What is the reason why Samsung Note39009 Dual SIM Dual Standby can not read mobile card

Hello: According to your description, you can try:

Try to replace a SIM card (whether the SIM card is aged or damaged)4Back up your phone data (**book, text messages, **, etc.), factory reset your phone.

For the N9009 simulation operation guide, please click on the following link. Teach you step-by-step practical tips to get the most out of your device.

The solution to the mobile card that the phone can't read:

1. Check whether the mobile phone supports the mobile card network, if it does not support the replacement of the mobile phone that supports the mobile card;

2. Check whether the mobile phone card slot is loose, take out the mobile card and reload it into the mobile phone;

3. Replace the mobile phone card slot, put the mobile phone card into the card slot 1 or card slot 2 respectively, and restart the mobile phone to see if the problem is solved;

4. If the above methods cannot solve the problem, it is recommended to call the customer service staff to consult and solve the problem, or go to the mobile phone after-sales service center to ask relevant professionals to solve the problem.

Hello dear Samsung users:

Based on your description, we recommend that you try it by following the steps below:

1.Turn the phone on and off again, check whether the mobile phone card is inserted in place and whether the insertion direction is correct2Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Back up your phone's data (**book, SMS, multi** files, etc.), restore factory settings, if the problem still exists, it is recommended that you send your phone to the nearest Samsung service center for testing and repair, and it is recommended that you make an "appointment to the store" repair application on Samsung's official website to enjoy priority repair service

After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.

Comments, suggestions, complaints, please click:

Hello dear Samsung users:

According to your description, if the SIM card on card 1 or card 2 is not recognized on the dual SIM phone, it is recommended that you:

1.Applications - Settings - (Connection) - SIM Manager - Select the card that does not show - Activate (Start) and then turn off the phone and restart.

2.If it is invalid, put the SIM card in another card slot to rule out whether it is a SIM card.

3.Try to change another SIM card.

4.Back up your data (contacts, text messages, **, etc.), factory reset (Settings – Reset Privacy Personal – Factory Reset).

If the problem persists, it is recommended that you bring the purchase invoice, warranty card and mobile phone to the local Samsung after-sales service center, and a professional engineer will help you test it. Samsung Service Center Address Inquiry**:

Samsung knows that we will provide you with high-quality solutions and answer your questions attentively, and hope to get your satisfactory evaluation.

Check it out to see if the card slot is broken.

According to your description, it is recommended that you try the following: Go to Contacts - Menu (touch the left touch button) - Show Options - Tap All Contacts. Return to contact the macro scum person to see if the person who collapsed the round system of the joint cover is displayed.

Hello dear Samsung users:

Based on your description, it is recommended that you try it as follows:

1.It is recommended that you go to Settings - Apps - All - SMS - Clear Data.

2.Restart your phone to see if it's a signal issue.

2.Try to change to a different SIM card, or wipe the contact point between the SIM card and the phone (whether the SIM card is in bad contact).

3.It is recommended that you try a firmware upgrade. (Settings - About Device - System Update)4Back up your phone data (**book, short message, multi** file, etc.), restore factory settings evaluation, suggestions, complaints, please click:

If you want to see which card the SMS sent and received from, here's how to do so

1.Under the Standby page, click Info.

2.Click to open a message.

3.Next to the message dialog will be displayed as originating from card 1 or card 2.

Is this the first or last time? Turn it back on, and then you let it slow down and check the contacts again, see how it is, my phone is the same, sometimes it doesn't read out, it is unresponsive, this kind of phone, you have to be patient, try it.

Samsung Note3 can't recognize SIM card Solution:

1.Turn the phone on and off again and check whether the mobile phone card is inserted in place and correct2Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Back up your phone's data (**book, SMS, multi** files, etc.), restore factory settings, if the problem persists, it is recommended to send your phone to the nearest Samsung service center for testing and repair.

If the mobile phone does not copy the Internet through mobile data, it is recommended that you: 1Swipe down the top curtain of the screen to turn on mobile DU data.

2.If so. zhi still can't do it.

3.Try a different SIM card or a different time period to troubleshoot network issues.

4.Upgrade your phone to the latest version.

5.If it doesn't work, please back up the data in your phone and restore the machine to factory settings.

If the problem persists, please bring the purchase receipt, repair card and machine to the Samsung service center for inspection.

Hello: According to your description, it is recommended that you try it by following the steps below:

3.Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

4.Try to replace a SIM card (if the SIM card is aged or damaged).

If the problem still exists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine, you can check the Samsung service center information through the following link:

Have a great day!

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This situation.

It is recommended to transfer the phone card.

Test it on another mobile phone to confirm whether it is stuck.

Use Android mobile phones or buy domestic brands, Samsung has no advantage, and the cost performance is very low.