Normally, HiSuite only allows you to install "approved" firmware that Huawei’s servers push to your specific Serial Number. HiSuite Proxy tricks the official software into thinking that a firmware package you’ve selected (even if it isn't officially "authorized" for your device yet) is the correct, official update. Key Features of v3.1.3:
(available on GitHub or reputable XDA forums).
Click the button. This will modify your system's proxy settings and patch the HiSuite app in the background. Step 3: Connect and Update hisuite proxy v313
This usually means the firmware you chose is not compatible with your device's current regional ID (Cust). Double-check that your firmware matches your region.
Can often fix devices stuck in boot loops by forcing a clean firmware install. What’s New in v3.1.3? Normally, HiSuite only allows you to install "approved"
Run HiSuite Proxy as an Administrator to ensure it has the permissions to modify network strings. Final Thoughts
The v3.1.3 update focused heavily on stability and compatibility with newer HarmonyOS and EMUI 12/13 builds. Improvements include: Click the button
Are you looking to back to EMUI, or are you just trying to get the latest security patch ?