In the early versions of EMUI 10 and 11, users could often get away with just a Base package. Starting with later EMUI 11 builds and especially with HarmonyOS, Huawei tightened the verification process, making all three packages mandatory.
Proxy URL/path rewrite issues
If you are modifying a HarmonyOS device, ensure the OS type is set to HarmonyOS. If you are flashing standard EMUI, select EMUI.
Authentication/Authorization translation group+version+not+match+hisuite+proxy+link
The C-Code (Region code) in the firmware URL does not align with the target version defined in the Proxy setup. Step-by-Step Solutions 1. Verify Your Model and Region (C-Code)
Once you've successfully resolved the error, keep these precautions in mind:
This guide provides step-by-step solutions to bypass this issue and complete your installation safely. Why the Error Happens In the early versions of EMUI 10 and
: If the proxy continues to fail, check if HiSuite offers an official "Switch to other version" button under the Update menu, which is safer than manual proxying.
A common roadblock during this process is the error. This error halts the installation process before the firmware transfers to the phone.
If you are attempting to downgrade or upgrade your Huawei/Honor device using the HiSuite Proxy tool and encountered the dreaded error, you are not alone. This is a common issue when the firmware files provided to the proxy do not perfectly align with the device's specific model, region, or software structure. If you are flashing standard EMUI, select EMUI
Most users encounter this because they are only trying to flash the
Explain how to navigate and use to locate exact matching CUST packages safely.
Hypothesis B — Client uses deprecated/outdated API version
A: No. The "Group version not match" error occurs at the firmware verification level, before bootloader checks. An unlocked bootloader helps with custom ROMs but does not bypass HiSuite's group version enforcement.