Honor phone cannot be used

If your Honor phone cannot connect to the VPN, please try the following steps:
1. Turn off private DNS
Settings → More connections (or "WLAN & Networks") → Private DNS → Change to "Off"
2. Allow the app to run in the background (this is very important, killing the background on Honor phones is very aggressive)
- Settings → Battery → More battery settings → Application startup management → Find the VPN client → Change to "Manual management" and turn on all three switches of "Auto-start", "Associated startup" and "Background activity"
- Settings → Applications → [VPN Client] → Battery → Confirm that the background is not restricted
- If "Super Power Saving" or "Smart Power Saving" mode is turned on, try turning it off first.
3. Check if there are multiple VPN configuration conflicts
Settings → More connection methods → VPN → Only the one you are using in the confirmation list, delete or disable the others
4. Turn off IPv6 on Wi-Fi
WLAN settings → Click on the currently connected Wi-Fi → Advanced settings → See if IPv6 can be turned off
5. Clear client cache (do not clear data)
Settings → Apps → [VPN Client] → Storage → Clear cache and reconnect
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Test method: Open with a browser after connecting to VPNip.sbCheck if the IP has changed
- The IP has not changed → It means that the traffic does not go through the VPN at all, focus on items 1 and 2.
- Cannot open the webpage/keeps spinning → It means the connection is frozen by the system, focus on item 2
In most cases, items 1 and 2 can solve the problem. Let users try these two first.