Firmware isn’t officially signed for your device. Fix: Ensure you’re using Huawei’s official UPDATE.APP (not custom ROMs). The v313 repack cannot bypass cryptographic signatures—only server redirection.
Double-check that the firmware you downloaded exactly matches your phone's region code (C-code). hisuite proxy v313 repack
Since "repack" versions often include integrated tools or pre-configured settings, Firmware isn’t officially signed for your device
: Install a compatible version of HiSuite (often version 10.x for better proxy compatibility). hisuite proxy v313 repack
Click on in HiSuite. The tool should now see the custom firmware you provided as the "latest" version.