there is a bug that when you are in the flat world when you enter a nether portal and then go back to the overworld everything is buggy you can't drop, break and the map doesn't load to return to normal you have to leave the map and enter.
MCPE-158313
nether portal bug
Resolved
Duplicate
0
Thank you for your report!
We're tracking this issue in MCPE-158167, so this ticket is being resolved and linked as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki