 3%
cgonz92 said:
my battery is incredibly good after the update today after 4 hours of usage my battery had only went down 3%
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Have you charged it since you ran the update?
I just plugged my phone in about 30 minutes ago and it went from 20% battery to 80% in 30 minutes. That seems very fast for the G2x. I really think the culprit here is it isn't charging properly. I did a factory reset already, and it didn't help.
DroidNaN said:
Have you charged it since you ran the update?
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yea ive charged it
My battery life got so much better ......its like a whole new phone
My phone is on for 18hrs now and I still have 15%. Am draining this battery because I calibtrated it.
Sent from my Calculator with Android.
I just got tired of disabling all the features that made my phone a smartphone, using juice defender...etc I decided to order an extended battery for $10 shipped off of eBay, 3500ma , I suggest u do the same.
Sent from my LG-P999 using XDA App
One thing I have noticed is my Camera is apparently responsible for about 20-30% of the power consumption even though I've forced quit it and rebooted.
I am going on 14 hours now and am at 64%... light use, wifi on half the time, screen on for little over an hour. I have HORRIBLE reception at my house in ohio, the damn thing is usually just trying to hold 1 or 0 bars where i very frequently have dropped calls or text messages that go out slow or come in in packages because it finally found a signal again (aka my phone loves to spend juice looking for a signal)... I would say its pretty good and i used the hell out of it yesterday and killed it in like 6 hours so this is my second charge...
Luckily I'm in the second Category. I was on ultimate Rom and loved it but I just wanted to change it up so I rolled back to froyo. Then did the update, reflashed clockwork and charged it to 100%, booted into clockwork, deleted the battery stats, boot it up, pulled the charger and I'm on 15 hours now and still have about 20% left. I'd say they did something positive. I still need to freeze the bloat however. I'll worry about that later when we get a CM7 or EB build based on this rom that is stable.
After I turned off GPS on the camera and killed it, my battery life skyrocketed. Even though I was killing the camera, it wasn't helping. I had to actually turn off the GPS before exiting. I'm not sure if its coincidence, but I left it unplugged overnight and it used almost no battery.
Just for a bit of proof.. I took these after the update, in the one with the estimate you can see it only expected me to get 5 more hours of battery life based on the history, but it's going to last a lot longer I think.
All I did was wipe battery stats, charge to 100%, wipe again, waited 30 minutes, wiped one more time then unplugged and let it go. that was 17 hours ago.
I'm anal like that, I really did wipe the battery stats three times and let it charge to full again after wiping just to make sure it was maxed out. I'm a noob still so not sure exactly how the battery stats reporting works.
Oh yeah, this includes 1.5 hours of Order and Chaos. Streaming music from Google music for two hours while driving across town, 45 minutes of GPS while locating a business I've wanted to visit and about 5 chapters of I, Robot in google books.

