T-Mobile vs ST ATT battery issues - Nexus 4 Q&A, Help & Troubleshooting

Originally on my N4 I was rocking straight talk ATT side, my battery life was awesome... Well then I recently switched to T-Mobile monthly 4G (faster speeds) and now even after a couple factory wipes my battery doesn't seem very good. I check what's consuming and Android OS and android system is always in the top 2. I can't seem to get those two programs to calm down. Its not a rogue app, I don't have any apps besides xda installed. I am not rooted just running stock. Has anyone else seen a battery life drop since using T-Mobile, is it that significant? Any advice or tip would be appreciative.

This is really interesting to me. I've read a great deal about the Nexus 4 battery issues but as far as I know they've never been linked to carrier. Of course, I haven't read everything about it and someone might have made a connection along the way, but I haven't come across it.
Do you use the Better Battery Stats app? If so, check the number of msm_hsic_host wakelocks. On a good day, mine hovers around 10-12% of the overall wakelocks (today it's 22%, who knows why). To my knowledge, this is related to the Android OS in the stock battery analysis. I'm on AT&T. This would make me hesitant to jump to T-Mobile when my contract ends in March. Hopefully 4.2.2 fixes the problems regardless, but has anyone else seen worse battery life on T-Mobile than AT&T?

Related

Anyone else having partial wakelocks/worse battery life after JB OTA?

