i got same prob with u but on my samsung galaxy mega. maybe its a different device but maybe it can help. to fix it u should factory reset / software reset to ur phone cause if u root ur phone the software of the phone get damaged. first u should have 70% more battery if u dont no ur battery just charge it for 2 hour. then turn off ur phone (if ur phone still stack on the samsung logo just press power button until ur phone turning off). then just like u root ur phone go to recovery mode (in my mega press vol + and home button at the same time for a few sec). then use ur vol to search factory reset / wipe data. then press ur home button. after a few sec its ready then choose reboot system now. sry for my bad english cause im indonesian. i hope u can fix ur phone.