[Q] Strange factory reset!!

view story

http://forum.xda-developers.com – Hello again! Once again I come here to ask for your help for a problem. the few days since this part my phone has been behaving strangely. Every day at around 1am in the morning the phone it makes alone a factory reset losing all contacts, calendar entries, messages and call log, forcing me to constantly back up all contacts. The only thing that does not erase are the applications that are on the memory card. What will happen with the phone?? Can you help me? PDA: I9003XWKPK PHONE: I9003XXKPR CSC: I9003XEFKP3 Build Info: Tue Nov 29 14:20:07 KST 2011 Model number - GT-i900 (HowTos)