Please try the below:
1. Reboot the phone and turn the data network on.
2. Take out the SIM card and insert it again, or change to another SIM card for testing.
3. Back up your data and restore the phone to factory settings.
If the issue persists, please contact our Customer Support for further assistance.
Calling & Network issue
Troubleshooting
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The data network isn't working. What can I do?
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There are network issues when I download or update a game. What can I do?
Please try the below:
1. Check other apps or webpages to confirm if the connection is stable. Confirm that mobile data is turned on and check if your mobile data package has exceeded its limit. Alternatively, connect to WiFi.
2. Exit the game, remove the background cache and then re-enter the game. Find the game app in Settings > Apps > See all apps. Go to Storage & cache in the game settings to clear the cache.
3. Uninstall and re-install the gaming app.
If the issue persists, contact our Customer Support for further assistance.