Question about Samsung SGH-J750 Cell Phone

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Keeps saying 'please insert sim'

I have a Samsung J750 and have had it for about 6 months with no problems, and i left my phone for two hours, during which it turned off and wont let me turn it back on because it keeps saying ''please insert sim card'' and the sim is perfectedly fine along with the battery so i dont understand why it is suddenly doing this and how can i fix it?
i have taken the sim out, taken the battery out, i dont know what else i can do

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  • 458 Answers

Your SIM card is not being read anymore due to a number of reasons.
Try rubbing the SIM card with a clean smooth dry cloth and then insert it again.
If that doesnt work, your SIM might be damaged, take it to your network provider and they will replace it, hopefully with your same phone number.

Posted on Jan 05, 2010

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Posted on Jan 02, 2017

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Hi,when a phone keeps saying insert Sim card, is either the Sim card has problem or the Sim tray of the phone is bad and will need tobe replaced.

To confirm, Take the Sim card and insert it into another phone, If it still says insert Sim, that means the Sim card is bad, But if the Sim card works with another phone, That means the Sim tray of the phone is damaged.

Sim tray is located on the phone where you insert your Sim card in on the phone to make sure the Sim works with the phone.

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INSERT SIM


If the display says "Insert SIM," it means that the phone has no contact with your subscription card (SIM card) that is inserted in the phone. We recommend that you remove the battery and the SIM card, and clean the connectors on the SIM card and the phone with a soft brush, cloth or Q-tip moistened with any type of unflavored colorless alcohol.
At the same time, check that the card is not damaged or worn in any way, in that case, the connector may not align with the connector in the phone. Please contact your operator / carrier for a new SIM card.

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Wait a few minutes and then turn the phone on with no card in it.

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