Motorola Photon 4G MB855 Motherboard Replacement

简介

If your Motorola Photon 4G MB855 phone is malfunctioning and you cannot fix it through other guides, the motherboard may need to be replaced. Use this guide to replace the motherboard.

你所需要的

步骤 1 Removing the Back Cover

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Back Cover: 步骤 1 中的图像 1，2

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Back Cover: 步骤 1 中的图像 2，2

Insert a plastic opening tool into the indentation at the bottom of the phone between the front and rear covers.
Lift the back cover from the bottom and remove it from the phone.

翻译

步骤 2 Removing the Battery

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Battery: 步骤 2 中的图像 1，2

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Battery: 步骤 2 中的图像 2，2

Insert a plastic opening tool, or your finger, into the notch in between the sim card and the battery and lift the battery upward.
Remove the battery from your phone.

翻译

步骤 3 Removing Screw Covers

Motorola Photon 4G MB855 Motherboard Replacement, Removing Screw Covers: 步骤 3 中的图像 1，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing Screw Covers: 步骤 3 中的图像 2，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing Screw Covers: 步骤 3 中的图像 3，3

Remove all five screw covers with tweezers located in the picture.

翻译

步骤 4 Removing the Midframe

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Midframe: 步骤 4 中的图像 1，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Midframe: 步骤 4 中的图像 2，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing the Midframe: 步骤 4 中的图像 3，3

Remove the 10 T4 Torx screws securing the midframe to the display assembly.
Gently pry the midframe from the display assembly and remove it.

翻译

步骤 5 Unclipping Display Data Cable

Motorola Photon 4G MB855 Motherboard Replacement, Unclipping Display Data Cable: 步骤 5 中的图像 1，3

Motorola Photon 4G MB855 Motherboard Replacement, Unclipping Display Data Cable: 步骤 5 中的图像 2，3

Motorola Photon 4G MB855 Motherboard Replacement, Unclipping Display Data Cable: 步骤 5 中的图像 3，3

Locate the Display Data Cables
Use hands or plastic opening tool to carefully pry off the connectors.

翻译

步骤 6 Removing Motherboard

Motorola Photon 4G MB855 Motherboard Replacement, Removing Motherboard: 步骤 6 中的图像 1，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing Motherboard: 步骤 6 中的图像 2，3

Motorola Photon 4G MB855 Motherboard Replacement, Removing Motherboard: 步骤 6 中的图像 3，3

Be careful when removing the motherboard. The earpiece is connected with small wires and adhesive. Use a thin tool to pry it off before removing the motherboard.
Use a plastic opening tool to gently pry off each section of the Motherboard.
Slowly and carefully remove the motherboard from the front panel assembly.