Samsung i8262d mobile phone has dual card dual standby, and now the sim card cannot be displayed on card 2.

According to your description, if the phone can't recognize the SIM card, I suggest you:

1. Please check whether the SIM card is properly placed and try again after reinstallation.

2. Turn off the phone, take out the SIM card, and rub the SIM card chip with an eraser.

3. Try to replace the SIM card.

4. If your mobile phone supports online upgrade, please go to Settings-About Devices-Software Update-Update (please back up the data in your mobile phone before upgrading).

5. Back up data (contacts, text messages, pictures, etc.). ) and restore the factory settings (Settings-Reset-Restore Factory Settings).

If the problem still exists, please take the purchase invoice, maintenance card and machine to the Samsung service center, and the professional after-sales engineer will help you test it. Please click the following link to find out the specific location of Samsung Service Center:.

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