Lenovo ThinkPad X390 Yoga Hardware Maintenance Manual page 82

• "1020 Nano-SIM card tray (for selected models)" on page 65
• "1030 Base cover assembly" on page 65
• "1040 Battery" on page 66
• "1090 Speaker assembly" on page 71
Removal steps of the smart-card reader and the smart-card-reader cable
Step Screw (quantity)
4
M2 × L2.5 mm, thin head (3)
5
M2 × L3 mm, flat-head, nylon-coated (2)
76
X390 Yoga Hardware Maintenance Manual
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)
Black 0.181 Nm
(1.85 kgf-cm)