Galaxy Grand 2 [G7102] Restarting topic

hi all
i have grand 2 [g7102] when you work with it after 3-5 min the phone restarting
it is on android 4.3 , i updated to 4.4.2 but no work , i downgrade to 4.3 again but no work
help me please

Wave y s5380k keeps restarting? - please help. topic

Hello,
to all of you.
I have a Samsung WAVE Y S5380K handset, I use it as my secondary phone, actuallly just yesterday it restarts automatically when I tried to update some widget through wifi connection after that each time when I start this but when the home screen appears it restarts automatically and this continues in a loop, I dont know Is it the appropriate section for this question or not?, but as you know its a quite old phone and also I didnt found any support for this handset as well as for bada os on net, so please reply and give me the solution that what actually should I do? to solve this problem because I have some important data on this handset, please reply.Thank You.
Regards,
MOBILGEEK

[Q] apps, launcher always restarting, slow. any fix? topic

running 5.0.1. Google Now launcher seems to restart all the time, as well as many other apps, and it is running very slowly. I've heard maybe there is a memory leak? Any fix for this?