Load the specific .auth file matching your vendor firmware, or utilize an external MTK Auth Bypass tool to patch the boot ROM sequence before clicking Download. STATUS_EXT_RAM_EXCEPTION (0xC0050005)
Installed on your PC. Without these, the computer will not recognize the phone in preloader mode.
For owners of devices running (including MT6735, MT6737, MT6739, MT6750, MT6753, MT6755, MT6757, MT6761, MT6763, MT6765, MT6768, MT6771, MT6785, etc.), finding the right version that provides verified, stable support is crucial to avoid "hard-bricking" their device. sp flash tool support mt67xx verified
(e.g., using a Xiaomi DA for another brand's MT6765 device). In the tool, go to the Download-Agent field and click "Choose" to load your custom Auth Bypass Tools (MTK Auth Bypass)
Using an outdated version of SP Flash Tool may fail to recognize newer 64-bit MT67xx chips, while an overly new version might introduce compatibility issues with older security mechanisms. The v5.182x branch, for example, is specifically known to resolve persistent "NAND Flash Was Not Found" errors on MT6755 devices that other versions cannot fix. Load the specific
Download the specific stock ROM for your MT67xx model and extract it to your desktop.
: For MT67xx series, use SP Flash Tool v5.x or v6.x (depending on whether your device requires the newer XML-based layout or traditional text scatter files). For owners of devices running (including MT6735, MT6737,
Wait until a window with a green checkmark () appears. 4. Troubleshooting Common MT67xx SP Flash Tool Errors Error Code / Message Root Cause Definitive Solution STATUS_SEC_AUTH_FILE_NEEDED Secure Boot is active; device demands an .auth file. Run the MTK Auth Bypass tool before clicking Download. STATUS_CHIP_TYPE_NOT_MATCH The scatter file does not match your MT67xx hardware.
Try connecting the phone while holding volume buttons, or try a different USB cable. Conclusion
This guide is designed for users attempting to unbrick, flash custom ROMs, or upgrade the firmware on devices powered by the MT67xx series (such as MT6735, MT6737, MT6739, MT6750, MT6753, MT6755, MT6757, MT6763, MT6765, MT6771, and MT6795).
MT67xx devices use a specific .txt file known as a . This file tells the tool exactly where each partition (Boot, System, Recovery) should be written on the NAND/eMMC chip. C. The Authentication (Auth) File