You have just acquired an Sony Xperia Z4 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the Sony Xperia Z4 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily required to bring the Sony Xperia Z4 directly back. In truth, there are a lot of tricks to fix this trouble. We will for that reason see in this content, what are the things to do and check to ensure that the SIM card is recognized on your Sony Xperia Z4.
How to proceed when the SIM card is not recognized on my Sony Xperia Z4
Whenever the SIM card is not recognized on your Sony Xperia Z4, below is a list of things that will help you discover the source of the trouble, see repairing the trouble.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your Sony Xperia Z4 is to clean it up. In truth, it might happen that dirt partially prevents the contact between the SIM card and the cellphone. 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 Sony Xperia Z4
Oftentimes the trouble might result from the tracking of the SIM card. In truth, it often happens that small metal plugs that normally have to come in contact with the SIM card are a bit relaxed. When this is the case, this prevents the Sony Xperia Z4 from reading the SIM card. To fix this trouble, you just simply have to thicken the SIM a little by gluing one or two pieces of tape at the back.
Test the SIM card on a different phone
To find out if the trouble comes from the SIM card, you can actually test it on a different phone and you will have your answer. If it is not recognized on other devices, you can actually modify the SIM card.
Try another SIM card on your Sony Xperia Z4
Whenever the two previous steps do not give anything, it can be required to test a different SIM card to find out in cases where the trouble comes from the card. In truth, in cases where other SIM card work on the Sony Xperia Z4, it can be because the trouble comes from the card. Otherwise, it can be at the level of the phone that we will have to look.
Confirm that your Sony Xperia Z4 is not Simlocker
When you have tried a lot of SIM cards on the Sony Xperia Z4 and none are recognized, the phone could possibly be Simlocker. It indicates that the Sony Xperia Z4 will recognize simply the SIM card of a certain operator. In this circumstance, you have to unlock it. You will find without a hassle a lot of provide on the internet that will do that.
Check that the problem will not result from the ROM installed on the Sony Xperia Z4
This part mainly concerns the people who root the Sony Xperia Z4 to install a ROM that is not initial. Whenever this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after setting up new ROMs. We suggest that you reinstall an initial ROM and re-test it.
Whenever nothing works
Whenever all the above solutions do not work, we recommend you to bring your Sony Xperia Z4 and the SIM card back to one of your operator’s shops.
