Try Step By Step... 1 Unlock bootloader 2 Backup NV file for any problem fix 3 Model select its very important if you not select model then IMEI repair will be failed. if this method not work for you then hardware method you can search on google. you need to remove resistor and after then you can repair your IMEI With Any tool not only UMT, you can repair it with free tools also
Same imei after repairing with umt
Try Step By Step... 1 Unlock bootloader 2 Backup NV file for any problem fix 3 Model select its very important if you not select model then IMEI repair will be failed. if this method not work for you then hardware method you can search on google. you need to remove resistor and after then you can repair your IMEI With Any tool not only UMT, you can repair it with free tools also