The netherite armour disappears after a while and you take regular damage as if you were wearing no armour also im using the mobile version of minecraft please fix

Thank you for your report!
However, this issue is Invalid.

This project is for the Bedrock Dedicated Server software only. Use one of the links below to go to the correct project.
– Minecraft: Java Edition — Windows, Mac, and Linux
– Minecraft Launcher — bugs about the Minecraft Launcher specifically
– Minecraft: Bedrock Edition — Gear VR, iOS, Android, Windows 10 (from the Windows store), Xbox One, Windows 10 Mobile, Fire TV, Nintendo Switch, and PS4
– Minecraft: Earth — AR Compatible Devices
– Realms Plus — Minecraft Realms for Java and Bedrock

Please don't forget to search for an existing issue matching yours in the appropriate project before raising a new one.

Quick Links:
📓 Issue Guidelines – 💬 Community Support – 📧 Customer Support – 📖 BDS Wiki – 📖 FAQs