Use an MTK Auth Bypass Tool to temporarily disable protection before flashing.
One evening, as Alex was working late in the lab, he received a call from a senior engineer, Mark. Mark revealed that he had been involved in the development of "mtk-allinone-da.bin" during his previous tenure at MediaTek. He explained that the file was indeed a diagnostic and calibration tool, created to support device manufacturers and engineers in the development and testing of MTK-based devices. mtk-allinone-da.bin
If you encounter issues while using mtk-allinone-da.bin , some common problems and their solutions include: Use an MTK Auth Bypass Tool to temporarily