Just wanted to throw this out there and see if anyone happens to be getting a lot of partial wakelocks without screen on or if your overall battery life has decreased since installing the 4.1.1 OTA. When I first purchased the phone, I had very very few incidents under my battery info where I would have a session awake without the screen on. Post update, seems like I've got a ton of really small wakes with no screen activity. I have turned off Google Now and every GPS/Location setting I could find. Downloaded Better Battery Stats today so I'm going to see if I can get some better info on what's going on, new to the program though and I don't understand most of the info that it reads.
Prior to the update, letting my phone sit overnight I would maybe see a 3 or 4% drop over the course of say six or seven hours. Now I'm seeing a 3 to 4% drop in battery per hour, more if I'm actively using the phone. I'm going to do more testing, specifically overnight to see how it fairs. Just wanted to throw this out there and see if anyone else is experiencing any of these issues.
:good: -Matt
I am noticing the same thing. Don't know the cause. Keep sync off all day.
Sent from my Sony Tablet S using xda premium
Im getting the fast dormancy symptom again... no matter what i tried I cant fix it... always connecting as HSPDA+ even if im not using......anyone got any ideas?
Hmm, might try a factory reset and not installing any apps at all and seeing how it fairs. By chance, do you guys have any of the stock bloatware apps disabled? Not rooted/Frozen, but just disabled via the apps menu? Wondering if perhaps disabling any of them might be a trigger.
-Matt
sombody said:
Im getting the fast dormancy symptom again... no matter what i tried I cant fix it... always connecting as HSPDA+ even if im not using......anyone got any ideas?
Click to expand...
Click to collapse
for me freezing modem fast dormancy monitor and modem stats service appears to fix fast dormancy
Yes I am noticing it to. I disabled Google now and it got a bit better.
Sent from my XT907 using xda premium
Roflwafflez said:
Prior to the update, letting my phone sit overnight I would maybe see a 3 or 4% drop over the course of say six or seven hours. Now I'm seeing a 3 to 4% drop in battery per hour, more if I'm actively using the phone. I'm going to do more testing, specifically overnight to see how it fairs. Just wanted to throw this out there and see if anyone else is experiencing any of these issues.
:good: -Matt
Click to expand...
Click to collapse
Yea i'm getting that. I'm using 13% overnight now vs like 4% before. Not sure about the wakelocks though.
Some random things I've noticed are the blur widget resets itself alot. And the transition to the settings window on the left is laggy. How would one revert back to ICS? Google Now is not that worth it to me and the phone was smooth enough before. I'd take the battery life over the new features.
I did buy a second Razr M for my girlfriend that's still on ICS. I guess I can do a side by side compare this weekend.
I am loving the update.. only issue so far is fire fox crashing..no battery issues. Must be settings guys..
sent via xda premium with nexus 7-Xbox live-loneleppard add me
i don't think it is setting i have all my syncs to manual, and i have been noticing a lot worse battery life since the update i would have 18+ hours or so off charger with pretty heavy texting / game / some voice calls. Now i'm not getting close to that. I just disabled the fast dormancy service to see if that helps any, ill post back results
Just did a factory reset today, I'm not going to disable any of the bloatware this time, and I only installed BetterBatteryStats as well as updated all the default apps in the Play Store. Going to see if I get any wakelocks this time around.
Last night, after a period of 6 hours, I had over an hours worth of partial wakelocks from AlarmManager (subheading Phone).
-Matt :good:
I disabled Google Now and my phone used 7% battery over 6 and a half hours. A little bit better.
A factory reset (annoying as it is) helped me considerably. My phone was also seriously laggy before the reset...slow like my old DX on GB, much worse than factory ICS. It finally feels smooth now, like JB should.
Still seeing a lot more wakelocks than on ICS, but it doesn't seem to be draining the battery like it was before the reset. I also removed or disabled a couple of apps that seemed to be serious offenders (Accuweather was one).
Did a reset on mine as well and did not restore from Google backup. Still seeing wakelocks, but as someone noted earlier they don't seem to be draining the battery too much. With that said, the battery does still seem to tick down much faster than on ICS. One thing I did find that helped, although honestly it's not really a solution, is turning off data use when I'm out and about just answering texts and such. If I have data/wifi disabled, I'm getting closer to the battery life that ICS was giving, but then again who wants to go around having to toggle data on and off every time you want to look something up.
-Matt
Is maps showing up on your battery stats and you're not using it? If so, simply open the application. It should say "updated to the latest version" or something like that. If this is happening, this will solve your battery problems.
Happened on my Galaxy Nexus and was happening initially for this phone too. Hope this helps someone.
Modem Fast Dormancy Monitor Service Not Responding.
Me and my wife both updated to KitKat on our Razr M's. I like it so far. The pop up about modem fast dormancy bothers both of use. When you look under battery, it uses more battery than other apps. I force stop it, reboot and it comes right back. A chat on Motorola web site sugested to wipe partition cache. The link that was provide gives the wrong instructions. KitKat using the power and volume keys has changed. They forgot to tell some people. That didn't work! I sent a long email to Motorola telling them that someone messed up or they did this for a reason! I guess if you get mad enough you'll just buy a newer phone. If that one thing is fixed, we would both be happy. The white background in text take some getting use to also. I hope Motorola will help us, but I kind of think Razr M's will be considered OLD! They are betting we will junk them for a new model.
notrite63 said:
Me and my wife both updated to KitKat on our Razr M's. I like it so far. The pop up about modem fast dormancy bothers both of use. When you look under battery, it uses more battery than other apps. I force stop it, reboot and it comes right back. A chat on Motorola web site sugested to wipe partition cache. The link that was provide gives the wrong instructions. KitKat using the power and volume keys has changed. They forgot to tell some people. That didn't work! I sent a long email to Motorola telling them that someone messed up or they did this for a reason! I guess if you get mad enough you'll just buy a newer phone. If that one thing is fixed, we would both be happy. The white background in text take some getting use to also. I hope Motorola will help us, but I kind of think Razr M's will be considered OLD! They are betting we will junk them for a new model.
Click to expand...
Click to collapse
dude its a 2012 thread
about 4.1.1 (jellybean)
kitkat is 4.4.1 (or something)
thread is supose to be dead&buried
dead and buried
fredsky2 said:
dude its a 2012 thread
about 4.1.1 (jellybean)
kitkat is 4.4.1 (or something)
thread is supose to be dead&buried
Click to expand...
Click to collapse
Sorry! My bad. I didn't notice it was closed. Why do they not take old olds off line.

[Q] ANDROID IS JUNK! (Battery "life")

