LG Optimus F5: Unrecognized SIM card

You have just bought an LG Optimus F5 and when you turn it on, it displays the following error text: SIM card not recognized. Oftentimes the LG Optimus F5 does not recognize the SIM card and displays this message. In this case, it is not necessarily required to bring the LG Optimus F5 directly back. Indeed, there are a lot of tricks to solve this trouble. We will consequently see in this content, what are the stuff to do and check so that the SIM card is recognized on your LG Optimus F5.unrecognized-sim-card-LG-Optimus-F5

How to proceed when ever the SIM card is not recognized on my LG Optimus F5

If the SIM card is not recognized on your LG Optimus F5, below is a list of stuff that will 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 LG Optimus F5 is to wash it up. In fact, it may possibly happen that dirt partially prevents the contact between the SIM card and the smartphone. 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 LG Optimus F5

Oftentimes the trouble may possibly result from the location of the SIM card. In fact, it often happens that little 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 LG Optimus F5 from reading the SIM card. To solve this trouble, you simply need to thicken the SIM a little by gluing one or two pieces of tape at the back.

Test the SIM card on another phone

To find out if the trouble originates from the SIM card, you may test it on another phone and you will have your answer. In case it is not recognized on other devices, you may modify the SIM card.

Try another SIM card on your LG Optimus F5

If the two previous steps do not give anything, it is required to test another SIM card to find out if the trouble originates from the card. Indeed, if other SIM card work on the LG Optimus F5, it is because the trouble originates from the card. Otherwise, it is at the level of the phone that we will have to look.

Check that your LG Optimus F5 is not Simlocker

When you have tried a lot of SIM cards on the LG Optimus F5 and none are recognized, the phone might be Simlocker. This means that the LG Optimus F5 will recognize simply the SIM card of a certain operator. In this case, you have to unlock it. You will find without a hassle a lot of offer on the web that will do that.

Check that the problem will not result from the ROM installed on the LG Optimus F5

This part mainly concerns the people who root the LG Optimus F5 to install a ROM that is not initial. If this is actually what you have carried out, be aware that the unrecognized SIM card trouble is quite common after installing new ROMs. We highly recommend that you reinstall an initial ROM and re-test it.

If nothing functions

If all the above solutions do not work, we recommend you to bring your LG Optimus F5 and the SIM card back to one of your operator’s shops.