What to do when iPhone 13 promax displays SIM card failure

As a model released last year, the iPhone 13 pro max has made little progress in terms of hardware since the new iPhone 14 series models launched this year. Therefore, after this release, most consumers found that the iPhone 13 is still popular, and even has the name of "13 fragrances". However, there are also many problems in the process of using mobile phones. For example, what if iPhone 13 promax displays SIM card failure? Come and see it with Xiao Bian!

What should I do if iPhone 13promax displays SIM card failure? IPhone13promax displays SIM card failure solutions:

1. Check whether the mobile phone card is installed incorrectly. If it is installed incorrectly, reinstall it.

2. Check if the card slot is damaged. You can insert another mobile phone card to see if it is a problem with the card slot.

3. Check whether it is necessary to install a card sticker or if the card sticker is damaged. Some locked mobile phones can search signals only with the card sticker. This kind of mobile phone can only be used normally with the card sticker installed. If the card sticker is damaged, replace it in time.

4. Check whether there is oxidation problem with the mobile phone card. You can try installing the mobile phone card into another mobile phone to see if it is a problem with the mobile phone card.

What if iPhone 13 promax displays SIM card failure? In fact, it is still very simple. Basically, we can know what the reason is according to what Xiaobian said one by one. I believe my friends can't wait to have a try by themselves after reading the above content. What are you waiting for? Quickly pick up your mobile phone and try it!