You have just bought an Xiaomi Mi4 and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Xiaomi Mi4 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Xiaomi Mi4 directly back. In fact, there are many methods to solve this trouble. We will for that reason see in this tuto, what are the stuff to do and confirm so that the SIM card is recognized on your Xiaomi Mi4.
What to do when ever the SIM card is not recognized on my Xiaomi Mi4
If perhaps the SIM card is not recognized on your Xiaomi Mi4, below is a list of stuff which could help you discover the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Xiaomi Mi4 is to wash it up. In truth, it may happen that dirt partially prevents the contact between the SIM card and the mobile phone. To wash it, pass a small dab of cloth over it and check if it is not damaged.
Check the tracking of the SIM card on your Xiaomi Mi4
Occasionally the trouble may be caused by the tracking of the SIM card. In truth, it often occurs that small metal plugs that normally have to come in contact with the SIM card are a little bit relaxed. When this is the case, this prevents the Xiaomi Mi4 from reading the SIM card. To solve this trouble, you just simply have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another smartphone
To find out if the trouble comes from the SIM card, youre able to test it on another phone and you will have your answer. In case it is not recognized on other devices, youre able to change the SIM card.
Try another SIM card on your Xiaomi Mi4
If perhaps the two previous steps do not give anything, it can be important to test another SIM card to find out if the trouble comes from the card. In fact, if other SIM card work on the Xiaomi Mi4, it can be because the trouble comes from the card. Otherwise, it can be at the level of the smartphone that we will have to look.
Verify that your Xiaomi Mi4 is not Simlocker
When you have tried many SIM cards on the Xiaomi Mi4 and non-e are recognized, the smartphone may perhaps be Simlocker. It indicates that the Xiaomi Mi4 will recognize only the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of offer on the web which could do that.
Check that the problem will not be caused by the ROM installed on the Xiaomi Mi4
This part mainly concerns the people who root the Xiaomi Mi4 to install a ROM that is not original. If perhaps this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after setting up fresh ROMs. We advise that you reinstall an original ROM and re-test it.
If perhaps nothing works
If perhaps all the above solutions do not work, we advise you to bring your Xiaomi Mi4 and the SIM card back to 1 of your operator’s shops.
