Database Users

[Q] horrible battery life! anyone else?

Hi, I been having the HTC Surround for a little over a week now. I love the look and feel to it (I know OS wise it has a lot of improvements to do but I'm willing to put up with it for a bit, considering its a new OS). However one thing I notice is that it has horrible battery life! The phone last about 10/12 Hrs on a full charge. During this time period, there is no heavy use; tops 50 txt messages send and received, about an hour of music, screen lock (brightness set to low, when on), perhaps 15 minutes of talk time, data connection turn off, about 20 minutes of WiFi (I turn off WiFi when not in use), rest of the time on stand by as mention before (with the screen locked). Another thing i noticed yesterday night was that my phone was charge completely, i left it on stand by and within 5 hrs that i slept the phone had gone a little lower than 3/4ths (data connection was off).
I read a post here that said battery may drain quicker when phone is left in cold weather and i thought maybe this could be the case. However I'm really skeptical because i live in Los Angeles. Cold weather, which is this time of the year, is mid 40 degrees at its lowest! That's not cold! But anyways i guess I'll try putting that theory on a test (imma try keeping it warm, see if it makes a difference)
so is anyone else experiencing horrible battery life? Or am I just an unlucky person who got a defective battery?
THANKS in advance

gravewormx said:
Hi, I been having the HTC Surround for a little over a week now. I love the look and feel to it (I know OS wise it has a lot of improvements to do but I'm willing to put up with it for a bit, considering its a new OS). However one thing I notice is that it has horrible battery life! The phone last about 10/12 Hrs on a full charge. During this time period, there is no heavy use; tops 50 txt messages send and received, about an hour of music, screen lock (brightness set to low, when on), perhaps 15 minutes of talk time, data connection turn off, about 20 minutes of WiFi (I turn off WiFi when not in use), rest of the time on stand by as mention before (with the screen locked). Another thing i noticed yesterday night was that my phone was charge completely, i left it on stand by and within 5 hrs that i slept the phone had gone a little lower than 3/4ths (data connection was off).
I read a post here that said battery may drain quicker when phone is left in cold weather and i thought maybe this could be the case. However I'm really skeptical because i live in Los Angeles. Cold weather, which is this time of the year, is mid 40 degrees at its lowest! That's not cold! But anyways i guess I'll try putting that theory on a test (imma try keeping it warm, see if it makes a difference)
so is anyone else experiencing horrible battery life? Or am I just an unlucky person who got a defective battery?
THANKS in advance
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What "theme" are you using?

If I don't use my phone, it will last for days. Even when I use it through out the day, it lasts well into the next morning/afternoon.
The battery life does get better the more you drain/charge it.

dressanderc said:
What "theme" are you using?
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I'm using a black background and lime tiles...

XeNoMoRpH1030 said:
If I don't use my phone, it will last for days. Even when I use it through out the day, it lasts well into the next morning/afternoon.
The battery life does get better the more you drain/charge it.
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well, I been having it for a week now. I seen no difference in battery life. But imma give it another week or so. See if this works. Then I'm gonna try buying different battery. If that doesn't help, I think I'm going to have to switch back to my Samsung Captivate. I would hate doing this, but this type of battery life is a deal breaker. Today, it was even worse! It lasted me only 9hrs while I was at work, which at least 8 of those hrs it was on stand by!

Sounds like you have a bad battery, bro. I'd get it replaced at the store you bought it from.

dressanderc said:
Sounds like you have a bad battery, bro. I'd get it replaced at the store you bought it from.
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yeah, I'm going to try this on my day off which is on Monday. Also gives me time to test out the other persons suggestion
thanks for your opinions. I'll get back to you guys and see what happens.

My surround - now two weeks old is showing much improved battery life. It didn't make it through a day when I first got it. Part of that was due to my fiddling with it and part due - I think - to the battery conditioning.
Now, it is going a full day on a charge. I am also switching off 3G and on WiFi when I am in my office or home. It is a bit of a pain in the butt and I hope that M$ gives up some APIs soon so that someone - cough Bruce Jackson cough - will write an app. We'll see.

