MTK GSM Sulteng Tool v1.3.9 is a free specialized utility designed for servicing Android devices powered by MediaTek (MTK) chipsets. It is widely used by technicians for bypassing security locks, such as FRP (Factory Reset Protection) and Mi Cloud, with a single click. Download Link
You can find the download link for the MTK Gsm Sulteng Tool v1.3.9 on this Google Docs file. mtk gsm sulteng tool v139 link
The tool supports a vast range of budget and mid-range MTK devices: Vivo: Y12, Y15, Y17, Y21, S1, V15, and more. Realme: C11, C12, C15, C21, Narzo 10/20/30A. MTK GSM Sulteng Tool v1
Direct Community Link: You can find download links and video tutorials on platforms like GSM Doctor Shakil. The tool supports a vast range of budget
It’s a third-party PC utility designed for servicing MediaTek (MTK) Android devices. “GSM Sulteng” refers to a developer/group known for creating flashing, unlocking, and repair tools for GSM phones. Version 139 is one of their releases.
Developed by a team of Indonesian developers (hence the name "Sulteng," referring to Sulawesi Tengah), this tool serves as a bypass and utility software. It is specifically engineered to fix soft-bricked devices, bypass security protections, and service MTK Android devices.
Xiaomi/Redmi: Note 8 Pro, Note 9, Redmi 9 series, and various Poco models (M2, C3, X3 GT).