Tecno is moving toward even stricter security with Android 13, 14, and beyond. Newer Bb2 variants (like the Bb2s or Bb2 Pro) use , which requires an Auth file that expires after a set number of uses.
MTK_AllInOne_DA.bin (Usually works with SP Flash Tool) Auth File: BB2.auth (Required for secure boot bypass) Commonly Used Files for Tecno BB2 (POP 3): Tecno Bb2 Auth File
If you are prompted for authentication while attempting to flash your device, follow these steps: Open SP Flash Tool: Launch the flash_tool.exe as an administrator. Load Scatter File: Tecno is moving toward even stricter security with