You have just acquired an Sony Xperia C4 and when you turn it on, it displays the following error text message: SIM card not recognized. At times the Sony Xperia C4 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily important to bring the Sony Xperia C4 directly back. In fact, there are several tricks to solve this trouble. We will consequently discover in this tuto, what are the stuff to do and verify to ensure that the SIM card is recognized on your Sony Xperia C4.
How to proceed when ever the SIM card is not recognized on my Sony Xperia C4
In cases where the SIM card is not recognized on your Sony Xperia C4, below is a list of stuff which could help you discover the source of the trouble, discover repairing the trouble.
Clean SIM card
One of the first stuff to do if the SIM card is not recognized on your Sony Xperia C4 is to clean it up. In fact, it may happen that dirt partially prevents the contact between the SIM card and the cellphone. To clean it, pass a small dab of cloth over it and check if it is not damaged.
Check the location of the SIM card on your Sony Xperia C4
At times the trouble may be caused by the location of the SIM card. In fact, it often occurs that tiny 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 Sony Xperia C4 from reading the SIM card. To solve 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 another cellphone
To find out if the trouble comes from the SIM card, you may test it on another phone and you will have your answer. When it is not recognized on other devices, you may change the SIM card.
Try another SIM card on your Sony Xperia C4
In cases where the two previous steps do not give anything, it can be important to test another SIM card to find out in cases where the trouble comes from the card. In fact, in cases where other SIM card work on the Sony Xperia C4, it can be because the trouble comes from the card. Otherwise, it can be at the level of the cellphone that we will have to look.
Check that your Sony Xperia C4 is not Simlocker
In case you have tried several SIM cards on the Sony Xperia C4 and non-e are recognized, the cellphone could be Simlocker. This means that the Sony Xperia C4 will recognize just 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 net which could do that.
Check that the problem will not be caused by the ROM installed on the Sony Xperia C4
This part mainly concerns the people who root the Sony Xperia C4 to install a ROM that is not original. In cases where this is actually what you have done, be aware that the unrecognized SIM card trouble is quite common after installing fresh ROMs. We highly recommend that you reinstall an original ROM and re-test it.
In cases where nothing functions
In cases where all the above solutions do not work, we advise you to bring your Sony Xperia C4 and the SIM card back to one of your operator’s shops.
