Xiaomi Mi2 Battery life better on JLB instead MIUI...

[mymellowman]

I confirm .with the extended battery I managed to 24.5 hrs of heavy usage, 4 mail acc, facebook ,Skype, all synced, all on aka WiFi,data,GPS, many boots ,watch HD avatar movie thats 3 hrs display time just there, I am well impressed, it can't get any better that this.... I am running 3.1.25 by the way with CTR . 3.2.1 doesn't do SMS rotation for some reason ,that's why still with 3.1.25 but nevertheless I am very happy with it!!!

Sent from my MI 2 using Tapatalk 2

Are you running Xiaomi 3.1.25 or Miuiandroid 3.1.25?

 

[boojay]

My last two runs with the 3120 mAh battery, I got 15h (5h on screen) 14% battery left and 20h (5h on screen) 10% left.

Both were mainly Wi-Fi and normal performance.

Swyped from my Mi 2

 

[boojay]

Here are screen caps:



Swyped from my Mi 2

 

[mymellowman]

My last two runs with the 3120 mAh battery, I got 15h (5h on screen) 14% battery left and 20h (5h on screen) 10% left.

Both were mainly Wi-Fi and normal performance.

Swyped from my Mi 2

Are you still on JBL 7?

 

[boojay]

Are you still on JBL 7?

No, had to ditch it. I was actually getting slightly worse stats and a few things weren't syncing properly so I came right back to MIUIandroid. I'd like to get same numbers as Melvyn Ong, but alas, it wasn't meant to be. I'm still pretty happy though.

 

[bako.li]

Are you running Xiaomi 3.1.25 or Miuiandroid 3.1.25?

Its Miuiandroid 3.1.25 , u can install it from Roms section ! At the moment I am on 51% battery, running just over 24 hers, in normal mode with the same usage I state above apart from the movie watching... that's pretty impressing by anyone's understanding...

Sent from my MI 2 using Tapatalk 2

 

[bako.li]

Its Miuiandroid 3.1.25 , u can install it from Roms section ! At the moment I am on 51% battery, running just over 24 hers, in normal mode with the same usage I state above apart from the movie watching... that's pretty impressing by anyone's understanding...

Sent from my MI 2 using Tapatalk 2

Quick screenshot for ur ref...

Sent from my MI 2 using Tapatalk 2

 

[mymellowman]

Its Miuiandroid 3.1.25 , u can install it from Roms section ! At the moment I am on 51% battery, running just over 24 hers, in normal mode with the same usage I state above apart from the movie watching... that's pretty impressing by anyone's understanding...

Sent from my MI 2 using Tapatalk 2

Thanks - This currently what I am on and has been treating me very well. I should be receiving my 3100 today or tomorrow. While I've been pretty impressed on the stock battery, I'm excited to see how far I can take this with the extended.

Now if someone would work on some cases for the extended battery.....

 

[bako.li]

But there is 1 down side I must say.

It takes very long to charge . It turns back around 10% for 1 hr charging time. thats bad...

I am charging it trough data cable from my laptop , that could be the only reason I can think of,

I will try to charge with wall charger and will report back with charging time . I really hope will be better because the way I do it now(via laptop) charging time is ridiculously long and very unproductive ... must be honest !

 

[boojay]

Quick screenshot for ur ref...

Sent from my MI 2 using Tapatalk 2

I find I'm getting about an hour every 2% as well, if I don't use my phone much. If I left it alone altogether, I'm sure it would last over 2 days, and that's on normal mode. I imagine I'd be able to squeeze in possibly 3 days or more on power saving mode or if I turned off some functions like WiFi, 3G, GPS, etc., which I leave on all the time.

But there is 1 down side I must say.

It takes very long to charge . It turns back around 10% for 1 hr charging time. thats bad...

I am charging it trough data cable from my laptop , that could be the only reason I can think of,

I will try to charge with wall charger and will report back with charging time . I really hope will be better because the way I do it now(via laptop) charging time is ridiculously long and very unproductive ... must be honest !

