Calling & Network issue

Please follow the below steps:
1. Reboot the phone and turn the data network on. Check whether this resolves the issue.
2. Gently take out the SIM card and insert it again, or change to another SIM card for testing.
3. Back up all data and restore the phone to factory settings.
If the issue persists, contact the Nothing Support Team for further assistance.

Please follow the below steps:
1. View other apps or webpages to confirm if the network is working normally. Confirm whether mobile data is turned on. Check whether your mobile phone data package has exceeded its limitation. Or try using 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.
4. If the above methods don't work, uninstall the game and download it again.
If the issue persists, contact the Nothing Support Team for further assistance.

Please follow the below steps:
1. If the current location of the network coverage weak, such as in a closed environment like high-speed rail, the network coverage is generally poor, and the internet will be slow.
2. If a metal protective case is used, the network signal will be affected. we recommend you remove the metal protective case or use a plastic or leather protective case.
3. Replace the SIM card and check whether it is caused by the SIM card.
4. Currently, some operator cards have traffic restrictions for the traffic package cards launched by the operator. If it exceeds the carrier's monthly traffic limit, the carrier will limit the Internet access speed of the phone. For details, please consult the carrier to confirm whether the traffic limit is exceeded.

Please follow the below steps:
1. If the phone line is bad, we recommend you hang up the phone and call again.
2. The network environment is poor, such as weak signal, unstable signal, etc., which cannot meet the requirements of good communication, please try to change the network environment.
3. If there are high-speed moving objects such as high-speed rail or a highway nearby, please try to use it in a different environment.
4. If the SIM card is seriously worn or has poor contact, re-insert the card or replace the card.
5. Backup mobile phone data (phone number and SMS, etc.) and restore factory settings.
6. After backing up the mobile phone data, refresh the phone or update the firmware to the latest version.
If the issue persists, contact the Nothing Support Team for further assistance.

Please follow the below steps:
1. Turn Airplane Mode on and off, and then dial again.
2. Calls are largely affected by the network. Try changing the network environment and call again.
3. Clear all background apps to ensure that the phone has enough memory.
4. Restart the phone and then enter the app, Make sure there is enough memory and try again.
5. Enter the app settings to clear the cached data and try again (we recommend you back up data before clearing).

If the issue persists, contact the Nothing Support Team for further assistance.

Please follow the below steps:
1. Turn Airplane Mode on and off, and then dial again.
2. Go to settings>Network&internet>SIMs>Enable 4G Calling or disable 4G Calling to try again.
3. Calls are largely affected by the network. Try changing the network environment and call again.
4. Try a different SIM card to check if it is better.
5. Update the firmware of the phone to the latest version
6. Back up phone data and restore factory settings.
If the issue persists, contact the Nothing Support Team for further assistance.

If the signal is unstable, and the 2G/3G/4G/5G network switches frequently:
1. If you're using a metal phone case, we recommend you remove it.
2. Try to avoid places with dense crowds or poor signal.
3. Try replacing the SIM card for a comparative test to check whether it's a phone or a SIM card problem.
4. Turn Airplane Mode off and on to see if the signal returns back to normal.
5. Check whether the mobile phone system is up to date. Try updating the mobile phone system to the latest version and see if this affects signal.
If the issue persists, contact the Nothing Support Team for further assistance.

Please follow the below steps:
1. Confirm whether the mute button on the call is on. If so, tap to turn off.
2. The microphone in your phone may be blocked or damaged by foreign matter, dust or debris. Please contact our customer service centre for further testing and confirmation.
3. Check the signal strength at both the caller and receiver ends. Poor signal on either end can affect the clarity of sound.
4. Use an earphone suitable for your phone and check if the other person can hear you.
5. Update the phone software.
6. Restart your phone.
If the issue persists, contact the Nothing Support Team for further assistance.