World First TA-1149 downgrade from android 10 and repair imei

[damond]

1 . unlock bootloader with xtool

1. downgrade using xtool with firmware from Index of /HDM_/
2. ask support for root file and flash it with xtool
3. turn on device and enable debugging, install magisk manager,
4. runn qualcomm emcc, enable diag from android general, click qualcomm partion and select special task, type imei to repair
5. if you want to relock bootloader, run fastboot oem lock-go

9 jun. 2020 12:48:29 - Selected COM:COM61
9 jun. 2020 12:48:29 - Opening Port COM:OK
9 jun. 2020 12:48:29 - STARTING PROCESS, Make Sure Keep Phone Screen UNLOCKED!!
9 jun. 2020 12:48:29 - ** DEVICE READING IN PROCESS **
9 jun. 2020 12:48:29 - Initializing.. OK
9 jun. 2020 12:48:29 - Signature.. OK
9 jun. 2020 12:48:29 - WriteSignature.. OK
9 jun. 2020 12:48:29 - Calculating...
9 jun. 2020 12:48:29 - Hardware : sdm439.g
9 jun. 2020 12:48:29 - Esn : 00000000
9 jun. 2020 12:48:29 - Phone IMEI-1 : 3529xxxxxxxxxx
9 jun. 2020 12:48:30 - Success
9 jun. 2020 12:48:30 - Server Status OK
9 jun. 2020 12:48:30 - Write IMEI ok
9 jun. 2020 12:48:30 - Write UTAG ok
9 jun. 2020 12:48:30 - New IMEI-1 : 3529xxxxxxxxxxx
9 jun. 2020 12:48:30 - New IMEI-2 : 3529xxxxxxxxxxx
9 jun. 2020 12:48:30 - Rebooting Phone..
9 jun. 2020 12:48:30 - !!!Job Finished Successfully!!!