3. Getting started
3.1 Installing the SIM cards and the battery
An SIM card carries useful information, including your mobile phone num-
ber, PIN (Personal Identification Number), PIN2, PUK (PIN Unlocking
Key) , PUK2 (PIN2 Unlocking Key), IMSI (International Mobile Subscriber
Identity), network information, contacts data, and short messages data.
Note:
• After powering off your mobile phone, wait for a few seconds before
removing or inserting a SIM card.
• Exercise caution when operating a SIM card, as friction or bending will
damage the SIM card.
EN
• Properly keep the mobile phone and its fittings such as the SIM cards
beyond children's reach.
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