MTK GSM Sulteng v1.3.4 is a popular, lightweight Windows utility developed for managing and bypassing security on MediaTek (MTK) powered Android devices
Designed with a simple interface for rapid servicing. download mtk gsm sulteng v134 link
Right-click the .exe and select "Run as Administrator". MTK GSM Sulteng v1
Supports factory resets, safe formatting (to preserve data), and fixing bootloop issues. Broad Compatibility: safe formatting (to preserve data)