[VERIZON] Absolutely Horrible Battery Life

My only concern when buying this phone was battery life compared to my Razr Maxx. I was expecting it to be shorter...... but not this much!
I have tried restarting and clearing cache+dalvik. It seems to keep happening.
Eesh that is definitely not normal. I have the Verizon GS3 and get far better battery life.
I would suggest a factory reset. That seems to work for some people. Otherwise I'd suggest getting a replacement.
Sent from my SCH-I535 using xda premium
looks like something is waking up your phone like crazy when the screen is off...
I love these sort of posts. You obviously have a wake lock that is keeping your processor active when not in use. Download "BetterBatteryStats" from the market and check out your wake locks and partial wake locks. It will be petty obvious at that point. It's most likely a rouge app.
It isn't a systemic problem with the phone. I get around 20 hours with slightly more than moderate use.
Sent from my SGS3
Schaweet said:
I love these sort of posts. You obviously have a wake lock that is keeping your processor active when not in use. Download "BetterBatteryStats" from the market and check out your wake locks and partial wake locks. It will be petty obvious at that point. It's most likely a rouge app.
It isn't a systemic problem with the phone. I get around 20 hours with slightly more than moderate use.
Sent from my SGS3
Click to expand...
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can you elaborate more on this? i downloaded the program and I dont see anything irregular at all. when i go to "partial wake locks" i see audioout only taking up 2.4% TOTAL TIM, 7M51S and the next one being dropboxcpuolywakelock
next one being backup, so on and so forth, none above 2%....
I am experiencing the exact same battery life drain as the op...except i have the tmobile version
airmcnair06 said:
can you elaborate more on this? i downloaded the program and I dont see anything irregular at all. when i go to "partial wake locks" i see audioout only taking up 2.4% TOTAL TIM, 7M51S and the next one being dropboxcpuolywakelock
next one being backup, so on and so forth, none above 2%....
I am experiencing the exact same battery life drain as the op...except i have the tmobile version
Click to expand...
Click to collapse
I had the same issue the other night. Took it off the charger and fell asleep.... when I woke up over 1/4 of my battery was gone. Android System showed the same high percentage used. I went into apps, android system, force stopped it, rebooted.. Hasn't crept back up since.
From my understanding, under idle, android system should be in the 5-10% range.
I did a full system reboot, pulled battery and restarted - all better. Something was tripping my battery up as well. It's not the phone, somethings causing it.
Galaxy S3 - Locked...
Schaweet said:
I love these sort of posts. You obviously have a wake lock that is keeping your processor active when not in use. Download "BetterBatteryStats" from the market and check out your wake locks and partial wake locks. It will be petty obvious at that point. It's most likely a rouge app.
It isn't a systemic problem with the phone. I get around 20 hours with slightly more than moderate use.
Sent from my SGS3
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Click to collapse
not sure how thats possible at all.. I have the t999 gs3 and other verizon users confirmed very similar battery life..... these phones get around 2.5 hours screen on time.... soo to actually get 20 hours of use, MOST of that time has to be with the screen off.. i dont see how moderate usage would yield 20 hours.... ide LOVE to get 20 hoursss
Topher227 said:
My only concern when buying this phone was battery life compared to my Razr Maxx. I was expecting it to be shorter...... but not this much!
I have tried restarting and clearing cache+dalvik. It seems to keep happening.
Click to expand...
Click to collapse
Your phone never sleeps. I would do a factory reset.
joemagistro said:
not sure how thats possible at all.. I have the t999 gs3 and other verizon users confirmed very similar battery life..... these phones get around 2.5 hours screen on time.... soo to actually get 20 hours of use, MOST of that time has to be with the screen off.. i dont see how moderate usage would yield 20 hours.... ide LOVE to get 20 hoursss
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Click to collapse
that's what i get, with 2-2.5 hours of screen time. no lte for me though.
I have Verizon GS3 and battery life is great. I too had an issue with battery drainning fast on my GS3 but found out it was Enhanced Mail Apps that I was using that killed my Battery so I uninstalled it. After the uninstall, my battery life has been great. You really can't compare battery life between Mot Raze and GS3. GS3 is far superior.
There must be an apps that is draining your battery.
Here is my battery stats. This is with moderate use.
Sent From Galaxy S III (i535)
Using Xparent Blue Tapatalk
By the way, I was mostly on a LTE network except for maybe 30min.
Sent From Galaxy S III (i535)
Using Xparent Blue Tapatalk
That is far from normal.
100% LTE. Moderate with periods of heavy use. I would run a few cycles to see if your battery performance improves. Also, as other users have stated, keep running BetterBatteryStats for a few days and it will keep catching the wakelocks you're getting. If you still can't figure out the problem, I would seek a replacement battery from Verizon just to be sure.
Edit: Forgot to mention this before. If you haven't yet, plug your phone in and charge the battery to 100% with the phone powered down completely. Then let it run all the way down before charging it again. Doing this once effectively "trains" the battery to better read its full capacity and won't hurt the overall life of the battery. This is something that I find is often missed with new batteries, but I have had great results with.
Sent from my SCH-I535 using Tapatalk 2
delete post
Thanks for the replies... i did a factory reset and did not use Titanium to restore the apps in case one of them was causing the drain.
I'm still getting random drains by "gsiff_daemon" (which i'm seeing others having issues with this too). Fortunately this drain is fixed by a simple reboot. Yesterday I was able to get just under 15 hours of what i'd call light'ish use (under an hour of cached Spotify, WiFi all day, 10 minutes of phone calls, 30 SMS) and was at about 5%. Keep in mind I had about an hour in there where good 'ol gsiff was suckin down the battery (It took about 20% in 45 minutes).
The final test for me is this weekend. If it can last a whole day with my moderate/heavy usage.... i'm keeping it. Otherwise, its back to the Maxx.
This doesn't address the root cause of something preventing the phone from sleeping, but I thought I would mention an app that helps extend battery life. Personally I get great battery life regardless of any "saver" apps, and have never gotten less than 12 hours on a full charge, and that was very heavy use. I probably average closer to 20 on moderate-heavy use.
Anyway, as some know there are apps that will automatically turn off your data connection while the screen is off. Most turn the connection on for 1 minute, every 15 minutes while the screen is off so that you still receive email, ect... This does not affect phone calls and text messages, as they do not use apn and would be received immediately. These products can significantly extend battery life with little complication, particularly if you stay connected to LTE all the time. As an example, overnight I might lose about 20% of my battery or more while sleeping. With one of these apps I lose only about 4-6%.
I personally like the BatteryDefender app, very simple to use, and very reliable.
Sent from my SCH-I535 using xda premium
Coming from the HTC Thunderbolt, the Sammy GS3 is a nice change as far as battery life!
Sent from my SCH-I535 using xda premium
ajd88 said:
Sent from my SCH-I535 using xda premium
Click to expand...
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Did you have your phone on Airplane Mode or something for half the day?

