Samsung Rex 70 S3802 hard reset
Warning :- By performing a hard reset will delete and wipe all of your personal data ( Contacts, Sms , Messages, Notes ) So we highly recommended to backup your important data and take the SD Card out from phone before performing hard reset.Take out SIM card And Sd Card before full reset.
1. Go to dial pad and type *2767*3855#
2. And Type Your Security Phone lock Number
3. And Conform ( Your default security phone lock code preset 00000000 / eight zeros )