Every time I track down what is sucking my battery Google come up with a new way for Android to suck even more. I have sorted out various apps, location services, underclocking, etc. Now I find that when there is an update waiting the Play Store punishes me by sucking the juice out of the battery - even though I have it set to automatic updates and to give me notifications if there are updates waiting. No notifications and sometimes the waiting update doesn't even show up in My Apps, unless you switch to the Store Home and then back to My Apps. It might make a little bit of sense if these app updates were waiting for you to approve a change to the permissions but that isn't the case.
I have this problem on my Nexus 4 running rooted stock Android 4.4.4 AND on my waterproof Moto Defy+ running uprooted stock 2.3, so I'm guessing it is the Play Store which is junk. Does anybody know a solution to this? Please? I have tried searching for solutions but there are SO many battery/Android OS problems that I haven't been able to find the answer for this particular one.
I'm almost tempted to go for an iPhone - except that they are junk too. Maybe my next phone should be a Nokia 3310.
(BTW "junk" wasn't the word I originally used)
You're never going to get zero percent battery use, maybe your expectations are out of line?
How much screen on time do you out of a full charge? And what's your %/hour drop when the phone is sitting untouched?
Sent from my Nexus 7 using XDA Free mobile app
Badgie said:
Every time I track down what is sucking my battery Google come up with a new way for Android to suck even more. I have sorted out various apps, location services, underclocking, etc. Now I find that when there is an update waiting the Play Store punishes me by sucking the juice out of the battery - even though I have it set to automatic updates and to give me notifications if there are updates waiting. No notifications and sometimes the waiting update doesn't even show up in My Apps, unless you switch to the Store Home and then back to My Apps. It might make a little bit of sense if these app updates were waiting for you to approve a change to the permissions but that isn't the case.
I have this problem on my Nexus 4 running rooted stock Android 4.4.4 AND on my waterproof Moto Defy+ running uprooted stock 2.3, so I'm guessing it is the Play Store which is junk. Does anybody know a solution to this? Please? I have tried searching for solutions but there are SO many battery/Android OS problems that I haven't been able to find the answer for this particular one.
I'm almost tempted to go for an iPhone - except that they are junk too. Maybe my next phone should be a Nokia 3310.
(BTW "junk" wasn't the word I originally used)
Click to expand...
Click to collapse
google doesnt come up with a new way for android to suck more battery , YOU DO , note the keyword is YOU , now figure it out .
I was getting under 2% per hour drain then, without me making any changes, when updates came along and Android didn't tell me and Android decided to suck my battery it goes to something like 10% per hour
Badgie said:
I was getting under 2% per hour drain then, without me making any changes, when updates came along and Android didn't tell me and Android decided to suck my battery it goes to something like 10% per hour
Click to expand...
Click to collapse
battery life is all dependent on YOUR personal usage, your personal setup, your personal decision to install whatever apps, and very much your phone/data signal. if your data/phone signal is only so so, then youyr battery life will only be so so. if you have things draining your battery besides for your signal and use, its up to you to figure out why. thye battery klife of my nexus 4 and nexus 5, actually, all androids that ive ever owned, has been wonderful. i get the same google apps updates as you, no less. so you have to figure it out.
OK, so as I said previously, with no changes made by Me I am finding that when app updates come along my Nexus doesn't alert me to the need to update but if I don't spot that an update is needed "Android OS" usage climbs and drains my battery until I look for an app update and update it. This is without loading any new apps and with the good signal I always have and all the things I normally have turned off (wifi, BT, location history, Google Now, etc) and slightly underclocked (1.2 GHz).
I'm sorry if criticising Android has offended people but I'm asking if anyone can help me solve yet another battery drain. Assuming that I'm doing something wrong isn't helping unless you can point me at what I'm doing wrong. All I am seeing is that I've sorted out all the known battery drains in my personal set up and yet updates, over which I have no apparent control, are causing another drain. I would like to hear from anyone who might be able to help and I apologise to anyone who is offended that I see an imperfection in the phone we have all chosen.
Thanks in anticipation.
Badgie said:
OK, so as I said previously, with no changes made by Me I am finding that when app updates come along my Nexus doesn't alert me to the need to update but if I don't spot that an update is needed "Android OS" usage climbs and drains my battery until I look for an app update and update it. This is without loading any new apps and with the good signal I always have and all the things I normally have turned off (wifi, BT, location history, Google Now, etc) and slightly underclocked (1.2 GHz).
