Motorola V557 Motherboard Replacement

First, on the back of the phone find the silver button on the top left corner of the phone.

Simultaneously push down the button and slide the back plate down to reveal the battery.

Grab the lower edge of the battery at the two bottom corners.

Pull upward on the edges to remove the battery.

Push the metal slider towards the top of the phone until it clicks out of the original position.

Gently slide out and remove the SIM card.

Grip the antenna and twist it counterclockwise to loosen it.

When it has been loosened all the way, pull gently to remove the antenna piece.

Using the push pin, gently pry the top two screws of the cover off.

The cover in the upper left of the back plate does not need to be removed.

At the corners of the phone, remove all four 6.0 mm Torx screws, using your screwdriver.

Next, insert a spudger into the marked holes. One at a time pry away from the phone to release the internal tabs.

Then, separate and detach the rear casing.

Separate the front ribbon cable from the board with a plastic opening tool.

Make sure you don’t break the ribbon cables that attach to the side buttons when removing the motherboard.