Symptoms
- Notification about a carrier settings update appears repeatedly
- Update seems to install but the prompt returns
- Update prompt appears after switching SIMs or carriers
- No obvious change after accepting the update
Likely causes
- CommonRoutine carrier update simply needs to be installedCarriers regularly push small settings updates to optimize network connections.
- CommonUpdate didn't fully apply the first timeA brief connection drop during installation can require trying again.
- PossibleRecently switched SIM cards or carriersA new carrier's settings need to sync fully, which can take a couple of prompts.
- PossibleWeak signal delaying the update from completingA poor connection can cause the update to only partially apply.
What to do
- Accept and install the carrier settings update when prompted.
- Ensure you have a strong Wi-Fi or cellular signal during installation.
- Restart the phone after installing.
- If the prompt returns immediately, wait a day, since sometimes multiple small updates roll out close together.
- Toggle airplane mode on and off to refresh the network connection.
- Contact your carrier if the same update keeps prompting for over a week without resolving.
When to call a pro
If the same carrier update prompt won't stop appearing after a week, contact your carrier's support for an account-side check.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.