It looks like you're asking about using a Flash Tool (like SP Flash Tool or Miracle Box) with the MediaTek MT6893 chipset.
The MT6893 is the MediaTek Dimensity 1200 – a 6nm 5G chipset found in phones like the Xiaomi Redmi K40 Gaming, Realme GT Neo, OnePlus Nord 2, and others.
Here’s the essential information regarding flash tools for MT6893: mt6893 flash tool
MediaTek chips have a built-in bootrom (BRom) that is hardwired into the processor. This is the first code that runs when the device powers on. If the device is completely off and you connect it to a PC, it enters Preloader Mode. This mode lasts only a few seconds.
Unlike older MediaTek chips, the MT6893 has: It looks like you're asking about using a
ERROR: STATUS_DA_AUTH_REQUIRED without a bypass.Format All + Download – you will lose your IMEI and nvram (hard to restore on MT6893).If the Preloader times out or fails, the chip falls back to BROM Mode. This is the primary mode used by all MT6893 flash tools. In BROM mode, the CPU is waiting for a handshake from a PC to upload a small loader (DA – Download Agent) that can then write firmware to the eMMC/UFS storage.
For a standard unbrick: Choose Firmware Upgrade. Cause: Old version of SP Flash Tool or incorrect driver
Download the stock ROM or custom firmware for your specific device model. Extract it using WinRAR or 7-Zip. You should see a folder containing the scatter file and numerous .img files.