how to fix Tecno spark 8 (kg6k) dm variety corruption on logo no booting, dead boot solution

In this tutorial,
1. I have shown you how to fix all Tecno smartphone's dm-verity corruption problem that occurs on the logo it is easy to select simply download the file on the description and flash it,
2. Identity all Tecno smartphone unique model numbers using recovery mode and by disassembling the smartphone see the unique model on the back of the cover.

[@mbel-techyz]

Will i lose all my files after this