Battery life greatly getting worse

Has anyone noticed their battery getting incredibly worse over time? I bought my S7 on release (non edge). And since then, I've noticed that it doesn't last no where near as long. Today, for example I started my day at 7:00am when the battery was 100%. As of 30 minutes ago, the battery reached critically low (5%). From 7am all I did was watch a few videos, facebook, snapchat and then play music. But all the above for not too long.
I've also noticed that once the phone hits the 15% battery (I know due to the notification), that within minutes the battery can be done to 10% or so, without touching it.
I'm more so tempted just to take it back, unless there's an easy fix OR it's a known issue with the current version.
Thanks!
xxshabsxx said:
Has anyone noticed their battery getting incredibly worse over time? I bought my S7 on release (non edge). And since then, I've noticed that it doesn't last no where near as long. Today, for example I started my day at 7:00am when the battery was 100%. As of 30 minutes ago, the battery reached critically low (5%). From 7am all I did was watch a few videos, facebook, snapchat and then play music. But all the above for not too long.
I've also noticed that once the phone hits the 15% battery (I know due to the notification), that within minutes the battery can be done to 10% or so, without touching it.
I'm more so tempted just to take it back, unless there's an easy fix OR it's a known issue with the current version.
Thanks!
Click to expand...
Click to collapse
I've definitely noticed this since rooting. Maybe it has something to do with that? Like a ROM you flashed or what not? I'd like some suggestions here as well.
Thanks!
musashiasano said:
I've definitely noticed this since rooting. Maybe it has something to do with that? Like a ROM you flashed or what not? I'd like some suggestions here as well.
Thanks!
Click to expand...
Click to collapse
I haven't rooted the S7, it was the first phone that I've left stock from opening.
What does the battery stats say is using the most mAh?
Facebook app is a known battery hog
Obviously over time, you'll install different things, and slowly the phone will start using more and more power running background apps
A backup and Factory reset will show if there is a hardware / battery issue, or if it's purely from stuff you've installed over time
Also clearing the caches from recovery could help
yeah ive noticed this too. My usage habits havent changed but my battery life is almost half of what it was when i just got the phone.
*Detection* said:
What does the battery stats say is using the most mAh?
Facebook app is a known battery hog
Obviously over time, you'll install different things, and slowly the phone will start using more and more power running background apps
A backup and Factory reset will show if there is a hardware / battery issue, or if it's purely from stuff you've installed over time
Also clearing the caches from recovery could help
Click to expand...
Click to collapse
Cache has been cleared from recovery, and I don't generally install many apps so since I've bought the phone the apps have stayed the same.
Android system is always on top. Unless of course I spend hours on Facebook.
Might have to factory reset. I've used my phone with the same apps and time since I've bought it, and I'm finding I'm charging it 3x as much.
I think it's a root issue - deep sleep.
After S6 Edge Plus, when you root a samsung phone, it won't go in deep sleep. I believe there's a fix for that.
Have you checked the battery usage stats? It gives you the breakdown on what apps are eating up the battery.
I have had my S7 for about a month and battery is about the same.
Just to update this thread for those that may have a similar issue...the other day I couldn't live with the battery life the way it was. The phone used 50% in several hours where I barely used it.
Decided to completely re-flash with stock (was stock before) as opposed to simply wiping all data. A week in, and the phone's battery life is back to the way it was. I went to bed when it was on 100% (as a test) and woke up 7 hours later with the phone on 94%, with wifi, location and bluetooth on.
Not sure what had caused it to use so much battery previously, but it's back to what it should be and that's all that matters.
hi with my s7 exynos i do 3h screen. i think there is a problem. i bought my s7 one week ago. can anyone help me?
Rooting and installing custom kernels when done right should greatly increase the battery life of your device. This is a well known guide here on XDA for improving battery life for our devices.
That being said, Lithium Ion Batteries hold less charge the more cycles they are put through, its a given fact but as you said your device is relatively new and therefore should not be experiencing this kind of problem. The way I see this is there are 3 possibilities which may be causing the said problem...
1) You have rooted the device and done some modification/s. ( which you haven't done )
2) Your battery is being drained by a service ( Like Oculus or VR ) in fact a number of reddit users complained their S7 was overheating and battery was draining really fast for some reason. Check This page out, It might help you.
3) Battery Defect, you must've gotten a "bad" model, if you haven't tripped KNOX you could try bringing your phone to Samsung and see if they would fix or replace it.
Good luck
I think this has to due to them samsung updates. As far as i know samsung been always doing things like this where they made the OS slow as hell after a while so you gonna get a upgrade sooner but a battery should last 2 years minimal without degrading.
---------- Post added at 03:36 AM ---------- Previous post was at 03:34 AM ----------
petmike2 said:
hi with my s7 exynos i do 3h screen. i think there is a problem. i bought my s7 one week ago. can anyone help me?
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i get like 5 hours screen on time and bout 1 day standby time but i have most bloatware disabled with the package disabler. But if i was you i would contact samsung.
This happens with Samsung updates on every Galaxy phone. It's like a curse. It's unavoidable.
Enviado desde mi SM-G920F mediante Tapatalk
May i ask if the people with these problems use the fast charge? I hearing many bad things bout this so i switched it off and must say the normal charge isn't that slow and if it can keep the battery good for longer then we all should use this.
I turned fast charge off about a week after I got the phone, was making the phone and charger pretty hot for the sake of about 5-10 mins quicker charge
Pointless really, unless you are desperate, only have a few mins spare and need as much power as possible in that short time, and if that's the case, enable it for that one time
Restrict background data on all but the most important apps (phone, text, email), dave power all but the most important apps. Battery life is fine
Sent from my SM-G935T using XDA Free mobile app

