Information on how to within your firmware folder. Let me know how you would like to proceed with your repair . How to use SN Write Tool (SN Writer)
Files shared on forums with names like "tgt mtk sn 2.0.rar" are often unofficial "cracked" versions of service tools. These frequently contain malware or can permanently damage your device's NVRAM if used incorrectly. Official Tools: tgt mtk sn 20rar indir
Yes, until you flash the phone again. The tool writes directly to the NVRAM partition, which survives factory resets. Information on how to within your firmware folder