When you download Minecraft from the Google Play store for the first time in a version 1.20.30 or above, then go into the game and enchant some armor and wear it, you can see that it does not render properly. I notice this glitch doesn't happen if you update your game from previous versions but if you are a new user of the game this glitch appears.
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We're tracking this issue in MCPE-174535, so this ticket is being resolved and linked as a duplicate.
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