If you don’t have an official auth file, you can use a modified DA that ignores the verification.
Warning: Only use DAs from reputable sources (XDA Developers, GSM-Forum). Malicious DAs can brick your device. sp+flash+tool+error+1042+verified
Error Code: 1042
Error Message: BROM ERROR: S_BROM_DL_DRAM_FAIL (1042)
Translation: "Download DRAM Fail." If you don’t have an official auth file,
If SP Flash Tool consistently throws Error 1042, switch tools: Warning: Only use DAs from reputable sources (XDA
When Error 1042 occurs, the following sequence is consistently observed:
If your phone is bricked and you have a full stock ROM dump (not a scatter-only package):
In the SP Flash Tool’s "Options" menu, there is an "Authentication" tab. If you are flashing a device with DA签名 (DA Signature) enabled, and you have not loaded the proper auth_sv5.auth file, the tool cannot generate the correct token.