Why is it my network provider is not recognized

I am browsing the internet while the update pop up that says reboot and update so I clicked it but after the process my network provider didn’t appear as the usual process does after rebooting what can you advice me to do to get back my network provider because I can’t inquire my balance thank you need your advice ASAP…

@Nightmare17 Try to configure the APN maybe something went wrong during the update

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