For newer MediaTek devices with DA authentication / SLA / DAA protections, SP Flash Tool may simply refuse to work. In these cases, (an open-source Python-based tool) can bypass authentication and allow flashing.
In plain English: Your phone’s boot ROM has rejected the flashing tool’s request because the tool is not using a cryptographically signed, authorized Download Agent. The phone is "verified" to accept only official factory images, and your tool is failing that verification. sp+flash+tool+error+1042+verified
When Error 1042 occurs, the following sequence is consistently observed: For newer MediaTek devices with DA authentication /
If drivers and hardware are working correctly, the problem may lie in your firmware files. The phone is "verified" to accept only official
Note: If the tool regenerates the error or requires the file, open checksum.ini with Notepad, change CHECKSUM_SWITCH = 1 to CHECKSUM_SWITCH = 0 , save the file, and try again. Method 2: Verify and Re-Download Stock Firmware
Follow these troubleshooting steps in order. Move to the next solution only if the previous one fails to resolve the issue. Solution 1: Disable Checksum Verification (Most Common Fix)