Boox Color Series User Manual page 164

Application
Users can select USB debugging, enable Store, Set Back button as
Homepage button、Freeze third-party apps in the background by default、
Automatically optimize third-party optimization configs 、 Enable Google
Play , etc.
Users need to activate the Google Play Store first by going to Settings/
Apps/ Enable Google Play/ GSF ID with the Google account. After 5
minutes, you shall reboot your device and sign in to Google account again
to use the Google Play Store.
Firmware Update
Users can get the Model number, Android version, Build number and
update check. Upgrade checks the local package first then online package
with a network connection. Upgrade pause and breakpoint download are
allowed. Please ensure the device has more than 30% power and
sufficient capacity before the update.
Update History
Check Update History and the changelog of every update.