Install specialized software that requires system-level permissions to interact directly with the printer or scanner.
For devices with locked MDM (like Deliveroo units), users often flash a modified "stock" firmware that includes a pre-patched boot image. Download Firmware
: The Sunmi V2 Pro variant, which uses a Snapdragon 425 processor, requires a different set of tools specifically designed for Qualcomm's architecture, documented in the sunmi-v2-pro GitHub guide . Step-by-Step Preparation
Sunmi restricts firmware distribution. Register for a free account at developer.sunmi.com . If denied, search XDA Forums for "Sunmi V2 firmware dump."