I created 2 large map walls on 2 seperate worlds and it still will not give me the achievement. I have no way of uploading a screenshot from my console, though the very bottom right pixel in each map stays unexplored even if I am standing on top of it.
Related issues
Comments
migrated
Thank you for your report!
We're actually already tracking this issue under MCPE-27720 so I've requested this report be 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:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 Game Wiki