Here is Manual Update File for ATV 1900AC and 1800E  for Android 5.1 **This is the official release and no longer in Beta** We have been testing this all week and last weekend. Please leave comments and feedback below. This should solve lots of issues you guys have been having. To use the updater app, just download the  .img file and load it onto a usb or SD card. **ALSO IF USING THE UPGRADE APP, MAKE SURE TO PRESS THE 3 LINED CONTEXT MENU BUTTON ON THE REMOTE CONTROL 10+ TIM