[OOS 5.1.8] Battery life got really bad somehow

As I've gotten my new oneplus 6, battery life was amazing. I got around 7-8 hours of sot (and average use) with one cycle.
Now I'm on 5.1.8 and with the same usage I get only around 3-4 hours sot. Only thing that I've changed over the weeks; I installed xposed. I don't know if this is the issue, cause I only ran like 3 modules with it (Greenify, Snaptools and NSFW Gboard)
Something else to say, my op6 is heating up more then it should be recently. Like I'm only using whatsapp and instagram, and suddenly it becomes uncomfortable warm.
In settings I also made all battery improvements, given in a thread here.
Can someone imagine what could be the problem? Or does someone have such an issue also? I uploaded some screens in attachments, maybe this is helpful.
Thank's!
Sometimes it can take a few days for a new update to settle down. If it keeps up, you might reflash. Also, check for rogue apps and wakelocks, which can flare back into life sometimes when you update. I have not noticed any real difference in battery life.
It hasnt made a difference imo for my device anyway. From changelog nothing should affect battery tbh. Maybe wakelocks or something plus running xposed with modules is never good from experience
Well I'm on 4G most of the day, I think this makes a difference because I only get such good results like 7 hrs sot when I'm on wifi. With Airplane Mode enabled I lose about 4% over night, I think this is normal or?
Noticed this as well with the update...
Even clean flashed
memocatcher said:
Well I'm on 4G most of the day, I think this makes a difference because I only get such good results like 7 hrs sot when I'm on wifi. With Airplane Mode enabled I lose about 4% over night, I think this is normal or?
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I have the same battery life as all the other part builds. Actually better since I just added ex kennel.
I stay on data, never WiFi since I'm on T-Mobile with unlimited and never get throttled. I loose about 2% overnight (about 7 hours) though I do keep my syncing under control. 1 email account is set for 3 hours, work is push, all under Google account is turned off since I only need calendar and contacts syncing when I make a new entry so I just manually turn sync on then back off. And I turn all background data off for everything other then what I need like messaging apps and email, Google app and that about it. Nothing to crazy but why let things sync constantly when there's nothing to sync?
For me, definitely thought 5.1.6 was the best for battery life.
Have you tried going into recovery and wiping cache? Worked for me.
hallo dare said:
For me, definitely thought 5.1.6 was the best for battery life.
Have you tried going into recovery and wiping cache? Worked for me.
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My best experience was on 5.1.7.
6+ SOT on all 3 builds so far.

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