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The Samsung Galaxy A71 is an Android smartphone manufactured by Samsung Electronics as part of the Galaxy A series. It was released in January 2020. Versions: SM-A715F/DS, SM-A715F/DSN (Global), SM-A715F/DSM (Russia).

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My samsung says no sim detected

Sim says not detected

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@amanuelfetene SIM card are usually not detected because of a SIM card error. You will need to contact your service provider to ensure that you have teh appropriate SIM card.

Once you are 100% sure you have a proper SIM card, then there is the possibility of a bad SIM card reader. Follow this flowchart

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and use the search function on your PDF reader on this document Component Layoutto find the location for the components that need to be checked.

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Amanuel Fetene will be eternally grateful.
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