You have just bought an ASUS Zenfone 4 and when you turn it on, it displays the following error text message: SIM card not recognized. Oftentimes the ASUS Zenfone 4 does not recognize the SIM card and displays this message. In this case, it is not necessarily important to bring the ASUS Zenfone 4 directly back. Certainly, there are several techniques to fix this issue. We will therefore find out in this article, what are the things to do and confirm so that the SIM card is recognized on your ASUS Zenfone 4.
How to proceed when the SIM card is not recognized on my ASUS Zenfone 4
In cases where the SIM card is not recognized on your ASUS Zenfone 4, below is a list of things that could help you discover the source of the issue, find out repairing the issue.
Clean SIM card
One of the first things to do if the SIM card is not recognized on your ASUS Zenfone 4 is to clean 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 location of the SIM card on your ASUS Zenfone 4
Oftentimes the issue may originate from the location of the SIM card. In truth, it often occurs that tiny metal plugs that most of the time have to come in contact with the SIM card are a little relaxed. When this is the case, this prevents the ASUS Zenfone 4 from reading the SIM card. To fix this issue, you just have to thicken the SIM a little by gluing 1 or two pieces of tape at the back.
Test the SIM card on another phone
To find out if the issue comes from the SIM card, you can actually test it on another phone and you will have your answer. When it is not recognized on other devices, you can actually modify the SIM card.
Try another SIM card on your ASUS Zenfone 4
In cases where the two previous steps do not give anything, it is important to test another SIM card to find out if perhaps the issue comes from the card. Certainly, if perhaps other SIM card function on the ASUS Zenfone 4, it is because the issue comes from the card. Otherwise, it is at the level of the phone that we will have to look.
Verify that your ASUS Zenfone 4 is not Simlocker
In case you have tried several SIM cards on the ASUS Zenfone 4 and none are recognized, the phone may perhaps be Simlocker. This implies that the ASUS Zenfone 4 will recognize simply the SIM card of a specific operator. In this case, you have to unlock it. You will find without a hassle a lot of provide on the internet that could do that.
Check that the problem does not originate from the ROM installed on the ASUS Zenfone 4
This part mainly concerns the people who root the ASUS Zenfone 4 to install a ROM that is not initial. In cases where this is actually what you have done, be aware that the unrecognized SIM card issue is quite common after setting up fresh ROMs. We highly recommend that you reinstall an initial 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 ASUS Zenfone 4 and the SIM card back to 1 of your operator’s shops.
