Sunmi V2 Root (Ultimate)
adb pull /sdcard/Download/magisk_patched_[insert_name].img ./magisk_patched.img Use code with caution. ⚡ Phase 4: Flashing the Patched Boot Image
: Attempting to root a device with an active payment key might trigger a "tamper" state, which can remove security keys required for payment processing. Helpful Resources GitHub - dafish7/Sunmi-v2-Firmware
Use apps that can directly access /dev/ttyMT1 or similar to control the thermal printer, as mentioned in reversing efforts. Troubleshooting sunmi v2 root
The Ultimate Guide to Rooting the Sunmi V2: Risks, Methods, and Alternatives
adb shell su dd if=/dev/block/by-name/system of=/sdcard/system.img dd if=/dev/block/by-name/vendor of=/sdcard/vendor.img adb pull /sdcard/Download/magisk_patched_[insert_name]
In the "Download" tab of SP Flash Tool, ensure only the recovery partition is ticked. Locate the TWRP .img file, select Download only , and click the Download button. After connecting the powered-off device, the tool will flash TWRP. A green checkmark indicates success.
Alternatives to rooting (recommended for many deployments) Troubleshooting The Ultimate Guide to Rooting the Sunmi
: Modifications can cause certain POS applications to malfunction or lead to boot loops. : Methods vary between the standard Go to product viewer dialog for this item. (often MediaTek-based) and the Sunmi V2 Pro Go to product viewer dialog for this item. (often Qualcomm-based). General Rooting Methods
Hold down the hardware volume buttons (or specific test points inside the back cover if buttons are disabled) and connect the USB cable to the PC.
If the device gets stuck on the Sunmi logo, your patched boot.img was likely incompatible with your specific OS build version. Boot back into fastboot or BROM mode and flash your original, unpatched stock boot.img to restore functionality.
Use the file explorer to select your uploaded boot.img file inside the Download directory.