The USB charge is why it's so slow. I find mine charges decently fast via the normal wall adapter. I charged it at 24% yesterday (the regular battery) and it was done in about 2 hours or less. Right now on regular battery, sitting at 41% left 16h (but only 2 hours on screen).

Thanks - This currently what I am on and has been treating me very well. I should be receiving my 3100 today or tomorrow. While I've been pretty impressed on the stock battery, I'm excited to see how far I can take this with the extended.

Now if someone would work on some cases for the extended battery.....

That would be sweet! I think you will love the extended battery. It's nice knowing you have that extra bit of juice to last you. I also like how having the two different covers makes it feel like I own two different phones. Sure, the bigger case isn't pretty, but if they made it a bit more attractive and it didn't cost too much, I'd consider getting one.

 

[mymellowman]

I find I'm getting about an hour every 2% as well, if I don't use my phone much. If I left it alone altogether, I'm sure it would last over 2 days, and that's on normal mode. I imagine I'd be able to squeeze in possibly 3 days or more on power saving mode or if I turned off some functions like WiFi, 3G, GPS, etc., which I leave on all the time.



The USB charge is why it's so slow. I find mine charges decently fast via the normal wall adapter. I charged it at 24% yesterday (the regular battery) and it was done in about 2 hours or less. Right now on regular battery, sitting at 41% left 16h (but only 2 hours on screen).


That would be sweet! I think you will love the extended battery. It's nice knowing you have that extra bit of juice to last you. I also like how having the two different covers makes it feel like I own two different phones. Sure, the bigger case isn't pretty, but if they made it a bit more attractive and it didn't cost too much, I'd consider getting one.

Agreed - I currently have a blue IMAK Cowboy quicksand case that I love (especially against the white back cover of the phone) - I would definitely buy one if they created it for the extended battery.

 

[jaypop]

I've noticed that overnight JLB 7 has far more and far longer wakelocks than 3.x.x / JLB 10 / JLB 11, but the battery life is still lightyears better (a couple % drain instead of 40%+ drain). I haven't installed betterbatterystats to figure out why that is yet.

 

[Melvyn Ong]

Actually, I don't understand why some of you are getting bad battery from JLB 7.0.. I have a screenshot here.. whereby although I hardly use the phone that much, but I managed a 2 hour screen time with more than 3 days standby (WiFi, 3G, GPS, Bluetooth enabled). Even if I do use the phone a lot.. I can easily get over 4 hours of screen time with auto brightness and "normal" power mode. This is with 2000mAh battery.. I can't wait to get my 3100mAh battery and see what I can get.

 

[jaypop]

Yeah, confirmed - JLB 7 appears to sleep less than JLB 11, even though WiFi is only turned on when needed in JLB 7, but it only drains ~1% instead of 40%+ overnight. I really hope these posts will help someone get this fixed (or just revert the kernel to Dec 26)

Awful, awful kernel battery drain in JLB 11:
http://miuiandroid.com/community/threads/new-jlb-11-0-and-stock-qcs99-roms.19546/#post-154019

Attached in this post is the fantastic JLB 7:
(I don't plan on testing it, but based on my run last night, I could easily get 8+ hours of screen-on time, or at least 7 hours of h264 video... using the default 2000 mah battery)

 

[KlotziDotCom]

Yeah, confirmed - JLB 7 appears to sleep less than JLB 11, even though WiFi is only turned on when needed in JLB 7, but it only drains ~1% instead of 40%+ overnight. I really hope these posts will help someone get this fixed (or just revert the kernel to Dec 26)

Awful, awful kernel battery drain in JLB 11:
http://miuiandroid.com/community/threads/new-jlb-11-0-and-stock-qcs99-roms.19546/#post-154019

Attached in this post is the fantastic JLB 7:
(I don't plan on testing it, but based on my run last night, I could easily get 8+ hours of screen-on time, or at least 7 hours of h264 video... using the default 2000 mah battery)

Question is: Did you have Auto-Sync on?