I have noticed that the Bluetooth drains the battery considerably faster. Try turning Bluetooth off when you don't need it.

acur8ly said:
I have noticed that the Bluetooth drains the battery considerably faster. Try turning Bluetooth off when you don't need it.
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I don't use the Bluetooth at all. So this can't be the problem. but thanks anyways. (I might need this information since I was planing on using one in the near future).
So I notice that now, my Surround does get better battery life. (which is absolutely crazy! since now I have the screen brightness on medium and data turn on lol). I guess the battery just needed to be use and charge a bit more. However, I still think battery life could be improved. (hopefully, future updates will teak some system settings that will do this)
I have also decided that I will keep my Surround instead of going back to my Captivate I wish battery life would be better and the OS to be more "open" but truth be told, I fell in love with my phone haha Then when i went back to my Samsung Captivate, it felt weird. Android felt much slower.
So i gave it a little test; I launched messaging, email, music, browser, etc on both phones at the same time. Turns out both of them launch these native applications in the same amount of time.
I guess what makes WP7 fell smother and faster is the (eyecandy) transitions.

think its the battery
ya i have had mine for 2 weeks now and i think the problem is the fact that the battery is a 1230mAh, and we also have a samsung focus with a 1450mAh battery that will last an exra 2-3 hours longer which makes a huge difference! im hoping htc will make a larger mAh battery avaliable, mine will only last anywhere from 5-7 hours from normal use

I just ordered a Mugen 1300mah battery..not *much* more capacity, but hopefully it helps a bit!

if i dont use my surround (like not using too much 3g, wifi, music, gaming, and just normal phone calls and texts) it can last a whole day and probably a lil more, but when i do too much 3g/wifi/gaming/music it drains quickkkkkk.
and i do hope htc will have a larger capacity battery for the surround soon... 1230 is kinda small compare to other phones nowadays..
but still this has much better battery life than my previous phones (diamond2 and touchpro)
i just find myself carrying the usb cable and wall charger alot in my bag :]
and having a car charger is a plus also.

My girlfreind has had the phone since xmas. Initially the battery would lose its charge very quickly. I had her do a bump charge and just let the battery settle in. She can now go up a third day wothout the need for a charge with moderate txt.
Be aware the quick drop whenn taking it off the charger is NORMAL. Read this thread for a discussion of that http://forum.xda-developers.com/showthread.php?t=871051
Sent from my ADR6300 using Tapatalk

Agree - Bad Battery Life - But not as bad as some....
Smart phones, in general, aren't what I would call great at conserving battery life under any condition. Pick any model of high-end smart phone and tell me who can get more than 2 days (using every trick in the book to eliminate unnecessary drain). Yes, this phone is under-powered in terms of only having a 1300 mAh battery when it should have a 1400 or 1500.
Cut the unnecessary stuff when you are not using it - Bluetooth, WiFi, etc.
You can easily get a day + out of this phone with moderate/mixed use (some talking, some browsing, some multi-media viewing). That's pretty good, I'd say (from my relative experience across many different types of smart phones). I just plug it in every night.....pick it up in the morning and go. Haven't had any issues with it running out during the day.
Now, if you are starting first thing in the morning and running movies, have the bluetooth going, the WiFi on........well, heck yes, you are going to have a battery drain problem. If you want to run it that way.....just leave it plugged in.

Has anyone used a Seidio Innocell 1300mAh Replacement battery? Was wondering if it was worth the investment to improve the Surround's poor battery performance.
Thanks,

So...when is someone gonna step up to the plate and improve battery technology? It really sucks that these phone manufacturers are giving us ALL these fancy features that drain the battery and when we complain about having poor battery life they are telling us to not use all those fancy features...kinda defeats the purpose of buying a smartphone, am I right?

guys .. wake PLZ UP ))
1 ghz (1-2 core cpu ) ..
3.8 and more screen ..
DEDICATED GRAPHICS .
OS .
with DIRECTX9 Interface .
and that all spiced up with 1600 ma battery in best case .
and that you wana to run more then 6 hours on full load ? say THX TO MS .. for NON multitask os .. overwise battery life was even more lol then this

dgduris said:
My surround - now two weeks old is showing much improved battery life. It didn't make it through a day when I first got it. Part of that was due to my fiddling with it and part due - I think - to the battery conditioning.
Now, it is going a full day on a charge. I am also switching off 3G and on WiFi when I am in my office or home. It is a bit of a pain in the butt and I hope that M$ gives up some APIs soon so that someone - cough Bruce Jackson cough - will write an app. We'll see.
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I noticed this as well. As time went by the battery actually started to last longer. When i first got it i used it less than i do now and the battery would die before i even got home for work. Now it lasts till about an hour or so after i finish and get home.

