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Black screen and freeze after exiting any app

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iiiNSANE
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Default Black screen and freeze after exiting any app

Hello,

My Glaxy Note 3 is having hard times these days. I get black screen after exiting any application. And when the black screen appears, the phone is not responding for couple of seconds. Even the left and right sensor kes are not responding.. Also the home screen stops responding and crashes.
I can only say that everything started after i updated to kitkat.. Since hen my phone is slower..

Note 3 International
KitKat 4.4.2
Kernel version 3.4.0. - 340325

Please help me solve my problem because the performance of my note is ridiculous..

Thank you in advance!
 
Killberty
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Do a factory reset or reflash stock.

Sent from my SM-N9005 using XDA Premium 4 mobile app
 
iiiNSANE
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Quote:
Originally Posted by Killberty View Post
Do a factory reset or reflash stock.

Sent from my SM-N9005 using XDA Premium 4 mobile app
What will happen after factory reset?
Do i need to backup files (books, pictures, music)
And do i need anti-virus app

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Killberty
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Back up your internal storage (connect to pc, crtl-c ctrl-v)
You can backup your app data with helium

I dont use one and i dont know many who do use them, if you have much sensile data, u might want to get one.

Imo a anti virus app is only useful if you are rooted, so the antivirus app has more rights than usual apps. If u r unrooted and the antivirus has same rights as maleware apps its kinda useless

Sent from my SM-N9005 using XDA Premium 4 mobile app
 
iiiNSANE
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Quote:
Originally Posted by Killberty View Post
Back up your internal storage (connect to pc, crtl-c ctrl-v)
You can backup your app data with helium

I dont use one and i dont know many who do use them, if you have much sensile data, u might want to get one.

Imo a anti virus app is only useful if you are rooted, so the antivirus app has more rights than usual apps. If u r unrooted and the antivirus has same rights as maleware apps its kinda useless

Sent from my SM-N9005 using XDA Premium 4 mobile app
Thank you very much
The device is not rooted, yet. Once i know the best way to root it, i will
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