Alternative: Search on GitHub for mtk-sn-writer – some open-source/modified versions exist.
If you have ever flashed a new ROM or updated your MediaTek (MTK) device and found that you can no longer make calls or connect to mobile data, you likely have an "Invalid IMEI" or "Null IMEI" error. This happens when the device's unique identifier—the International Mobile Equipment Identity (IMEI) —is wiped from the NVRAM during the flashing process. TGT MTK SN Tool (often found in downloads as tgt_mtk_sn_20.rar tgt mtk sn 20rar indir
: Changing an IMEI number to a different one than what was originally assigned to the device is illegal in many countries. This tool should only be used to restore original, valid numbers that were lost. Alternative: Search on GitHub for mtk-sn-writer – some