Samsung Galaxy A21 SC-42A, Инструкция по эксплуатации, Страница: 24 / 159

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Getting started
Information
• The back cover cannot be removed. Attempting to remove the back
cover with excessive force may cause damage or malfunction.
• The terminal's battery is built-in and you cannot replace it yourself.
• Be careful not to expose the camera lens to a strong light source,
such as direct sunlight. If the camera lens is exposed to a strong light
source, such as direct sunlight, the camera image sensor may be
damaged. A damaged image sensor is irreparable and will cause dots,
etc. in pictures.
docomo nanoUIM card
The docomo nanoUIM card is an IC card storing user information
such as phone numbers.
• Only docomo nanoUIM card is available for the terminal. If you have
a docomo miniUIM card, docomo UIM card or FOMA card, bring it to
docomo Shop to replace.
• If docomo nanoUIM card is not inserted, you cannot use functions such
as calling, sending/receiving SMS, packet communication.
• In Japan, calls to emergency telephone numbers (110, 119, 118)
cannot be made if docomo nanoUIM card is not installed.
• For details on handling docomo nanoUIM card, refer to docomo nanoUIM
card manual or NTT DOCOMO website.
Security codes of docomo nanoUIM card
The docomo nanoUIM card has security code, named PIN code (P.32).