A Lil trouble!

Hi there, recently i got a trouble with my G PRO E980, two weeks ago it begone to restart frecuently, i pull the battery and put it again and boot normal but in the mai screen go stock and restart again and again... in others wolrds, power is keep and off it own.
could some one help me with this please?

Battery TROUBLE

Hi
My phone has been acting weird!
When I remove the charger, the battery icon starts flashing, and it says" charging" !!!
but then the battery discharges very quickly.
When I press on *#*#4636#*#* to check battery status, it says that the battery status is good !
So I don;t know what to do:rolleyes:

Samsung SM-G900T Network trouble

Hi,
I've got a Galaxy S5 from USA,T-Mobile version SM-G900T.If i'm going into my home in Poland he losts network.I don't know how to fix this problem.My Sim Card is from Orange but on notification panel i see "(searching)" but sometimes it changes into "Orange"Everyone in my family don't have problems with network range.Please help :D

my s4 m919 having trouble restarting

my case is the following recently purchased a Samsung s4 SGH-M919 but the phone every so often friza me and restarted only when it is connected to the charger and if not is also connected Friza and the screen turns off and have to tighten button on / off a while and then turn it back .. and started to turn back time and misconfigured and does the same thing constantly, not problems that can be restored cell and the factory and will even reinstalled the system and the problem still continues .. aid ... if anyone knows how to fix something. . Thank you!!!!