The german community i'm in is currently trying to figure out where exactly the problem is, we get tremendously different stats with similar roms, but apparently, it has a lot to do with 3G and synching.

 

[jaypop]

Question is: Did you have Auto-Sync on?

The german community i'm in is currently trying to figure out where exactly the problem is, we get tremendously different stats with similar roms, but apparently, it has a lot to do with 3G and synching.

Currently on JLB 7, I have sync on for an IMAP email account, as well as Browser/Calendar/Contacts with my Gmail. (I am not syncing email with my Gmail address.)

I get 3G / H+ coverage depending on where I am outside. Inside, I am using a microcell for coverage, as my Mi 2 struggles to get signal otherwise (fault of the building, not the Mi2 - although my nokia symbian does better). I don't turn off Wifi or Data when going to sleep (as my pictures show, I've never had poor signal overnight due to the microcell, nor do I get battery drain in JLB 7, so no need to turn it off)

 

[KlotziDotCom]

It's pretty weird, as long as 3G is turned on, my battery life is less than 20 hours (MIUIAndroid 2.12.21, which is based off the JLB7.0, kind of).

From what I can see so far, it heavily depends on your provider as well.

 

[jaypop]

It's pretty weird, as long as 3G is turned on, my battery life is less than 20 hours (MIUIAndroid 2.12.21, which is based off the JLB7.0, kind of).

From what I can see so far, it heavily depends on your provider as well.

Have you installed BetterBatteryStats to see what "msm_hsic_host" is doing in the kernel?

Also what kernel is 2.12.21? (I'm hopeful that the battery life issues is not related to MIUI, but to the kernel.)
JLB 7 kernel is ge78e751-00663-ge1b70f8 built on Dec 26.

 

[KlotziDotCom]

jaypop, I think you should PM me about this - I have no clue about BBS and everything, but I'm very interested in learning it to find out more.

Thanks!

~ Klotzi

 

[boojay]

Actually, I don't understand why some of you are getting bad battery from JLB 7.0.. I have a screenshot here.. whereby although I hardly use the phone that much, but I managed a 2 hour screen time with more than 3 days standby (WiFi, 3G, GPS, Bluetooth enabled). Even if I do use the phone a lot.. I can easily get over 4 hours of screen time with auto brightness and "normal" power mode. This is with 2000mAh battery.. I can't wait to get my 3100mAh battery and see what I can get.

That is intense. I got about 31 hours and 5.5 h screen time on my last 3120 mAh battery charge and I thought that was pretty good. I'm on MIUIandroid though.

Aside from the differing apps and usage habits we're bound to have, our carriers may play a role as well. I'm on Bell from Canada and noticed I don't always have the strongest signal, although I haven't had any issues with calls. Where are you?

 

[orenlevy]

3G DATA IS THE ONLY PROBLEM
i checked in all forums and my mi2 the drain battery is when 3G DATA ON AND WIFI OFF
regardless account Sync or other apps ..
simply try it on wifi i can manage 30H 3H talk no problem all Sync working
on 3G only 6-8% battery on Hour even idle seems there is a problem with DATA MODEM DRIVER OR HARDWARE!
oren

 

[jaypop]

I have both Wifi and 3G data on and I have fantastic battery life in JLB 7...

 

[goblin08]

I had good battery life with miuiandroid 3.19.1 and 3.25.1 too, not so good with 3.1.2 (didn't flashed last release yet)

 

[orenlevy]

I have both Wifi and 3G data on and I have fantastic battery life in JLB 7...

as i said only 3G DATA on WIFI OFF then there is a problem.
or there is no wifi in range

 

[Loopins]

I've had massive drain for about a week. My phone had wifi on at home and no other data turned on. But since I have upgraded to 3.2.8 my phone has better battery life for some reason. Now the only thing I have also done since then is removed Go SMS. But go SMS never registered under the battery drain listing before. Did they do a stealth fix or am I just lucky?

Loop