does the surround use the same battery as the HTC desire HD?
Theres an ebay seller that is selling a surround battery and wall charger but the wall charger has a sticker that says: For HTC Desire HD

Are these battery numbers normal nowadays? Need opinion/comparison with other users

Help me out here, I think my G2 which used to be a battery champ is now absolutely awful. I don't really know if it's the phone going wrong or my different usage and the way apps might have evolved.
I think the phone is also heating up way more than it used to do. In fact, I never used to notice the phone getting warm at all and never knew what people with SD810 phones were talking about. If I happen to run a game like Boom Beach or Fallout Shelter for 5 minutes, not only the battery suffers a huge drop, the phone gets almost uncomfortably hot (*). These games can kill the battery in 1:30 hours of SOT which I think isn't probably normal.
The numbers I now have to show are of the phone fully charged last night before going to bed, turning the phone off and then turning it on to clean running ups, etc and left idle while sleeping.
Went to bed with a full battery at around 4:30 AM and it's now 15:46 and battery is down to 64%. Turned the screen at 13:00 to see notifications and browse through news, made a single phone call that must have lasted less than 10 minutes. Pictures, although I think they won't help much except for the SOT:
I bought this phone used and I think it was refurbished. Came from Spain (I'm in Portugal) and happens to be an AT&T version. Screen was always a bit dark and a panel that I believe has been replaced. I think the screen is also going, sometimes it won't respond to touches on the far right edge.
I have it running on the official Lollipop firmware that I manually flashed (no OTA here) but I've tried different ROMs to see if they make any difference (Cloudy 2.2 and 3.3., CM13 and Blisspop Marshmallow). They don't, battery behavior is the same, phone heats up.
I need to know if this is normal for you guys still using the phone (software evolves and maybe things are more demanding on this old phone) or if something is wrong with mine. If it is, I need to think about sending it for repair (probably not worth it) or get a new one.
Not the best of times for me to be spending money on stuff like this but I'm really starting not to trust this phone, carrying the charger with me all the time and have a nasty suspetion screen might die for good one of these days.
Any feedback much appreciated!!
(*) Gets hot mainly on the top back, near the camera lens. Sometimes screen gets also hot but I think it might be due to heat transfer from the back.

I would replace the battery. Li-on batteries typically don't last for more than two to three years. Useful life span depends on how deep the average usage cycle is. I typically try to keep them from going below 40%. An old battery that no longer holds a good charge can cause similar problems. Most rechargeable batteries, including lead-acid automotive batteries in general, suffer from deep cycle charging.
My $0.02
Sent from my LG-H810 using Tapatalk

SofaSpud said:
I would replace the battery. Li-on batteries typically don't last for more than two to three years. Useful life span depends on how deep the average usage cycle is. I typically try to keep them from going below 40%. An old battery that no longer holds a good charge can cause similar problems. Most rechargeable batteries, including lead-acid automotive batteries in general, suffer from deep cycle charging.
My $0.02
Sent from my LG-H810 using Tapatalk
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Yeh, I know...
I tested it a bit more and at least now I know it is definitely draining way faster than it ever did and I don't see anything that is especially killing the battery (kept off games that I don't even play so much anyway). Oh well, time for a new one I guess. I have been postponing buying one until all these new 2016 main phones came out and they are all pretty much out already.

After running certain apps, or sometimes after connecting to USB in the car, the G2 will go into an overheating condition, with the battery charge rapidly falling. I just reboot it to clear it, and it's back to normal.

SofaSpud said:
After running certain apps, or sometimes after connecting to USB in the car, the G2 will go into an overheating condition, with the battery charge rapidly falling. I just reboot it to clear it, and it's back to normal.
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Tried that, even made two more factory re-sets. No good, same results... poor thing is going, I'm already convinced of that. It's draining about 1% per minute with screen on, regardless of what I'm doing. About 12% drain with it just sitting on my night table for 6 hours while I was sleeping.
Trying to find a replacement now which is driving me insane.

