1130 Main Wireless Wan Antenna (For Wireless Wan Models Of Lenovo 300W Yoga Gen 4 Only); M2 × 3.5 Mm, Flat-Head, Nylon-Coated; 1020 Base Cover Assembly; Color Torque - Lenovo 100w Gen 4 Hardware Maintenance Manual

Removal steps of the USB-C bracket
Step Screw (quantity)
1
M2 × 3.5 mm, flat-head, nylon-coated (4)
1130 Main wireless WAN antenna (for wireless WAN models of Lenovo
300w Yoga Gen 4 only)
For access, remove these FRUs:
• "1020 Base cover assembly" on page 52
• "1080 Daughter board bracket" on page 60
• "1110 Built-in battery" on page 61
Removal steps of the wireless WAN antenna (main)
Torque
Color
0.181 Nm
Silver
(1.85 kgf-cm)
.
Chapter 5 Removing or replacing a FRU
63