How to repair Imei? There are several Imei repair methods, if one method failed you need to use other method.
How To Enable COM PORT For Imei Repair Procedure:
1. Power-On phone
2. Enter one of the next codes (try one by one):
*#110*01#
*#3646633#
*#3338913#
*#42253646633#
*#0966#
3. enable COM port: -> Device -> Set UART -> PS -> UART1/115200
4. be sure that phone not in "sleep" mode, LCD light must be On. If LCD is black, shortly press phone "Power" button
5. write Imei
Method-1:
use it as a first step to repair Imei
cable: use Rx/Tx/Gnd cable or original USB cable from phone package
1. set Imei method to "mode-1"
2. press "Write" button
3. in case of connection problems try to enter in phone service menu and enable COM port according to the next instruction.
Method-2:
use it as a second step to repair Imei
cable: use Rx/Tx/Gnd cable
1. set Imei method to "mode-2"
2. press "Write" button
Method-3:
use it as last step, also good method for 2nd CPU Imei for Dual-SIM phones
cable: use Rx/Tx/Gnd cable
1. set Imei method to "mode-3"
2. press "Write" button