Kutusov said:
Tried that, even made two more factory re-sets. No good, same results... poor thing is going, I'm already convinced of that. It's draining about 1% per minute with screen on, regardless of what I'm doing. About 12% drain with it just sitting on my night table for 6 hours while I was sleeping.
Trying to find a replacement now which is driving me insane.
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Well, replacement batteries are a lot cheaper than phones. Why not replace the battery, and squeeze a little more life out of it? Would also serve as a backup phone after you do get a replacement.
Sent from my LG-D801 using Tapatalk

SofaSpud said:
Well, replacement batteries are a lot cheaper than phones. Why not replace the battery, and squeeze a little more life out of it? Would also serve as a backup phone after you do get a replacement.
Sent from my LG-D801 using Tapatalk
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I'm pretty sure battery isn't the only thing going bad, screen sometimes doesn't respond or respond weird. Mine is already a refurbished unit that I bought because it was the best, cheapest and quicker to get phone after drowning the one I had before. It's not factory refurnished though, some guy in a shed did it. Worked very well until now though but I prefer just to get something that is new instead of paying for the repair of one thing and having another breaking the week after that.
It's going to be either another G2 (found one that seems to be an unused unit but seller hasn't got back to me yet and it would cost pretty much the same or less than a battery/screen replacement) or I'll just get some other recent flagshipy phone that will allow me not to think about phones for at least the next 3 years. Not really sure what that would be but hey..

Question in regard to degrading 6p battery

Hello to all,
I just purchased a brand new Nexus 6p that was purchased about two years ago directly from Google. The individual bought it but never even opened up the box so the phone has never been used or even turned on until four days ago when I got it. My question is this. Even though it's still a brand new 6p can the battery still degrade even though it has never been used before? My first thought would be no because the battery has never been used meaning no wear and tear to the battery even though it's just been sitting there unopened for two yesrs but then I got to debating this with myself and I just don't know the clear answer. Should I be okay in terms of the degrading battery issue since my battery has never been used before? Any help is greatly appreciated.

Dconn1975 said:
Hello to all,
I just purchased a brand new Nexus 6p that was purchased about two years ago directly from Google. The individual bought it but never even opened up the box so the phone has never been used or even turned on until four days ago when I got it. My question is this. Even though it's still a brand new 6p can the battery still degrade even though it has never been used before? My first thought would be no because the battery has never been used meaning no wear and tear to the battery even though it's just been sitting there unopened for two yesrs but then I got to debating this with myself and I just don't know the clear answer. Should I be okay in terms of the degrading battery issue since my battery has never been used before? Any help is greatly appreciated.
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Battery degradation occurs through it's lifetime of charging cycles due to heat (and chemical changes within the battery). Since your device has not been subject to this, it should be like new. Note there are literally thousands of N6P users who have never experienced battery degradation (or bootlooping). We have 3 in our family and none have been affected. I suggest you just let the phone charge and discharge normally a few times before you start forming any judgement on your battery life or SOT. Install Accubattery and check the battery health after several deep charges. After several full charge cycles, Accubattery will estimate the capacity of your battery vs. a new one (3450 mAh). Enjoy your new 6P. It has been a great phone so far (knock wood).

v12xke said:
Battery degradation occurs through it's lifetime of charging cycles due to heat (and chemical changes within the battery). Since your device has not been subject to this, it should be like new. Note there are literally thousands of N6P users who have never experienced battery degradation (or bootlooping). We have 3 in our family and none have been affected. I suggest you just let the phone charge and discharge normally a few times before you start forming any judgement on your battery life or SOT. Install Accubattery and check the battery health after several deep charges. After several full charge cycles, Accubattery will estimate the capacity of your battery vs. a new one (3450 mAh). Enjoy your new 6P. It has been a great phone so far (knock wood).
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I appreciate the clarification on that. I wasn't sure when the degrading process started on a battery was. I love you this phone. In fact it's my second time owning it and by far it's my all time favorite Android phone I've ever used. I'm glad to know my battery should act as new and I should be okay from the battery issues. I appreciate you explaining in detail to me about what to do and how to check my battery life. I'll download that app now.

