SIM card has been detected, no PIN required, but the error shows “No Service
SIM card has been detected, no PIN required, but the error shows “No Service”
Solution
1) Make sure the Network Type is on “4G Preferred”, and Band and Carrier are on “Auto”
2) Try to factory reset the Deco by pressing the reset hole for one second
3) Insert the same SIM card into another 4G device to check if it receives a good 4G signal and if the internet works fine
4) Try to change Carrier from “Auto” to “Manual” to search carrier manually to see if your carrier is available or not
5) Double-check the network type and bands supported by your SIM carrier in your area, then check if it is compatible with the Deco router
If the problem is still not resolved after all the above troubleshooting, please contact TP-Link Technical Support and provide detailed information:
1) Model number, hardware, and firmware version
2) Your country, SIM card carrier
3) Screenshots of the Network status page, More->Internet page, and also your APN Profile Settings page
4) Troubleshooting you’ve done before and what the results were for each step
https://www.tp-link.com/


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