Cellular network update failed

Question

Hello,

For the last 48 hours, my iPhone 8 has been displaying "no service" and "cellular update failed," and in the settings > cellular data, I have the following message: "an update is required to use cellular data on this iPhone." My iPhone is up to date (version 14.3)
I have done all possible manipulations, including wanting to reset the iPhone completely, but an error message appears saying that I must update the cellular data beforehand in order to restore the iPhone... In short, it's going in circles!
Do you have a solution?
Thank you!!

MPMP10 · Answer

Hello, Reinsert the SIM card after removing it to see. https://support.apple.com/fr-fr/HT201415  -- The enemy is stupid: he thinks it's us who are the enemy when it's really him! Pierre Desproges

Pauline · Answer

It's done, I put my SIM card in another iPhone and it works fine, the problem seems to be with my iPhone...

Pauline · Answer

And it can happen overnight like that?

YvetteYzx · Answer

Hello,

You can try the following solutions:
1. Turn on airplane mode
2. Reinsert the SIM card
3. Restart the iPhone that shows "No Service"
4. Check your network connection (mobile carrier)
Before contacting your carrier, you can still try to:
4.1. Update carrier settings
> Connect to a WiFi network.
> Go to Settings, in the General tab then in About.
> A carrier settings update may be available.
> If no update is available, it means there are none currently available. You can then try the second solution.
4.2. Reset network settings
> Go to Settings.
> In the General tab, go to Reset.
> Choose Reset Network Settings.
5. Look for software that can reset your iPhone.

Cellular network update failed

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