when exiting the nether I take suffocation damage ~ 8 times out of 10, seems to be related to how long the transition takes, when connected remotely via mobile phone and connection is not so strong I take a lot more suffocation damage when affected by lag during loading of destination.
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Thank you for your report!
We're actually already tracking this issue at MCPE-28765, so we will resolve and link this ticket as a duplicate.
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