2013 Lollipop Performance - Nexus 7 General

I saw the Lollipop performance thread, but it seemed mostly focused on the 2012 model, so I wanted to start a thread to air out some issues I'm having on the 2013 OTA. I sideloaded the OTA, and my tablet is encrypted, which may be contributing to these issues, but I have to say that performance is poor, bordering on abysmal.
I see stutters and lag all the time, even on the simplest tasks like drawing the notification drawer animation. Actions like returning to the home screen are brutal and sometimes take measurable time. Sometimes apps just slow to a crawl and the tablet seems to lock up for a bit before it figures out what it was doing.
And over the last two days, I've noticed completely brutal battery performance, including this garbage:
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That's a day of the tablet sitting on my bed not being used. I think there was 35 minutes of screen time. The battery stats are useless: 11% Android OS and that was the highest. Nothing else, no miscellaneous or anything like that.
I just cleared my cache partition, but it's still being sluggish. Any ideas on what the hell is going on here? It feels awful and the tablet was really pretty damn decent before this update. The battery life was just fine: 85% or so if I came home from leaving it on the bed all day.
Likewise, are there any better battery stat apps I can look at that can help me get to the bottom of this? It feels like bad battery and bad performance could easily be related if something is grinding in the background and keeping a wakelock active and I have no idea.
Anyone else having an awful time of 2013 5.0? Anyone see a performance increase?

Seen the Nexus 7 2013 forum?
If not, try it out.
From the planet Compact

By way of an update, clearing the cache and a reboot seemed to have helped significantly. The weird battery drain is gone, so that might have just been a runaway process or something, and the overall feel of the tablet is back to being much snappier.

Dont know why i didnt think of clearing the cache. Performance is where it chould be now. Thanks!

Related

Poor battery life

My device is not very old. It's about 1 year now and battery isn't as good as it used to be. When I got it after school I had minimum 50% no matter what I've been doing and atm it's 24% which is disturbing.
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Any tips/ideas what to do?
olokos said:
My device is not very old. It's about 1 year now and battery isn't as good as it used to be. When I got it after school I had minimum 50% no matter what I've been doing and atm it's 24% which is disturbing.
Any tips/ideas what to do?
Click to expand...
Click to collapse
Check for battery health in 7378423 to see if it had any wear out in battery capacity. Mine is 31460 (1+ year, when buy it is 32000, Sony is always add more to make the battery last longer )
And check for any apps that run out of battery, malware too (There are some Android malware which mine Bitcoin/Litecoin and make phone hot and run out of battery)
Also check your kernel setting or reflash ROM if nessesary.......
Mine is 1,5-2 day battery life with typical behavior.......
Well, my battery says 31440 when at 86% of charge. I haven't got many wake locks in betterbatterystats either so I'm not sure what could be the cause. I'm on stock kernel. Thanks for the heads up on that mining malware. I had no idea it went over to mobile devices. My phone actually gets a bit hot after some regular usage, but nothing out of ordinary I guess. I did lots of mods to the stock rom on my own so I'm not that keen on reflashing. I'd rather find out what could be the cause of that poor battery life and fix it by myself.
Any other suggestions and things to try?
You can reinstall your Firmware, and see if the battery life would be better. And my Wakelocks have i solved with the App DS Battery Saver.
Strangely enogh my battery was at 2880 after only 140 charge cycles.
Then by accidient it deep discharged (problems with not charging, hard reset etc. until it was fully 100% dead) and now is back at 3130 with only the first charge cycle counted as 1.
Not the case here since your's has a good number, but I wanted to add this information.

Play services 7.5 drains battery

Hey guys, my Moto X used to be able to get OK battery,but since the 7.5 update, I lose 15-20% over a five hour period, which is quite disappointing. any fixes?
AB__CD said:
Hey guys, my Moto X used to be able to get OK battery,but since the 7.5 update, I lose 15-20% over a five hour period, which is quite disappointing. any fixes?
Click to expand...
Click to collapse
Please share some screenshots from gsam or something like that
Sent from my XT1095 using XDA Free mobile app
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All of a sudden for me too, GPS is now eating up to 15% of my battery and the Android OS is at 11%... I noticed this this morning. The only thing I installed last night was Greenify...
Quite similar to what I have. Android system and Android os always on top
Sent from my XT1095 using XDA Free mobile app
This is new for me. I normally have pretty crap battery life but services and OS are normally never this high. The battery on my phone is so hit or miss. It 's behavior seriously changes daily. I don't get it.
Obeyryan said:
This is new for me. I normally have pretty crap battery life but services and OS are normally never this high. The battery on my phone is so hit or miss. It 's behavior seriously changes daily. I don't get it.
Click to expand...
Click to collapse
By the way, it got me to 8.30pm yesterday before I had to charge. As bad and inconsistent the battery is, at the very least I can say it gets me to dinner without too much babying. I'm just concerned when it drains much quicker than usual which means I can't use it as much for it to survive.

