Samsung SGH-A257URAATT - Manual (Page 8)

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Section 1: Getting Started
This section describes the first steps to operating your phone.
SIM Card Information
When you subscribe to cellular network services, you receive a
plug-in Subscriber Identity Module (SIM) card loaded with your
subscription details, such as your PIN, and available optional
services.
Activating Your Phone
Activating your phone requires several things: inserting the SIM
card, charging the battery, and turning the phone on.
ᮣ If necessary, power-off the phone by pressing and
holding until the power-off image is displayed.
Removing the Battery
1. Press the back cover down from the top back of the phone
(1) while pressing in on the cover release near the bottom
(2). Lift up and remove the back cover from the phone.
2. Lift the battery up (1) and away from the phone (2).