Downgrading from MagicOS 8.0 to 7.1 requires a full wipe and a special rollback package. You cannot simply flash an older file over a newer build.
This is the stock firmware that ships with the device. It features HONOR’s GPU Turbo X for gaming, link turbo for network aggregation, and a clean UI. The build number typically starts with 7.1.0.xxx . Firmware HONOR Magic 5 Lite
Updates may include enhancements for camera scene detection, Game Assistant false-touch reduction, and expanded App Clone support. How to Update Your Firmware To keep your HONOR Magic 5 Lite Downgrading from MagicOS 8