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An SIM card carries useful information, including your mobile phone number, 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 an SIM card.
Exercise caution when operating an SIM card, as friction or bending will damage the SIM card.
Properly keep the mobile phone and its fittings such as the SIM cards beyond children's reach.
Installation
Hold the End key for a while to power off the mobile phone
Push the back cover above the battery and remove it.