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If your Sunmi V2 Pro boots directly into a payment app and you cannot press the "Home" button to leave, you are in Kiosk Mode. This is a feature of Android designed to prevent misuse.
Before proceeding, understand that unlocking a device may void your warranty. If the device is rented from a payment processing company (e.g., Clover, Square, or a bank), unlocking it may violate your service agreement. This guide is for of the hardware who wish to repurpose it. We are not responsible for bricked devices or data loss. unlock sunmi v2 pro
To "unlock" the system for custom app installation or debugging, you need to enable the hidden developer menu. Go to > About phone . Find the Build number and tap it rapidly 7 times . A message will appear saying "You are now a developer!". If your Sunmi V2 Pro boots directly into