Portals don't take the player where they use to take them. They spawn you somewhere new without a portal.
Device: ADT-1 Android TV https://developer.android.com/tv/adt-1/index.html
MCPE-9964
Nether portals don't work properly anymore
Resolved
Incomplete
0
(Unassigned)
Unconfirmed
Tablet - Windows 10 - Other (Specify in description)
Windows 10 and android 5
0.12.0 Win 10, 0.12.1 Beta 7
Retrieved
Specify your tablet in description, as mentioned in the "Device" option