I did try via adb , DT Pro gives notice that operation is complete but imei still not repair
Here is log :
26. 11. 2021 14:47:06 - Checking operation ...Ok
26. 11. 2021 14:47:06 - Checking Server...
26. 11. 2021 14:47:06 - Sinc...
26. 11. 2021 14:47:06 - Connecting to server ...OK
26. 11. 2021 14:47:06 - Authorizing...OK
26. 11. 2021 14:47:06 - Checking balance...OK
26. 11. 2021 14:47:06 - Getting auth from server...OK
26. 11. 2021 14:47:06 - Get credits, needed for current operation...OK
26. 11. 2021 14:47:06 - To perform "Repair IMEI"
26. 11. 2021 14:47:06 - To complete the operation, Please perform the following steps:
26. 11. 2021 14:47:06 - 1. Please disconnect the USB cable, Power phone ON and connect USB cable again.
26. 11. 2021 14:47:06 - 2. Select "File transfer" connection mode.
26. 11. 2021 14:47:06 - 3. Check, whether LGE Mobile USB Modem has appeared in modems section on PC Device Manager.
26. 11. 2021 14:47:06 - 4. Press "Ok" button.
26. 11. 2021 14:47:11 - Selected port COM29
26. 11. 2021 14:47:18 - Phone Ack Found..
26. 11. 2021 14:47:32 - Detecting Chip Version...
26. 11. 2021 14:47:32 - HW version...
26. 11. 2021 14:47:32 - Connecting...
26. 11. 2021 14:47:32 - Target config: 00E5F
26. 11. 2021 14:47:32 - Preloader Version...
26. 11. 2021 14:47:32 - BootLoader Version: FF
26. 11. 2021 14:47:32 - Disabling protection...
26. 11. 2021 14:47:32 - Reconnecting phone...
26. 11. 2021 14:47:32 - Connecting to server ...OK
26. 11. 2021 14:47:32 - Platform: Mediatek
26. 11. 2021 14:47:32 - Target config: 00FF
26. 11. 2021 14:47:32 - Prepairing file...
26. 11. 2021 14:47:32 - Sending file...
26. 11. 2021 14:47:32 - Calculating...
26. 11. 2021 14:47:32 - Synchronizing with Server...
26. 11. 2021 14:47:32 - Device status: SYNC
26. 11. 2021 14:47:32 - Initializing protocol...
26. 11. 2021 14:47:32 - Writing...
26. 11. 2021 14:47:32 - Device status: SYNC
26. 11. 2021 14:47:32 - Reading info...
26. 11. 2021 14:47:32 - eMMC flash chip: Unknown
26. 11. 2021 14:47:39 - New IMEI1: [356300615654125]
26. 11. 2021 14:47:46 - New IMEI2: [356300545485547]
26. 11. 2021 14:47:46 - Finalizing...
26. 11. 2021 14:47:46 - IMEI repair Ok!
