Samsung SCHI830 Phone Manual page 163

Removing the SIM Card
To remove your SIM card:
Note: Press and hold to turn off the phone (if on).
1.
Remove the battery.
2.
Slide the SIM card to the left, and then lift to remove.
IMPORTANT:
IMPORTANT:
Section 2I: Sprint Worldwide Wireless Service
Please hold the SIM card by its sides. Avoid touching the
circuits as this may cause damage to the SIM.
Sprint has provided a unique SIM card to be used with
your phone.
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