[Q] Battery concerns before buying

Hello fellow Moto X users! I want to buy a Moto X 2014 Pure Edition. Since this is my first smartphone, I have read several reviews online as well as the reviews of the people who have bought it from the online store. The phone looks great on paper except the battery, but since the software is optimized and mostly stock, I believe the battery is finer than those of pesky Samsung phones. I do not want to spend too much, neither do I have a taste for skinned Android experience.
There's one issue though, I haven't been able to get a clear picture of what the smartphone's battery is like. Some websites like GSMArena have claimed the web browsing time to be 9+ hours on Lollipop, while some other discussions on reddit point out to screen on time of 4-5 hours. I need help because this is the only great device I can buy for the limited money I can spend.
I request someone on the latest Lollipop firmware to post statistics of their battery life. If you can show me the variation of battery over WHOLE 24 HOURS with Screen ON Time over that period, I'll be very happy. I expect this phone to provide me 4-5 hours of screen on time over 18-24 hour period.
Thanks.
BUMP!
ANYONE? Please? Just a screenshot of screen on time and overall time?
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Not much to go by really. When I was working I had wifi on 24/7. The 5h+ SoT is purely on weekends when I just read on it, not doing anything else.
And I were you, I'd wait till Aug-Sep when Moto X 2015 comes out (has a 3400mAH~ battery). Other than that with mixed use of reading, tapatalk, spotify, web, mail checking and skype I'd reach around 5hrs of SoT by the end of the day.
Edit: I use Temaseks CM 12.1 set at 380 DPI. Stock ROM lacks the customization for my taste.
update: this was from the CM 12.1 Temasek build from 0530
This was done with reading on fanfiction reader only, nothing else.
Sent from my victara using Tapatalk

Kernel OS And System Server high battery drain

guys ever since the update, i've had a horrible battery life because of kernel and system_server processes. Does anyone knows whats the cause or how i can fix the issue, i've tired "Wake Lock Detector", "GSAM", everything i can think of, even "show CPU" in the developer option, i cant seem to find the cause of the issue. if nessary ill add pictures to show the results that am getting
sorry, completely forgot to mention that am using a S5 Active(G870A) and updated to 5.0 (OC5) using @muniz_ri version http://forum.xda-developers.com/att-galaxy-s5/general/how-to-update-to-g870aoc5-5-0-keeproot-t3083841
If screen is on alot not much help here; However, I am using my deductive reasoning & will suggest deep sleep battery saver. Makes my phone stay in the 90%s if my screen is off awhile. Firefox beta uses battery until you physically exit out I've learned. Last thought for now, kernal tuner. Put 1 CPU governor to powersave. Not sure if it matters which? Mine is CPU1. Hope it helped.
My Samsung S5 Active. Yes I read pages. Thanks
I wish it was the screen but the screen only takes up 3% of battery usage while android OS and kernel takes up about 50% combined and I have no idea what to do because "show cpu" state that system_server and media server is the culprit
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guys I honestly don't know what else to do anymore
Can anyone give me a little bit of in site as to what I can do to stop this?
Rvshan said:
Can anyone give me a little bit of in site as to what I can do to stop this?
Click to expand...
Click to collapse
Install better battery stats and get an idle dump so we can see what the exact issue is.
Sent from my Galaxy S5 using XDA Labs

Overall quality of the Note9

Hi all
I'm fairly new to XDA and this is my first post so go easy on me plz So i preordered the note9 and ever since i've had it i've had nothing but issues with the device. First, it was the camera unit buzzing and struggling to focus. I took it in to my nearest Samsung store and well... the overall ordeal was unpleasant. I was in and out of the Samsung store 4-5 times in a month and it took 10 days for them to come to a resolution, but thats not the point. After i had the phone repaired, 2 days later my S-Pen broke. I was taking it out and only the clicker part of the pen came out. Instead of taking it up with Samsung and wanting to avoid having to leave my phone at Samsung again for 'inspection' i decided to fork out the dough and purchase a replacement S-Pen. Now, my phone is exhibiting signs of either burn in or display uniformity. It is extremely visible, when displaying dark images and considering i use 'night mode' indefinitely its really hard to avoid. I even notice it in the Game launcher, notifications tab, settings menu, even in games and apps such as spotify or Youtube.
It really sucks having paid $1500AUD :crying: for a phone that severely lacks quality. I just wanted to know what your experience with the Note9 has been and if you're experiencing the same issues as me. What course of action should i take? I really want to demand a refund.
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The only issue I have had so far is in relation to video calling. I'm not sure about the built in video calling, but when using FB Messenger or Google Duo, it is extremely poor quality, and eventually drops the call, disconnects data from the network and refuses to reconnect it for at least 15 minutes. Verizon can send diagnostics to the device and they say it still has a "background" data connection, but that doesn't really help me much. This has been occurring as long as I've had it. Even after flashing multiple OEM's, resetting things, etc. Only thing to do is have it replaced, but since the back has scratches now, it has to be through insurance. Other then that, there have been no problems.

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