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Help Samsung Galaxy 2 gone crazy/battery issues?

luckutis

Lurker
Hello everybody,

I was wondering if anyone could help me...

I have Samsung galaxy s2 for about 6 months and recently it has started doing some weird/crazy things:

1. yesterday, my s2 screen was keep lighting up and down for few times when it was idle. And that I was experiencing all day.
2.Then another moment: when I pressed "Home" button and swiped to unlock it was keep showing me "complete action using with.." also a lot of times.
3.Then I also noticed, that when I tried shut down my s2, sometimes it rebooted instead of intended action.
4. In addition, I noticed that my S2 doesnt charge using wall charger, just no reaction. Afterwards I tried to connect it to PC, but it was the same - no respond. However then I tried few times to plug in and plug out using wall charger till it finally started charging. Everything happened when battery was quite low ~10%.
5. when the phone was fully charged, I tried all these things once again: to plug in and plug out using wall charge to see if it reacts and the same with PC. The results were that sometimes S2 recognises/reacts, sometimes not. And even one time the battery bar on the top right of the screen started to blink.

So I was experiencing all these things yesterday, today have only left points 3 , 4 , 5.

Anyone experienced something like that and knows how to fix it?

Would be extremely grateful
 
Which firmware are you on and have you recently updated? Have you added any new apps, launchers?

If you're on a custom firmware it could be related to that particular build and any bugs pertaining to. If you are using stock firmware for your device, then sounds like a backup and factory rest may be of use as you have multiple issues which may or not be connected. Piecemeal troublshooting would be difficult and time consuming.
Either way I think you need a reset to see how the hardware stands on a clean setup.
 
Android version 4.0.3 . Baseband versio I9100XXLPX.

Factory rest is : Settings/back up and reset/factory data reset , right ?
 
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