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T-Mobile High-Speed Internet Gateway Operator
Manual
Nokia 3TG-01275-AAAA-TCZZA Issue: DRAFT
 
Procedure 9 Replacing the SIM card
1 With the SIM door and card tray removed, carefully place the new SIM card in the tray. See 
Figure 24.
2 Using the Phillips screwdriver (Cross), carefully replace the SIM tray and replace the small 
screw to secure the SIM card. See Figure 18.
Figure 24 SIM tray