Nokia C21 user guide
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Insert the SIM and memory cards
Insert the SIM and memory cards
- Put your fingernail in the back cover opening slot, bend the back cover open, and remove it.
- Slide the nano-SIM in slot 1 with the contact area face down.
- If you have a dual-SIM phone, slide the second SIM card in slot 2
- If you have a memory card, slide it in the memory card slot.
- Put back the back cover.
Use only original nano-SIM cards. Use of incompatible SIM cards may damage the card or the device, and may corrupt data stored on the card.
Use only compatible memory cards approved for use with this device. Incompatible cards may damage the card and the device and corrupt data stored on the card.
Tip: To find out if your phone can use 2 SIM cards, see the label on the sales box. If there are 2 IMEI codes on the label, you have a dual-SIM phone.
Note: Switch the device off and disconnect the charger and any other device before removing any covers. Avoid touching electronic components while changing any covers. Always store and use the device with any covers attached.
Important: Do not remove the memory card when an app is using it. Doing so may damage the memory card and the device and corrupt data stored on the card.
Tip: Use a fast, up to 256 GB microSD memory card from a well-known manufacturer.