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Samsung Galaxy A21s
Android 10.0
1. Find "Import or export contacts"
Slide your finger upwards on the screen.
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Press Contacts.
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Slide your finger right starting from the left side of the screen.
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Press Manage contacts.
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Press Import or export contacts.
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2. Copy contacts from your SIM to your phone
Press Import.
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Press the name of the SIM.
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Press the field above "All".
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Press Done.
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Press Phone.
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Press Import.
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3. Copy contacts from your phone to your SIM
Press Export.
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Press the name of the SIM.
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Press the field above "All".
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Press Done.
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Press Export.
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Press OK.
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Press OK.
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4. Return to the home screen
Press the Home key to return to the home screen.
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