If your realme phone has No Service or poor signal

1.Check your location and make sure that you're in an area within operator’s network coverage, otherwise your phone’s network and communication signal reception will be affected or interrupted.

2.Remove your phone’s third-party protective case if there is one, for that might affect the reception of signal.

3.Check phone settings:
Check if your SIM card is enabled.
Adjust [Preferred network type] to [4G/3G/2G (Auto)].
If there is a VPN connection, disconnect it.
Go to [Settings] > [Dual SIM and mobile network] or [Dual SIM & Cellular] > [SIM card info] > [Access point name], reset APN to default settings.

4.Take out the SIM card, check if it is damaged, clean the chip and put the card back in, or try another SIM card on your phone to see if you fixed the issue.

5.Restart or force restart your phone.

6.Update to the latest version of system.

7.Back up and transfer the data first, then reset to its initial state and settings.

8.Contact your operator to check if caused by operator’s issues.