T-Mobile 5G21-12W-A - Page 37

T-Mobile High-Speed Internet Gateway User Guide [Issue 4.0]
Page 37
Need help? Visit http://isp.t-mobile.com/support
or call T-Mobile customer service at 1-844-275-9310
8. Replace the SIM tray—use the Phillips screwdriver to tighten the
cross-screw and secure.