replacing the optic fibre cable for my unifi ISP box and diagnosing the blinking red LOS light

Links:
t.ly/JvlN
t.ly/bxtg
t.ly/Qm8w

Timestamps:
0:00 Intro
0:21 (Solution 1) Reconnecting White Optic Fibre Cable
0:40 Black Exterior Optic Fibre Cable Inspection
0:50 Black Exterior Optic Fibre Cable Replacement
1:00 Shopee Shop Link
1:15 Finding Your Exterior TM Box
1:30 Opening up the Exterior TM Box
1:56 (FRAGILE) Exterior Underground Wire
2:14 Removing the Old Black Exterior Optic Fibre Cable
2:45 Replacing the Black Exterior Optic Fibre Cable
3:05 Connecting the Other End to the Interior Box
3:29 Connecting the White Optic Fibre Cable
3:47 Turning on the Modem and Internet Diagnosis
3:57 Closing up the Interior Box
4:30 FIN. Thanks for Watching!