The "Group Version Not Match" error is almost always a rather than a hardware fault. By ensuring your C-code matches, using an older HiSuite client, and correctly toggling the "Point Version" button, you can bypass the error and successfully flash your device.
Ensure the firmware you selected is marked as for your specific model (e.g., LYA-L29, ELE-L29). If you are attempting a major version jump (e.g., EMUI 10 to EMUI 12), ensure your current version supports that direct path. Quick Checklist for a Successful Link Requirement URLs Must have 3 separate links (Base, CUST, Preload). Checkboxes group+version+not+match+hisuite+proxy+link
Before grabbing links from the Firmware Finder, ensure they match your device exactly. The "Group Version Not Match" error is almost
: Ensure the CUST (e.g., C431) and Preload versions exactly match what is on your phone. If you are attempting a major version jump (e