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Old Feb 16, 2013, 10:48 AM   #1326
onthecouchagain
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Originally Posted by Fireblade View Post
Hmmm kernel in partial wakelocks?
Read the XDA thread, this app is a big deal, helped out a lot of people.
I don't know the app you mentioned, but with bbs you can see partial wakelocks.
It's over a thousand pages.

Argh -- urge to dump Nexus 4 rising...
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Old Feb 16, 2013, 11:00 AM   #1327
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Haha, I didn't mean you should read the whole thread, but only the first post .
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Old Feb 16, 2013, 08:19 PM   #1328
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Originally Posted by onthecouchagain View Post
I've been using gsam battery checker. The culprit for the most wake locks android system, launcher, chrome, and kernel (android os).
Have you tried calibrating the battery? Sometimes, it is just calibration that is out.
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Old Feb 16, 2013, 08:56 PM   #1329
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Have you tried calibrating the battery? Sometimes, it is just calibration that is out.
That's not a calibration issue. That's either a faulty hardware issue, or something he has on his phone. I doubt it's faulty hardware though. Until he actually wipes his device and starts clean, he won't know.

----------

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And why is there still no official change log that details the battery fixes? What is up with google lately and their lack of effective communication...
For one, a change log isn't owed to anyone. If it's provided, then great...but it isn't required. Secondly, the "battery fixes" aren't "battery fixes" in themselves. They are fixes in various areas that translate into better battery life.
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Old Feb 17, 2013, 02:23 AM   #1330
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Is there a good source of objective testing on these sorts of matters for Android? The way to really tell about the extent of any change in battery life would be to have two identical devices other than the OS version, and run them through the same controlled tests. There must be someone who will do this and publish it.
Not really.

Glbenchmark 2.5 app has a battery test option. What it does is runs a hi res 3d environment at full brightness until the battery dies.

This doesn't really prove much though because unless optimizations were made to the CPU/GPU software it will likely be identical between OS versions. It won't tell you if a battery hungry software bug was fixed.
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Old Feb 17, 2013, 12:03 PM   #1331
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Originally Posted by onthecouchagain View Post
It's over a thousand pages.

Argh -- urge to dump Nexus 4 rising...
If you install BetterBatteryStats it will show the process. I have a lot of 'msm_hsic_host' in the Kernel Wakelock section. This is mobile data.

I noticed a significant improvement after installing Franco's kernel.
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Old Feb 17, 2013, 08:42 PM   #1332
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I must admit, the past two days have given me pretty good battery life. I think I can safely say now with personal experience that the battery life has improved with 4.2.2.

Here's two days ago, followed by yesterday's:

Thumb resize. Thumb resize. Thumb resize. (I had just started charging, if you're curious about the charging sign)

Yesterday:

Thumb resize. Thumb resize. Thumb resize.


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Old Feb 17, 2013, 08:58 PM   #1333
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Originally Posted by onthecouchagain View Post
I must admit, the past two days have given me pretty good battery life. I think I can safely say now with personal experience that the battery life has improved with 4.2.2.

Here's two days ago, followed by yesterday's:

Thumb resize. Thumb resize. Thumb resize. (I had just started charging, if you're curious about the charging sign)

Yesterday:

Thumb resize. Thumb resize. Thumb resize.


Image
With 4.2.2, I don't really even concern myself with my battery at all. I only concern myself with making sure it's fully charged at the beginning of the day. From there, I don't worry about it. Where I work, just about everyone either has a Galaxy Nexus or a Nexus 4, and everyone is pretty happy with the battery life increase.
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Old Feb 17, 2013, 09:14 PM   #1334
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With 4.2.2, I don't really even concern myself with my battery at all. I only concern myself with making sure it's fully charged at the beginning of the day. From there, I don't worry about it. Where I work, just about everyone either has a Galaxy Nexus or a Nexus 4, and everyone is pretty happy with the battery life increase.

I'm hoping that'll be me soon. (Too bad no fixes to the slow camera, especially when taking HDR photos.)

All in all though, I think I'm happy with 4.2.2, and certainly happier with the battery life. It's fended off my lust for the S4 for a little bit. Things might change, of course, when it actually gets announced.

Also, I just picked up "last generation's" Retina MBP so... there goes my big tech purchase of the year. I'm more inclined to stick it out with my Nexus 4 till 2014 now.
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Old Feb 17, 2013, 09:19 PM   #1335
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After a full day on 4.2.2, that is 1 day 2 hours, I have 38% battery left. Screen time was at 1 hour, 43 minutes. I put it back on the charger at 38%.
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Old Feb 18, 2013, 02:24 AM   #1336
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+1 here for battery improvement.

It isn't u night and day difference but I am having gains. Would like some more gains though as there are vision kernels + ROMs out there that give 5 hours on screen time.
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Old Feb 18, 2013, 03:42 AM   #1337
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Is everyone noticing a cooler running phone at all? Mine doesn't seem to get half as warm as it used to on 4.2.1.
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Old Feb 18, 2013, 08:49 AM   #1338
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I wish I could say I've noticed any significant difference since upgrading to 4.2.2 but I haven't. Battery might be slightly improved but I was expecting more based on the discussion in this thread.