v12xke said:
Battery degradation occurs through it's lifetime of charging cycles due to heat (and chemical changes within the battery). Since your device has not been subject to this, it should be like new. Note there are literally thousands of N6P users who have never experienced battery degradation (or bootlooping). We have 3 in our family and none have been affected. I suggest you just let the phone charge and discharge normally a few times before you start forming any judgement on your battery life or SOT. Install Accubattery and check the battery health after several deep charges. After several full charge cycles, Accubattery will estimate the capacity of your battery vs. a new one (3450 mAh). Enjoy your new 6P. It has been a great phone so far (knock wood).
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Okay I just downloaded accubattey. Now once I charge it for a while I will get results about the health of my battery. What do I need to look for that's tells me it's good? Any tips on using the app. So indeed I never should charge past 80 percent? I always have charged to 100 percent so that's going to take some getting used to. Also I don't need to let it drop below 20 percent? Thanks again for your help on this. This is all new to me as I've never had to guard against a bad battery before nor have I ever had one. I hope my new 6p will be okay. So far it's seemed to have kept a good charge but I'd of course like to see it do a little better being that it has a 3450amp battery inside. There have been a couple times of times where it seemed to eat up battery life quickly but I found out I had some apps running in the background such as YouTube once where it consumed 77 percent of the battery overnight once but I have since fixed that. It hasn't happened again so I'm good there. Anyways just curious to know what I need to be looking for on the app. Thanks a lot!!

Dconn1975 said:
Okay I just downloaded accubattey. Now once I charge it for a while I will get results about the health of my battery. What do I need to look for that's tells me it's good? Any tips on using the app. So indeed I never should charge past 80 percent? I always have charged to 100 percent so that's going to take some getting used to. Also I don't need to let it drop below 20 percent? Thanks again for your help on this. This is all new to me as I've never had to guard against a bad battery before nor have I ever had one. I hope my new 6p will be okay. So far it's seemed to have kept a good charge but I'd of course like to see it do a little better being that it has a 3450amp battery inside. There have been a couple times of times where it seemed to eat up battery life quickly but I found out I had some apps running in the background such as YouTube once where it consumed 77 percent of the battery overnight once but I have since fixed that. It hasn't happened again so I'm good there. Anyways just curious to know what I need to be looking for on the app. Thanks a lot!!
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I've always charged my battery to 100% and will continue . I leave it on the charger at the office and home, all night long 24/7. When I leave the house I want to know it is 100%. One thing to note is that you should not take the phone off the charger until the APP tells you it is charged, not the phone itself. You will see current flowing into the battery sometimes 45 minutes to an hour after the phone says 100%. That, and let the phone drain down to below 20% first in order to get an accurate charge measurement. After that you look on the health tab for the estimated capacity. It will be provided in both mAh and percentage. Quick Start guide here.

v12xke said:
I've always charged my battery to 100% and will continue . I leave it on the charger at the office and home, all night long 24/7. When I leave the house I want to know it is 100%. One thing to note is that you should not take the phone off the charger until the APP tells you it is charged, not the phone itself. You will see current flowing into the battery sometimes 45 minutes to an hour after the phone says 100%. That, and let the phone drain down to below 20% first in order to get an accurate charge measurement. After that you look on the health tab for the estimated capacity. It will be provided in both mAh and percentage. Quick Start guide here.
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So you actually charge your battery to 100 percent. I guess I will do the same since I'm used to doing it that way plus I want that extra 20 percent charge. This seems like a really good app. I appreciate you guys on giving me the heads up on it. I downloaded it to both of my devices which my daily driver is the axon 7 mini. That battery isn't the best so maybe this app will help me tweak that battery into keeping a longer charge. I like a smaller device to be my daily driver although for right now my 6p is my daily driver just bc it's new but after a couple weeks I'll swap back over to my axon 7 mini as my daily driver

