tasmota device loses its configuration after remove the case

Hello team,

I bought some keypads - tasmota from you. I am currently facing some issues with the lose of keypad configuration after removing the case. I went throught some procedures to try to remove the factury configuration reset that i found in some blogs, but it did not work.

https://tasmota.github.io/docs/Device-Recovery/

https://github.com/arendst/Tasmota/issues/8415

https://community.home-assistant.io/t/help-tasmota-reset-itself-after-a-tripped-breaker/245676/2

https://github.com/arendst/Tasmota/issues/8415

Any idea what i can do to fix it ?