I'm sorry if criticising Android has offended people but I'm asking if anyone can help me solve yet another battery drain. Assuming that I'm doing something wrong isn't helping unless you can point me at what I'm doing wrong. All I am seeing is that I've sorted out all the known battery drains in my personal set up and yet updates, over which I have no apparent control, are causing another drain. I would like to hear from anyone who might be able to help and I apologise to anyone who is offended that I see an imperfection in the phone we have all chosen.
Thanks in anticipation.
Click to expand...
Click to collapse
You need to find out what's causing the battery drain. Get gsam or betterbatterystats. Without one of those you're just guessing.
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
You need to find out what's causing the battery drain. Get gsam or betterbatterystats. Without one of those you're just guessing.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
App updates come along. Play Store is set to give notifications and to auto-update. Some app updates don't give notifications and "Android OS" causes a load of wakelocks until I spot that the update needs doing and do it manually. Same thing happens on my wife's stock Nexus 4. We are both in the Uk on Three network and have good signal.
I have BBS but I need to see what it says when I get this app update problem. I will post my findings when I get the info. If nobody here recognises this problem maybe I need to look at what is similar between our two Nexus 4s. I know we both have WhatsApp and, of course, all the Google apps, both on 4.4.4 but there the similarities end.
Badgie said:
Every time I track down what is sucking my battery Google come up with a new way for Android to suck even more. I have sorted out various apps, location services, underclocking, etc. Now I find that when there is an update waiting the Play Store punishes me by sucking the juice out of the battery - even though I have it set to automatic updates and to give me notifications if there are updates waiting. No notifications and sometimes the waiting update doesn't even show up in My Apps, unless you switch to the Store Home and then back to My Apps. It might make a little bit of sense if these app updates were waiting for you to approve a change to the permissions but that isn't the case.
I have this problem on my Nexus 4 running rooted stock Android 4.4.4 AND on my waterproof Moto Defy+ running uprooted stock 2.3, so I'm guessing it is the Play Store which is junk. Does anybody know a solution to this? Please? I have tried searching for solutions but there are SO many battery/Android OS problems that I haven't been able to find the answer for this particular one.
I'm almost tempted to go for an iPhone - except that they are junk too. Maybe my next phone should be a Nokia 3310.
(BTW "junk" wasn't the word I originally used)
Click to expand...
Click to collapse
Why don't you try a ROM other than stock? I have flashed countless phones and tuned ROMs always offer better battery life. I don't understand why people go through all the effort of rooting then stick with stock ROMs. I know the general consensus is that the stock ROM (on the Nexus anyway) is one of the best, but let me tell you the general consensus is wrong. It is good, but there are much better custom ROMs.
Oh, and stock 2.3 on the Defy??? Come on man, why are you on XDA? This isn't the Carphone Warehouse helpdesk.
Try something barebones - no bloatware/small rom and choose barebones GAPPS. This will make a huge difference in battery life before you even dive in and stark tweaking further.
BMXJeff said:
Why don't you try a ROM other than stock? I have flashed countless phones and tuned ROMs always offer better battery life. I don't understand why people go through all the effort of rooting then stick with stock ROMs. I know the general consensus is that the stock ROM (on the Nexus anyway) is one of the best, but let me tell you the general consensus is wrong. It is good, but there are much better custom ROMs.
Oh, and stock 2.3 on the Defy??? Come on man, why are you on XDA? This isn't the Carphone Warehouse helpdesk.
Try something barebones - no bloatware/small rom and choose barebones GAPPS. This will make a huge difference in battery life before you even dive in and stark tweaking further.
Click to expand...
Click to collapse
You're wrong. The rom will make very little difference. I constantly get far over 5 hours sot with stock rom and kernel. It's your signal quality and the apps you use and how you set then up that makes the difference
Sent from my Nexus 5 using XDA Free mobile app
BMXJeff said:
Why don't you try a ROM other than stock? I have flashed countless phones and tuned ROMs always offer better battery life. I don't understand why people go through all the effort of rooting then stick with stock ROMs. I know the general consensus is that the stock ROM (on the Nexus anyway) is one of the best, but let me tell you the general consensus is wrong. It is good, but there are much better custom ROMs.
