solution for phone with BGA or no BGA chip
you need :
- 1 dead phone and 1 worked phone
- hot air station and soldering station
- PC with cable with external power
- software use WinMoDo with main and language pack
- microscope (optional, but recomended)
Steps :
- desolder from bad phone flash chip
- desolder from good phone flash chip
- solder in BAD phone works flash chip
- connect good phone with cable to PC
- run WinMoDo with GANG mode
- starting upload
- when you see in LCD : Flash loader - disconnect cable from phone
- in display you see Flash loader and phone frezee
- phone in FLASHING MODE !!!!
- YOU NEED DESOLDERING FLASH CHIP FROM WORKED,
POWERED AND FREEZED in flash mode PHONE !!!!!!!!
CAREFULY !!!!!!!!!!!!!
- DESOLDERING GOOD FLASH CHIP from BAD phone (phone still avaible in flash mode)
- SOLDER BAD FLASH CHIP in BAD PHONE
- PHONE STILL in FLASH MODE
- connect phone with cable to computer
- press OK
- you see uploading process - erasing 7-10 minute and flashing
- :-)) smile
P.S. use Winmodo with option writing BOOT, MAIN and LP flash
WARNING !!!!
if you lost original flash chip , you lost eeprom area !!!!!!!!!!!!
and when you solder another flash chip, repeat repair procedure
and power on phone - phone no powered !!!