On the ZTE Z981 any torch key input is now broken because a redstone torch will now only power a piston through a block if the torch is below the block, placing a torch behind or on the sides of a block near a piston no longer power it as it always has in the past
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-19128.
It has been linked to this report. If you have additional information, please add it to that report.
This in fact was a bug that was resolved - see MCPE-16286
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