The MT6833 introduces modern security hurdles not found in older MediaTek chips. Most MT6833 devices utilize Verified Boot (AVB 2.0) and require an Authentication File (.auth) Download Agent (.bin) to communicate with the flashing tool.
partition_index: 9 partition_name: SYSTEM file_name: system.img is_download: true type: NORMAL linear_start_addr: 0x028C0000 partition_size: 0x20000000
Do rely on random scatter files from the internet. Always extract from your device’s own firmware or a trusted factory ROM.