Infinity-Box Chinese Miracle 2 How To Repair Reboot | Restart | Freez With SIM Card
1. Remove SIM card from phone
2. Power-On phone
3. make 112 (emergency) call
4. if phone power-off during call this means you must repair phone hardware (RF part)
5. if phone can make a call follow the next instruction:
1. make full flash backup for emergency case (use 921000 speed for fast operation). It's very important step !
2. select "safe" format method
3. make "format ffs"
4. remove/install battery
5. press and hold phone "Power" button during 30-40 sec to make phone Powered-On
if phone Ok go to step-6
if phone still in reboot/restart/freez state: select "complete" format method and go to step 3
if phone still in reboot/restart/freez state: try to use other SIM card, some phones works not good with some SIM cards
if phone can't Power-On: restore original flash backup
if you don't have original backup: write different firmware files with firmware version similar to original
6. restore original imei
7. if phone has touchscreen LCD make calibration: click to LCD corners one by one
if still no luck: check phone hardware (f.e. reball CPU and/or Flash chip)