You have just bought an Doogee F7 and when you turn it on, it displays the following error text: SIM card not recognized. Occasionally the Doogee F7 does not recognize the SIM card and displays this message. In this circumstance, it is not necessarily necessary to bring the Doogee F7 directly back. In truth, there are a lot of tips to solve this issue. We will therefore find out in this content, what are the things to do and verify to ensure the SIM card is recognized on your Doogee F7.
How to proceed when the SIM card is not recognized on my Doogee F7
Whenever the SIM card is not recognized on your Doogee F7, below is a list of things that can help you determine 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 Doogee F7 is to clean it up. In truth, it may 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 Doogee F7
Occasionally the issue may sourced from the location 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 Doogee F7 from reading the SIM card. To solve this issue, 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 issue originates from the SIM card, you can test it on another phone and you will have your answer. If it is not recognized on other devices, you can modify the SIM card.
Try another SIM card on your Doogee F7
Whenever the two previous steps do not give anything, it can be necessary to test another SIM card to find out if perhaps the issue originates from the card. In truth, if perhaps other SIM card work on the Doogee F7, it can be because the issue originates from the card. Otherwise, it can be at the level of the phone that we will have to look.
Check that your Doogee F7 is not Simlocker
In case you have tried a lot of SIM cards on the Doogee F7 and none are recognized, the phone might be Simlocker. It indicates that the Doogee F7 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 web that can do that.
Check that the problem does not sourced from the ROM installed on the Doogee F7
This part mainly concerns the people who root the Doogee F7 to install a ROM that is not original. Whenever this is actually what you have carried out, be aware that the unrecognized SIM card issue is quite common after installing fresh ROMs. We suggest that you reinstall an original ROM and re-test it.
Whenever nothing works
Whenever all the above solutions do not work, we recommend you to bring your Doogee F7 and the SIM card back to one of your operator’s shops.
