4k20 Repair Team

iPhone 4S Screen Replacement

Replace a cracked screen on your iPhone 4S.

Cisco 878 Integrated Services Router Teardown

Cisco 878 Integrated Services Router Top Cover Disassembly

Remove the top cover Cisco 878 device.

Cisco 878 Integrated Services Router Inner Metal Shield Disassembly

Remove the inner metal shield from Cisco 878 device.

Cisco 878 Router StrataFlash Memory module Replacement/Upgrade

How to replace/upgrade Cisco 878 Router StrataFlash Memory module.

Cisco 878 Integrated Services Router StrataFlash Memory module Disassembly

Remove the StrataFlash Memory module from Cisco 878 device.

How to open the chasis of Cisco 878 Integrated Services Router

Guide how to open the chasis of Cisco 878 Integrated Services Router.

Cisco 878 Integrated Services Router SHDSL Filter Module Disassembly

Cisco 878 Integrated Services Router Motherboard Disassembly

Toshiba Portege R700-S1312 Battery Replacement

This guide will teach you how to replace your laptop's battery.