Flashing a MediaTek Dimensity device requires specialized computer configurations to prevent permanently disabling the motherboard. Do not skip these preparation steps: Tecno Camon 20 Premier 5G (CK9n) - DeviceAtlas Tecno Camon 20 Premier 5G (CK9n) | DeviceAtlas. deviceatlas.com
Using the wrong firmware can permanently hard-brick your device. Before downloading any file, you must identify your device's exact and variant . Firmware TECNO Camon 20 Premier 5G
Technically yes, using SP Flash Tool. However, MediaTek's "anti-rollback" feature may prevent this if the newer firmware increased the ro.bootimage.build.date . Attempting downgrade can brick the device. using SP Flash Tool. However