Dconn1975 said:
So you actually charge your battery to 100 percent. I guess I will do the same since I'm used to doing it that way plus I want that extra 20 percent charge. This seems like a really good app. I appreciate you guys on giving me the heads up on it. I downloaded it to both of my devices which my daily driver is the axon 7 mini. That battery isn't the best so maybe this app will help me tweak that battery into keeping a longer charge. I like a smaller device to be my daily driver although for right now my 6p is my daily driver just bc it's new but after a couple weeks I'll swap back over to my axon 7 mini as my daily driver
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Yeah, I disable that 80% charge alarm first thing. Accubattery is just a tool and it's just giving you an estimate so don't rely solely on it. I will say that after a few full charges it converges to one percentage value and for me that has been enough confidence that my battery is not in a degrading trend (so far). There are a few Accubattery haters out there but it's been a solid tool for me. Enough so to buy the Pro version. Good luck to you.

v12xke said:
Yeah, I disable that 80% charge alarm first thing. Accubattery is just a tool and it's just giving you an estimate so don't rely solely on it. I will say that after a few full charges it converges to one percentage value and for me that has been enough confidence that my battery is not in a degrading trend (so far). There are a few Accubattery haters out there but it's been a solid tool for me. Enough so to buy the Pro version. Good luck to you.
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Much appreciated! Yeah I think I'm going to be fine in regard to my battery. I mean it's brand new so there has been no usage of the battery until as of about three days ago. I'm super excited to have gotten this unbelievable deal I got on my 6p. Never in a million years was I expecting it either. I got in touch with this guy by chance. There was never any intent on getting a brand new Nexus 6p for 150 dollars but by the end of our conversation that's what he offered me. Just a very generous guy.

Battery issues, confused.

6P has been shutting down early for a while now, usually like 10% or less which never really bothered me. Battery life seemed decent, but I never really tracked it.
Last week it started going off at 15-30% at times. But it can be random. Might go below 10% one time, next shuts off at 30%. This was on a prior version of Pure Nexus. So I tried updating to the latest build. First charge it shut down at 40%. Same crap tho, random shut off times. Today it shut down at 48%. By shut down, I mean it just suddenly gives the low battery warning, reports 0% and turns off. Many times I can restart the phone, and it will say like 1-3%, and let me use it for a while before turning off again. This most recent one at the 48% shutdown, I restarted it, showed 1%, used it for a while before it turned off again. Restarted, now shows 18%.
Wtf? Is this just a charge level reporting issue? Tried battery repair/calibration apps/techniques with no success. Nothing looks bad with regards to apps/services draining the battery. I tried accubattery and says I'm at 70% health. Don't even get 2 hours of SOT. Have a replacement battery in the mail. Think this will solve the issues?

It's known issue with some factory battery's for some reason the phone is thinking the battery is low and shutting down even though it's reporting let's say 50%. I didn't have this issue until I bought a cheap replacement would shut down at random percentages especially when opening something power hungry like camera. The only thing you can do is get a replacement and change or send it in to get changed. If you replace it yourself I suggest testing the battery before you put the phone back together. I think the 6p is a great phone and worth it to replace the battery. That just my opinion best of luck. ?

BeavermanA said:
Wtf? I tried accubattery and says I'm at 70% health. Don't even get 2 hours of SOT. Have a replacement battery in the mail. Think this will solve the issues?
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@ 70% your battery has been toast for quite a while. This degradation doesn't happen overnight. If you did your research and purchased one of the "good" replacement batteries from a known good vendor then, yes it will likely completely solve your problem. If you just bought a random battery from Ebay or BFE, then you may have another dud on your hands. Suggest testing the new battery with Accubattery before sealing it back up. Best of luck.

Exodusche said:
It's known issue with some factory battery's for some reason the phone is thinking the battery is low and shutting down even though it's reporting let's say 50%. I didn't have this issue until I bought a cheap replacement would shut down at random percentages especially when opening something power hungry like camera. The only thing you can do is get a replacement and change or send it in to get changed. If you replace it yourself I suggest testing the battery before you put the phone back together. I think the 6p is a great phone and worth it to replace the battery. That just my opinion best of luck.
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Interesting. Did notice a couple of the times it shut down, and it was this last time at 48% as well, was when opening a power hungry game. And yes I agree the 6p is still awesome today, by far the longest I've had a phone. Considered getting the Pixel 2 XL, but it's a waste of money to me if I can get the 6P working well again.
v12xke said:
@ 70% your battery has been toast for quite a while. This degradation doesn't happen overnight. If you did your research and purchased one of the "good" replacement batteries from a known good vendor then, yes it will likely completely solve your problem. If you just bought a random battery from Ebay or BFE, then you may have another dud on your hands. Suggest testing the new battery with Accubattery before sealing it back up. Best of luck.
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Hmm, yeah I grabbed one off ebay. Had over 500 sold though, so hopefully not too terrible, but I will test.
I think it has really degraded in the last ~6 months. Possibly from numerous partial charges? Got a new job in April, and I'm often traveling to different sites only 10-15 minutes apart. During this time plug it into my car for Android Auto.
Thanks for the help guys!

