: It is frequently used to remove user locks, including pattern locks and FRP (Factory Reset Protection), which often block access after a hard reset. Storage Health Diagnostics

: Because this tool involves low-level hardware modification and third-party software, it is highly recommended for use only by experienced technicians. Incorrect use can permanently "brick" or damage the device's hardware. HOW TO BACKUP FULL FIRMWARE BY MK EMMC PLUS 3 1

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While primarily aimed at , MTK (MediaTek) , and Spreadtrum based devices, it is frequently used for specific popular models: OPPO : Models like the A3s, A83, and F7 series. Vivo : Common Y-series models (e.g., Y91, Y95).

The tool operates via hardware pinouts, requiring a steady hand and basic soldering knowledge.