Based on the specific error message you are almost certainly using a flashing tool (likely SP Flash Tool or CM2 ) to work with a MediaTek (MTK) device. Patched: Ulptxt
Older firmware boxes have "MT65xx" and "MT67xx" tabs. If you select a generic tab, the tool tries to handshake using an old protocol, resulting in "Platform MT68 not supported." Qualcomm Adb Fastboot Driver
This error means there is a mismatch between the hardware platform of your phone and the version of the software tool you are using.