In order to solve the freezing and black screen issues please follow these steps; Please do not miss any of the steps, repeat if necessary
Do a software update
Please follow these steps:
From the main menu
3- Press Red button to start updating be patient, do not stop the downloading …once down it will reboot.
4- go to main page
6- Factory Reset 0000 is the password
7- follow steps to reset ALL.
8- once done exist to main menu.
turn receiver off
Unplug the power cable wait 3 minutes
Then plug the power cord.
You might need to re-do the the Wi-Fi Setting again
When internet connection is ready
Go to main menu page, make sure your the the on the Online TV box
once you see a message stating: Rest App Network Sccussfull
it means all steps are done.
Now click on Online TV and the Receiver has been fully updated.