A: Many repair tools pack DLL injectors or registry modifications. Always verify with a second scanner. If in doubt, run in a Windows Sandbox.
InstallDriver.exe as Administrator.IMEI_SN_Writer_v1.5.3.zip to a folder like C:\SN_Writer.SN_Writer.exe as Administrator.Using this tool requires careful attention to detail. Writing an incorrect IMEI or interrupting the process can lead to further device issues.
Assumptions: You have MediaTek USB VCOM drivers installed. You have the original IMEI printed on the phone box.