Oh, and stock 2.3 on the Defy??? Come on man, why are you on XDA? This isn't the Carphone Warehouse helpdesk.
Try something barebones - no bloatware/small rom and choose barebones GAPPS. This will make a huge difference in battery life before you even dive in and stark tweaking further.
Click to expand...
Click to collapse
one more thing, you do not need root or to be rooted to run a custom rom or kernel. the only thing that root is need for is to change system files or to run root apps. but yea, you can get great battery life on stock.
I have been getting great battery life from the stock ROM after a few tweaks apart from this problem with updates. I have had a couple of other ROMs on this phone but went back to stock after the last couple of system updates. When I'm not having this particular battery drain then, if I leave the phone alone, I'm getting about 1%/hr battery drain. Also my wife doesn't want her Nexus "messed about with" and it helps if the two are fairly similar. Xposed is the big difference between the two.
The Defy+ is on 2.3 because I only use it when I'm out hiking and it might rain. The Defy is not easy to upgrade and 2.3 was where Android got good, so I'm OK with it, if that's all right with you.
BTW I have a degree in Electronics & Physics plus 17 years postgraduate experience in software engineering in the defence sector. So it's not that I'm not technical I just choose not to make a hobby out of keeping my phones working.
Badgie said:
BTW I have a degree in Electronics & Physics plus 17 years postgraduate experience in software engineering in the defence sector. So it's not that I'm not technical I just choose not to make a hobby out of keeping my phones working.
Click to expand...
Click to collapse
That's nice
Sent from my Nexus 5 using XDA Free mobile app
jd1639 said:
You're wrong. The rom will make very little difference. I constantly get far over 5 hours sot with stock rom and kernel. It's your signal quality and the apps you use and how you set then up that makes the difference
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
over 5hr sot with stock kernel and rom? impossible......do you even use any 3rd party app on your phone? i get tops 3,5h all stock with NO DATA at ALL, and i turn off sync/wifi when i dont use the phone, with a custom kernel i get close to 5h
Mashed_Potatoes said:
over 5hr sot with stock kernel and rom? impossible......do you even use any 3rd party app on your phone? i get tops 3,5h all stock with NO DATA at ALL, and i turn off sync/wifi when i dont use the phone, with a custom kernel i get close to 5h
Click to expand...
Click to collapse
i see 5h sot nearly every day i use n4, so its not impossible. its a matter of your signal quality and usage. when im using LTE, i always se 5h sot. on hspa+, i see 4-4.5h sot. i have everything enabled and am a heavy user, plus have 96 apps installed. no facebook on any of my devices though. and i never ever disable data.
jd1639 said:
You're wrong. The rom will make very little difference. I constantly get far over 5 hours sot with stock rom and kernel. It's your signal quality and the apps you use and how you set then up that makes the difference
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
A stripped down ROM running only the bare minimum can greatly improve battery life! Just have a sift through some custom ROMs and you will find the ones that are tuned to do such a thing.
Also in reply to others here, the advantage of being rooted means you can remove unwanted system apps, underclock etc which if you're concerned about battery life would be quite important I would have thought.
---------- Post added at 07:02 PM ---------- Previous post was at 06:51 PM ----------
jd1639 said:
You need to find out what's causing the battery drain. Get gsam or betterbatterystats. Without one of those you're just guessing.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
This is what you need to do if you want to persist with the stock ROM. I personally have used betterbatterystats with success. Use this to check wakelocks as these are often the cause of mystery battery drain. There is an old but useful guide to that here: http://forum.xda-developers.com/showthread.php?t=1827676
PS. Your Electronics degree gave me a semi
BMXJeff said:
PS. Your Electronics degree gave me a semi
Click to expand...
Click to collapse
Me too. That was a difficult three years.
simms22 said:
i see 5h sot nearly every day i use n4, so its not impossible. its a matter of your signal quality and usage. when im using LTE, i always se 5h sot. on hspa+, i see 4-4.5h sot. i have everything enabled and am a heavy user, plus have 96 apps installed. no facebook on any of my devices though. and i never ever disable data.
Click to expand...
Click to collapse
Not possible with the 2100mah that n4 has! I have the same set up and I'm getting 3h sot..
simms22 said:
i see 5h sot nearly every day i use n4, so its not impossible. its a matter of your signal quality and usage. when im using LTE, i always se 5h sot. on hspa+, i see 4-4.5h sot. i have everything enabled and am a heavy user, plus have 96 apps installed. no facebook on any of my devices though. and i never ever disable data.
Click to expand...
Click to collapse
i never use data and i average 3,5-4h sot?

