I have. It been able to download my realm map even though I have the space on my phone.
It keeps saying this: "You are almost out of storage space! Minecraft has restricted this feature until you clear up additional storage space."
My world is about it 500mb and my phone has about 32gb free space.
Linked issues
Comments 3
Thank you for your report!
However, this issue is a Duplicate of MCPE-42091.
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Also have this issue on multiple devices/platforms.