To confirm the source of the error:
Ensure matching versions
Downgrading from EMUI 11 to lower versions may , including: group version not match hisuite proxy
HiSuite internally checks that all selected packages belong to the same (sometimes called same branch / same release family ). If HiSuite Proxy forces packages from mismatched group versions, HiSuite rejects the update with the error:
HiSuite maintains a local cache of connection protocols and temporary handshake keys. If a previous connection was interrupted or if the software was not closed properly, residual temporary files may force the client to use an outdated "group version" ID during the initialization phase. To confirm the source of the error: Ensure
The error typically surfaces during two high-stakes maneuvers:
HiSuite Proxy is a powerful third-party tool that allows Huawei and Honor device owners to modify their phones' firmware. It works by patching the official HiSuite application to intercept and redirect update requests, enabling users to install unofficial, older, or region-specific ROMs. The tool is especially popular among users who want to downgrade from EMUI 10/11 or HarmonyOS back to EMUI 9.1 or lower to reinstall Google Mobile Services (GMS) or simply to revert to a more stable or familiar system version. Helpful Information - Downgrading From EMUI 11 #127
Helpful Information - Downgrading From EMUI 11 #127 - GitHub 5 Nov 2021 —
If you've ever attempted to upgrade, downgrade, or flash custom firmware on a Huawei or Honor device using HiSuite Proxy, you may have encountered a frustrating error message: This error typically halts the process when HiSuite Proxy detects a mismatch between the Base, Cust, and Preload firmware components. The good news is that while this error is common, it's also solvable with the right approach. This article provides a comprehensive guide to understanding and fixing the "group version not match" error.
When using Firmware Finder, you must ensure the ROMID you choose contains the same CUST and Preload base.