HTC Touch Diamond Smartphone "deleting contact blue phone" Questions

...PHONE MODE. THE SCREEN COMES UP WITH A RED,GREEN,BLUE AND WHITE BANDED SCREEN WITH DIAM130 64M SPL-1.38.0000 MICROP-DIAM (LED) V11 IN THE RED SECTION PSOC-DIAM STAGE_PVT V0X32 AND SERIAL IN THE WHITE ...

how to format phone For soft reset type *#7780# For hard reset type *#7370# and if it ask passcode enter the passcode as 1234 as default.Please backup all your data if you performing hard reset ...

how to format the phone For soft reset type *#7780# For hard reset type *#7370# and if it ask passcode enter the passcode as 12345 as default.Please backup all your data if you performing hard reset ...