New answers tagged reboot
If you are unable to boot the internal memory and don't have special equipment you are likely going to have to bite the bullet and lose your contacts. I would re-flash the phone in this situation. Hopefully you have been using Android's built in contacts backup. Xperia Tipo Re-flashing
Use Titanium or any other app that can delete system Apps and then DELETE EVERYTHING RELATED TO KNOX (samsung protection crap). The freeze is caused because Knox keeps trying to block SU access and somehow the system crashed and it reboots. I had the same problem and doing this completely stopped both the freezes and the reboots. Of course, make sure to ...
You said that you have some important data on phone. Using "volume up+home button+power button" combination in some phones hard resets the phone. So taking your phone to a service center is a good solution.
Top 50 recent answers are included