What if Samsung mobile phone cannot read SIM card?

1. The simplest problem is to check if there is a problem with the SIM card. We can go to the operator to check the problem or change the card.

Restart your mobile phone to see if it is OK or not. We can try another mobile phone and insert the SIM card into your mobile phone. If it is possible that your card is broken, you only need to complete the card.

2. Check whether the mobile phone is faulty.

Check whether the cell phone card slot is broken. This method also inserts a good SIM card into your cell phone. If it cannot be identified that the cell phone card slot is broken, we can adjust it.

3. Upgrade the system.

Go to mobile phone settings to check whether the current version of mobile phone washing is the latest. Try to upgrade the version first. If not, go to the next step.

4. Restore factory settings

Restore the factory settings, the methods for restoring factory settings for different mobile phones are different here. You can restore factory settings based on your mobile phone model (however, please back up your contact, text message photos, and so on)

5. Mobile aftersales service site

If the problem cannot be solved, you can send the mobile phone to the after-sales service or mobile phone repair site for troubleshooting.