[Guide] How to fix 4.2 lag

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Hi all,
I recently upgraded to 4.2q on my Nexus 7, and I experienced a lot of lag on it. I was browsing the Internet, and I found this on the internet which has worked well for me, and now I have no lag. I don't know if this has already been posted here.
This is what I found on the internet:


"If you’re one of the poor users experiencing major lag on your Nexus 7 after the Android 4.2 update, here’s what you can do to remedy the situation:

Open your app drawer
Open Google Currents
Click the three dots in the top right corner of the app
Tap “Settings”
Uncheck “Enable Background Sync”
Reboot your Nexus 7

That’s it. You shouldn’t experience anymore lag and you probably won’t even need to reboot. For me the difference was night and day. I went an extra step and disabled the app completely just in case. If you want to disable Google Currents for good measure, you can do so by going into your main Settings menu, clicking Apps, swiping to the All category, clicking Google Currents, and then clicking Disable. (If you do this you won’t be able to use Google Currents anymore, but at least your Nexus 7 will be back to normal."


Hope this helps.

Cheers
Corey

Sent from my Nexus 7 using Tapatalk 2

This fixed the lag issues instantly. Thanks so much!

Sent from my Nexus 7 using xda app-developers app

WOW

really? google currents is what is lagging everyone on 4.2?

thats weird , totally weird to be that reason and....totally weird easy solution, think your gonna get many thanks for this well done for the find!
still on 4.1 here cos heard of laggy issues , when i do update ill remember this though

ps. might be good to let the guys in "androidforums" know too

Could be why I have never seen the lag. I always have Currents sync unchecked in my Google account since I don't use it.

If this really works, it is the most representative of the issue I have with Android. How is a normal user going to monitor all apps and deduce what app or setting is causing the issue. So... does this really work or is it just imagination?

read that this morning on Drippler ... Can't believe thats the fix! haha Thats awesome

I read this on Drippler too, disabled currents background sync, and have noticed the significant improvement. Im surprised there arnt task managers to identify such a promlem. I thought these rooters and flashers could run terminal commands. No one ran ps?

Sent from my Nexus 7 using XDA Premium HD app

thx it works

This doesn't cure lag across the board, I suspect my continuing lag issues are due to having added a user.
Added account for my GF so she could see how nice jelly bean is and that iOS doesn't rule the world, and the more she's used it more laggy my use of n7 has become.
Ok I can fix by deleting it but its quite a serious issue so hope Google fix quick.
Sent from my Nexu

Originally Posted by bkmaracas

This doesn't cure lag across the board, I suspect my continuing lag issues are due to having added a user.
Added account for my GF so she could see how nice jelly bean is and that iOS doesn't rule the world, and the more she's used it more laggy my use of n7 has become.
Ok I can fix by deleting it but its quite a serious issue so hope Google fix quick.
Sent from my Nexu

Wow, you were so lagged that you couldn't even get the "s" in 'Nexus' to register in time for your post.