- Download PhoenixSuit Tool：
https://androidmtk.com/download-phoenixsuit
- Download firmware
RetroPixel-720x720-A64-Android7-Release-V1.0.1.zip
- Fix standby screen flicker issue
RetroPixel-720x720-A64-Android7-Release-V1.1.2.zip
- Fix the issue of inaccurate battery level display
- Fix screen residue issue during restart
- Fix data cable error issues
- Optimize some system issues
Detailed tutorials for upgrading can be found here：
https://androidmtk.com/use-phoenix-suit-flash-firmware
When the game console is turned on，Click Upgrade to automatically enter upgrade mode.
If the game console is no longer able to enter the system,You can try holding down the shutdown button for 5 seconds,Turn it off completely.Then press and hold the brightness adjustment up or down button And maintain it，Then insert the data cable Quick switch on Power button 3-5 times.Until the computer recognizes the flash mode.