please help me; my galaxy s duos2 keeps restarting

[AC Question]

i used wiping data but that doesn't made any thing
i can't do anything because the phone always restarting within 15 secnods
i have installed firmware but also nothing happened

 

[B. Diddy]

Welcome to Android Central! When it boots up, does it make it all the way to the homescreen, and then restart again? Is the firmware you installed for this exact variant? Have you already tried a new or different battery?