[Q] How to fix laggy JB

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navinm_d0

New member
Feb 23, 2014
1
0
I'm using official JB firmware on my GT-I9070 device and its laggy and hangs frequently. It requires frequent restarting and reseting after a short period of usage. Is there any fix for this without rooting??
 

hannez_r

Senior Member
Jul 20, 2013
52
11
My device once had stock JB and it worked well indeed. However, it probably needs time to settle in and will be smoother. Every rom is laggy at the very beginning of usage after flashing.
 

nss357

Senior Member
Jan 8, 2014
298
226
Google Pixel 4a
Root your phone, and flash cocore kernel. Better yet, install HarshJelly, it's a stock based rom. Or any custom rom if you prefer. Nothing much you can do if you don't want to root your phone. Or maybe upgrade your jb firmware to the latest one, LQL

Sent from my GT-I9070 using Tapatalk
 
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ashish.kmc08

Senior Member
Mar 16, 2012
206
32
Hey can anyone provide link to the latest cocore kernel.... M new to this forum
Thanks in advance

Sent from my Nexus 5 using XDA Premium 4 mobile app
 

juanchotazo99

Senior Member
May 9, 2013
284
309
Latest version (9.0) allows CPU overclocking. Your phone may or may not be stable at 1.28ghz, instead of stock 1 ghz.

If it turns out to be a problem, then go back to 8.6, 6.8 is hopelessly old... or just use no frills CPU control to set your cpu back to 1 ghz and enjoy 9.0
 
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yeholipsker

Senior Member
Feb 11, 2014
78
2
Stock 4.1.2 + cocore 9.0 flies...:):):)
Just set your cpu to 1.0
Sent from my GT-I9070 using xda app-developers app
 

meganoobmind

Member
Feb 12, 2014
5
0
Erode
If you want to stick with stock firmware mean root it and uninstall the bloatware comes with stock os. Use the greenify app to stop the unwanted apps running in background.

Or else try custom jelly or kit Kat Rom. Lot of roms available for our model.

Your wish :):)

Sent from my GT-I9070 using xda app-developers app
 

ADR USR

Senior Member
Dec 3, 2011
326
111
Try using JB Stock without SDCARD.
If the problems go away this is the problem.
I suspect that the JB version for SGA has trouble dealing with SDCARD. It is no coincidence that the internal storage has been a priority for several most current devices.
Unfortunately we have very little internal storage.
Advise a SDCARD good quality and good speed.
Also avoid occupy it completely. This goes also for internal storage.

Another good practice is to optimize from time to time the SDCARD.
 

Torado-Net

Senior Member
Jul 23, 2013
129
35
Cyberjaya
Try install google home and feel the difference..its more smooth than touchwiz...

Sent from my GT-I9070 using XDA Premium 4 mobile app
 

ADR USR

Senior Member
Dec 3, 2011
326
111
6.8 works on 3 advance without problems. all others versions lags/reboots etc (for me)
9.0 testing

I use Cocore 8.2. long time without lags, freezes, hangs, etc..
Happened a reboot , but only one in months using normally.
Totally Acceptable.Probably no connection with JB Stock or kernel. But Android itself

Dialer, message, etc..Only replaced and solved.
Stock camera has also worked well. Just always use internal storage and no more problems.

Launcher: "NOVA" . Smooth and without lags.

Anyway, using for months, I have no more complaints about stock JB.

SGA is not the fastest smart and has only 768 RAM, but everything works fine with JB Stock.

Of course I'll try AOSP or CM in final version.
 
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