The bug is: when you enter the end, the portal to the overworld is created when the dragon is NOT killed and it still alive ( actually, the dragon is not actually alive, it have no health bar and it is cannot be hit by the player by any known means)
MCPE-32315
Ender dragon bug
Resolved
Duplicate
1
(Unassigned)
Unconfirmed
Phone - Android - Samsung Other (Specify in description)
Android 5.1.1
1.2.14.3
Retrieved
Thank you for your report!
However, this issue is a Duplicate of MCPE-31765.
If you have additional information, please add it to that report.
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