COMMELL LS-37B - Manual (Page 32)

LS-37B User’s Manual
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2.12.1 <SIM Setup>
Step1.
SIM card holder is marked by circle.
Slide the cap toward OPEN direction.
Step 2.
Make sure that the cap is now at the OPEN position.
Step 3.
Flip the cap up for inserting a SIM card into.