In the same boat (But I have a solution for me)
2 weeks ago I upgraded from a beaten GS6 Edge and I am quite fond of my new phone. However I started experiencing this issue, ignored it for the first week since my S6 at 100% battery would die in an hour or two, if I'm lucky. Then the battery problem became an interest to me. I had read a lot of threads on the issue, some saying its a hardware problem, and some saying just a software bug that hasn't (or can't) be fixed. SOOOO at this point I said screw it and just accepted my phone battery as it is. Installed Dirty Unicorns Rom, messed with settings, and boom a breakthrough (I think). DU has a feature called smart pixels in which to save battery life turns off a percentage of the pixels. Wasn't to fond of this at first, but in order to make my 60 - 70 percent battery last i set it to the lowest setting. Every since then I have had maybe one random shutdown, it's only been a week and a lot could change but for me its working pretty well.
Sidenote: I found that not using camera apps, nor Google assistant had also prevented random shutdowns (this helped me with smart pixels enabled and disabled, if you wanna give it ago on stock)

Hello guys. I am experiencing random shutting downs on my phone too. I bought it in January 2017.
What I have observed and today was confirmed is that I have these unexpected shutting down when I charge the phone with fast charge. Today my phone was at 60% and shut down. When I plugged my phone on the charger, the phone was again at 60%!!! How was it possible? I think the problem might be the battery or the internal controller of the charging system...

MiMix Battery after 3 years of Usage

Hi people!
Ive had the MiMix since Jan 2017 and even today I love its screen and qutie happy with the performance.
However, the only issue that I am now having is that the battery is literally dead'ish of sorts. The battery capacity has literally deminished to 1300mAh and I simply cannot use it as a full day device. So i have to carry around a powerbank and or have it connected to a charger etc..
This is not becuase of the ROM since the battery drain is abnormal even for apps like imgur or reddit.. and youtube drains it completely in around an hour at most..
I have attached the accubattery pics just for reference.
My question is has anyone who has had the phone for a long time experienced any such thing also? or is it just my luck..

same with me..dont worry the charge cycles have affected the battery capacity

I'm running a ROM Resurrection Remix 8.1 since quite some time and battery has always lasted all day long normally, giving around 4h SOT. I have to be careful and check every now and then all the apps I have installed (more than 200). You can select (in Privacy options) which will or won't run in startup and/or in background. I would advise you to leave only the apps you really need to run in startup and background. If your ROM hasn't that option, then look for some app (normally root) that gives you the option.
In my case I'm still happy with everything, design and display is still unbeatable, even camera with gcam is quite good unless there is low light. I'm afraid there is nothing like this phone anymore since there are only phones with ridiculous aspect ratios of 19:9 or 20:9. Too tall to fit in my pockets (more than 16cm) but too thick (less than 8cm) to enjoy videos or reading texts. This Mi Mix has the perfect size and aspect ratio for me and this is something I'll miss a lot whenever I'll have to change my phone.
I think if I were you I'd also consider replacing the battery. Surely you can find somewhere they'll do it if you order a new battery yourself from the web.

