Many users only input the Base URL. For newer EMUI versions, you must provide all three URLs (Base, CUST, and Preload) in the Proxy setup to ensure the "Group" is complete and matching.
Do you have the of your phone and the firmware version you're trying to install? group version not match hisuite proxy
: You cannot "jump" across major versions (e.g., jumping from EMUI 11 straight to EMUI 10). Many users only input the Base URL
Reinstall the proxy/agent