Inleiding
To replace or install a SIM card in your Blackberry 7520, follow this guide.
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Turn the phone upside down.
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Push down on the black button on the back of the phone to slide the rear panel off.
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The battery should be visible now.
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Push back on the black slot, then grab hold on top of the black slot and pull back so the SIM card and black slot pull back.
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Bijna klaar!
To reassemble your device, follow these instructions in reverse order.
Conclusie
To reassemble your device, follow these instructions in reverse order.