Batteria MI MIX
Hi everyone, I too like you are in love with the MI MIX and I can't get another phone. The battery problems I had them too, but I replaced it easily, because the back cover is like that of a phone from years ago. Look on Youtube, there are some explanatory videos.
I bought the battery on e-commerce for 12.80 Euros and replaced it in November 2019.

had my battery changed in early 2019, still working fine until now as my secondary phone. if you are happy with it, get the battery change. it will solve your problem

I just received my aftermarket Mi Mix battery, it claims to be 6000mAh vs oem 4400mAh. So far, couldn't be further from the truth. Will wait a week or so to see if the battery "wakes" up and delivers the goods.
Cheers

Reviving your battery by freezing
The story is pretty much similar with all of you. I own my Mi-Mix since mid 2017 and don't want to replace it. The battery was draining within 15-16h after 3 years with its original firmware, but after I flashed it to the Pixel Experience rom (Android 10) it truly gave it a big hit decaying the everyday battery time down to about 10-11 hours per day under normal usage. The worst part was that by the time the battery was reaching 25-30% the phone almost always, instantly switched off by itself.
When I connected the charger the battery load was jumping from 20% to 30% within seconds which felt wrong; and gave certain proof that the battery was malfunctioning. I didn't want to go back to the old firmware (Android 6) so I decided to face the problem differently. I decided to freeze the battery! I drained the phone completely, removed the SIM card and followed these instructions here:
https://sciencing.com/revive-lithium-ion-batteries-5982537.html
The idea is to put *only the battery* in the freezer, but I carefully wrapped the whole phone, without removing & disconnecting the battery, sealed it in a bag - removed all the air and then sealed it in another bag for extra security. Then, I put it in the freezer. I kept it there for 16 hours (the instructions advised for 24 hours). I then removed it, put it on a paper towel and left it to dry in room temperature for 8h.
Then I recharged the phone and I noticed that the battery wasn't "jump-charging" fast from 20% to 30% like before. I am now using it for my 2nd day. The battery seems much more robust, the phone works definitely better and the charge is still at 80% after 5h of light usage (IM via telegram, viber etc). I hope this will be helpful for any of you who decide to do it.
Disclaimer:
- Please make sure you seal your phone completely before putting it in the freezer.
- Please be sure it is drained from the freezed moisture when you get it out and before connecting it to the charger.
- Please don't blame it on me if your phone breaks down. You're doing this at your own risk.
Finally, I would love your feedback on this.

macsga said:
The story is pretty much similar with all of you. I own my Mi-Mix since mid 2017 and don't want to replace it. The battery was draining within 15-16h after 3 years with its original firmware, but after I flashed it to the Pixel Experience rom (Android 10) it truly gave it a big hit decaying the everyday battery time down to about 10-11 hours per day under normal usage. The worst part was that by the time the battery was reaching 25-30% the phone almost always, instantly switched off by itself.
When I connected the charger the battery load was jumping from 20% to 30% within seconds which felt wrong; and gave certain proof that the battery was malfunctioning. I didn't want to go back to the old firmware (Android 6) so I decided to face the problem differently. I decided to freeze the battery! I drained the phone completely, removed the SIM card and followed these instructions here:
https://sciencing.com/revive-lithium-ion-batteries-5982537.html
The idea is to put *only the battery* in the freezer, but I carefully wrapped the whole phone, without removing & disconnecting the battery, sealed it in a bag - removed all the air and then sealed it in another bag for extra security. Then, I put it in the freezer. I kept it there for 16 hours (the instructions advised for 24 hours). I then removed it, put it on a paper towel and left it to dry in room temperature for 8h.
Then I recharged the phone and I noticed that the battery wasn't "jump-charging" fast from 20% to 30% like before. I am now using it for my 2nd day. The battery seems much more robust, the phone works definitely better and the charge is still at 80% after 5h of light usage (IM via telegram, viber etc). I hope this will be helpful for any of you who decide to do it.
Disclaimer:
- Please make sure you seal your phone completely before putting it in the freezer.
- Please be sure it is drained from the freezed moisture when you get it out and before connecting it to the charger.
- Please don't blame it on me if your phone breaks down. You're doing this at your own risk.
Finally, I would love your feedback on this.
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Wow, this is actually quite intriguing ! I ended up replacing my battery finally a couple of weeks back and have been happy with the phone ever since! I still have the battery that got replaced, so i guess ill try the freezer thing for science's sake

Nearly a month after the experiment, the problem came back with a vengeance. Seems like I got a good month of extra usage without random switch offs and that gave me the opportunity to look for a new phone. I may opt for the battery upgrade after all. Cheers everyone.