Still love my Nexus 4 though...
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Old Feb 18, 2013, 08:56 AM   #1339
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Is everyone noticing a cooler running phone at all? Mine doesn't seem to get half as warm as it used to on 4.2.1.
Yes - probably has something to do with the more efficient battery as well. Add me to the list of happy 4.2.2 users - battery life is much improved.
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Old Feb 18, 2013, 09:14 AM   #1340
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I must have been lucky with my Nexus 4 on 4.2.1, I never had battery issues and my battery life seems unchanged with 4.2.2.
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Old Feb 18, 2013, 09:19 AM   #1341
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I did manage to make it thru a whole day on a single charge, with moderate use. Even ended the day with 48% charge left. I like it so far.
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Old Feb 18, 2013, 09:52 AM   #1342
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Originally Posted by ChazUK View Post
Is everyone noticing a cooler running phone at all? Mine doesn't seem to get half as warm as it used to on 4.2.1.
I certainly noticed mine running cooler. I even went to Google Earth - which was an app that ran particularly hot - and got crazy with the zoom, tilt, pan and rotate. That would have turned the device into a toaster before, and it only got moderately warm.

Edit: There's also one definite problem that came with the update - I't flaky serving as a hotspot. I've been get varying connection speeds and occasional dropped connections. I just did a restart on the N4 to try and get it to maintain a connection today.

Last edited by knucklehead; Feb 18, 2013 at 10:09 AM.
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Old Feb 18, 2013, 10:48 AM   #1343
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My Nexus 4 has trouble keeping signal. But I don't know if that's Tmobile or the phone.
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Old Feb 18, 2013, 10:51 AM   #1344
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My Nexus 4 has trouble keeping signal. But I don't know if that's Tmobile or the phone.
Ha - I wish I could help you out there.....

I have AT&T - however, I've had very spotty, weak signal since I moved into my new house.....which is about a mile away from a giant AT&T cell tower......radiant barrier be damned!

I only today found out I could tether on the N4, even with my unlimited data plan so I haven't used that feature enough to know if its better or worse on 4.2.2.

Anyone with tethering experience on the N4 on AT&T with unlimited data.....does AT&T come after you?
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Old Feb 18, 2013, 10:54 AM   #1345
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Ha - I wish I could help you out there.....

I have AT&T - however, I've had very spotty, weak signal since I moved into my new house.....which is about a mile away from a giant AT&T cell tower......radiant barrier be damned!

I only today found out I could tether on the N4, even with my unlimited data plan so I haven't used that feature enough to know if its better or worse on 4.2.2.

Anyone with tethering experience on the N4 on AT&T with unlimited data.....does AT&T come after you?
I've done it is the past and they sent me a nasty letter in the mail. It basically said if I continue to do so they will cancel my service. I was tethering for a solid year before they sent something.
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Old Feb 18, 2013, 10:58 AM   #1346
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I've done it is the past and they sent me a nasty letter in the mail. It basically said if I continue to do so they will cancel my service. I was tethering for a solid year before they sent something.
I understand them doing that for say an iPhone user as the service is blocked unless you call them to add it. However I haven't "jailbroken", rooted or added any software to the N4 to cause it to be able to tether and it is able.

How does AT&T have any recourse here? I'm simply using the phone as it has been designed. If anything AT&T should take it up with Google.....not me.

That being said, I highly doubt I'll tether enough for them to care....just wondered what others experiences have been. Jailbreak tethering is one thing....N4 tethering is different.
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Old Feb 18, 2013, 11:00 AM   #1347
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Edit: There's also one definite problem that came with the update - I't flaky serving as a hotspot. I've been get varying connection speeds and occasional dropped connections. I just did a restart on the N4 to try and get it to maintain a connection today.
I've done around 5 gigs today tethering via hotspot with no issues so far luckily!


Will let you know if I come across any stability issues but all seems well so far.
I'd be lost without this phone and HSPA+
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Old Feb 18, 2013, 11:01 AM   #1348
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I've done around 5 gigs today tethering via hotspot with no issues so far luckily!
Image

Will let you know if I come across any stability issues but all seems well so far.
I'd be lost without this phone and HSPA+
Is that the Google bumper?
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Old Feb 18, 2013, 11:02 AM   #1349
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My Nexus 4 has trouble keeping signal. But I don't know if that's Tmobile or the phone.

I had the same problems with mine using AT&T for awhile until I found out that the 2 different APN settings I found online were wrong. I spoke with AT&T directly and it just happened to be with a guy that had a Nexus 4 himself. He gave me the correct settings straight from his phone, been working fine ever since.
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Old Feb 18, 2013, 11:02 AM   #1350
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Is that the Google bumper?
Yeah. I had fears it'd slip off of any uneven flat surface and the bumper gives it much more grip.
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