This is the essential first step that allows the device to accept unauthorized software.
If you decide to proceed with a custom ROM or GSI, the process generally follows these steps.
Ensure your iPlay 40 is charged to at least 60% to prevent shutdown during the flashing process.
Go to and enable USB Debugging and OEM Unlocking . alldocube iplay 40 custom rom
Note: Most guides are in Russian, but Google Translate works well. Always scan downloaded files for malware.
: This is the first mandatory step and can be tricky on Alldocube devices.
: A critical finding for the iPlay 40 series is the requirement for specific image types; for example, the arm64_bgN variant is often necessary to avoid bootloops. This is the essential first step that allows
Go to Settings > About Tablet and tap Build Number 7 times until it says "You are now a developer!"
: You can access newer Android versions (like Android 14 or 16 ) via Generic System Images (GSIs) , improve gaming performance with optimized kernels, and gain deeper control over your device.
Check the Bluetooth workarounds tab within the Treble settings menu and toggle the Unisoc-specific Bluetooth safety features. Conclusion Go to and enable USB Debugging and OEM Unlocking
Always keep a copy of the official Alldocube iPlay 40 stock ROM/firmware on your computer. If something goes wrong, you will need the Unisoc Flash Tool (SPD Upgrade Tool) and the stock .pac file to rescue your device. Step-by-Step Installation Guide
Transitioning to a custom ROM on this tablet is not for the faint of heart. It requires:
Ensure your tablet has at least 70% battery capacity to prevent it from shutting down mid-process.
The iPlay 40 uses a Unisoc (Spreadtrum) processor, which requires specific tools for firmware modification. ⚠️ Disclaimer Modifying your device carries risks.