Locate the latest version of the "Aqua Dongle Setup" from a trusted mobile repair forum or the official support shell.
Disable Antivirus or Windows Defender during installation (many repair tools are flagged as false positives). How to Download and Install Aqua Dongle Latest Setup Follow these steps to get the tool up and running: Aqua Dongle Latest Setup Download
If you want to get started with the specific brand you're working on: Mention the you need to service. Specify the error code you're seeing. List the chipset type (Qualcomm, MTK, etc.). I can provide the exact steps for that specific repair. Locate the latest version of the "Aqua Dongle
Restore or repair IMEI numbers on supported devices. Aqua Dongle Latest Setup Download