[Q] Terrible Battery in Germany

Hello all. This is my first actual help post cause I now have a problem, but I have been lurking for a while.
Anyway, I have a rooted S5 from verizon that had awesome battery life compared to my old nexus - I could hit 2 days with one charge. Anyway, I am now living in Germany, will be here for the next year, and I can get maybe half a day before I hit 30%. It feels like I am back with the nexus, I have to plan my charging around what I will be doing.
My carrier here is Lebara. Under the battery stats Android system and Androud OS dominate usage. I had that under control in the States with some TB tweaking, but it is back with a vengance. I haven't updated the OS and am not planning to until L comes out and is compatible with root.
I am never far from an outlet, but I don't want to return to my old habits of always plugging in.
I just had a thought - is it possible that the different electricity standards here nuked my battery? If this is the case, should I worry about my tablet too?
I am also starting to notice a lot more lag and even freezing from normal usage.
S5 frezzing and low batery life.
same here . in the states running stock os flashed to PP

[Q] xpost from Verizon s5 - Bad battery in Germany

Hello all. I posted about a week ago in the Verizon s5 section with regards to bad battery life while living in Germany. I have gotten exactly 0 feedback over there, so I figured I would post my question here.
Admins - I am just copying and pasting. Unless you think it would be better to just move the post?
Anyway -
=============================================================================
Hello all. This is my first actual help post cause I now have a problem, but I have been lurking for a while.
Anyway, I have a rooted S5 from verizon that had awesome battery life compared to my old nexus - I could hit 2 days with one charge. Anyway, I am now living in Germany, will be here for the next year, and I can get maybe half a day before I hit 30%. It feels like I am back with the nexus, I have to plan my charging around what I will be doing.
My carrier here is Lebara. Under the battery stats Android system and Androud OS dominate usage. I had that under control in the States with some TB tweaking, but it is back with a vengance. I haven't updated the OS and am not planning to until L comes out and is compatible with root.
I am never far from an outlet, but I don't want to return to my old habits of always plugging in.
I just had a thought - is it possible that the different electricity standards here nuked my battery? If this is the case, should I worry about my tablet too?
I am also starting to notice a lot more lag and even freezing from normal usage.
=============================================================================
Tl;dr?
Moved to Germany with rooted Verizon S5. Now using Lebara. Half day battery life. Starting to notice lots of lag and freezing. Help!

AT&T Lumia 950 Heating and Battery Drain

After waiting years for a new Windows Mobile device I jumped at the chance to grab a 950 on AT&T. So far, my experience has been a mixed bag.
The phone gets extremely hot after only about 10-minutes of light web browsing on my home WiFi and will drop 20%. At this rate, it wont' last half a day. It stays nice and cool and will only drop a couple of percent over several hours in standby so I don't suspect a rogue background app.
Anyone else experiencing something similar?
***UPDATE*** After 3-days I decided to exchange the phone for a new one and so far the difference is night and day. The new phone is already proving to be better on the battery. I'm cautiously optimistic and will reserve judgement until the end of this week.
You may need to wait charge battery couple circle times. Then see how is battery life
Haven't seen that myself. Battery has been great and no heat issues when using. I did do one factory reset after having it one day. Seemed a little sluggish at first, but after resetting and installing apps, it runs pretty smooth now.
I've had the same issues, and I agree it seems to be worst with web browsing. Not sure if that's an app problem (with Edge) or the device... Everybody says the over heating and battery drain issue should resolve itself over the first week or so. I hope they're right...
Had my phone 4 days. 2 good days/2 bad days with the battery. Seemed to be good after a full discharge and full charge. I've noticed the issues of heat and fast drain after partial charges. I'm not familiar with these issues. Never had the problem with 920. I'm not sure how a battery 'conditions' itself across normal use. Does anyone have knowledge of this? Would really hate to return this phone. Its quite elegant in function despite its bland design.
My phone has been so much better since getting it exchanged at AT&T. I'm inclined to think that it's really an app issue. I follow a handful of tech blogs and I use their own apps to view their sites. I noticed that when I use the WMPoweruser app my phones heats up and starts draining the battery. This also happens with one or two other apps and I suspect that it's because they're not optimized for Windows Mobile 10.
When on the Fast Ring for the Lumia 1020 I was getting awful battery drain. Ended up being the messaging app. I believe because Skype was linked in with it. I had to discover this by using the Settings...System...Battery Saver...Battery use...section in the Settings. Since I upgraded to the 950, even with Skype on the problem doesn't exist. Weird. Glad you worked out your specific issue.
Hi, I also experience the same issue. Got recieved unlocked 950 two days back at USA. So far, 3 to 4 cycle got done. I'm facing phone heat problem and battery drain. If I browse in edge for 15 mins in Wifi, I cannot even hold phone in hand coz of heat liberate on phone. I will see this phone performance for one more week, if it continues I will exchange it.

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