Galaxy S7 - Replacing the battery

1. Turn off your device by holding down the power button until the “Power off” option appears.
2. Use your finger to confirm that you want to shut down your Galaxy S7 and wait until the screen goes blank.

1. Use the SIM tool to eject the SIM tray from your device and then remove the tray with your fingers.

1. The glass back cover is glued to the chassis. Remove the back cover by putting on a suction cup and pulling on it. Also use a pick to push against the frame. Heat your device with hot air beforehand so the glue will be easier to detach.
2. As soon as a gap appears between the back cover and the chassis, you can insert the pick between the two parts.

The back cover is painted on the inside. Remove any adhesive residue carefully to avoid scratches or cracks.

3. Use more picks to disconnect all the corners one after the other.
4. Remove the back cover as soon as all the glue is detached.

1. Remove the twelve screws that hold the antennas and the speaker in place.
   12 x 3.3 mm PH00 Phillips screws
2. Remove the yellow adhesive strip.

1. Disconnect the upper antenna from the enclosure. The antenna is hooked onto the enclosure. Start at the upper right corner.
2. As soon as the antenna has come off on the right side, carefully pull it up in the middle so the left side will come off, too.
3. Remove the antenna from the enclosure.

1. Pull the middle antenna out of the enclosure. Note that it’s hooked onto the lower antenna.

1. Disconnect the speaker by using the tweezers to unhook it on the left side.
2. Remove the speaker from the enclosure.

1. Using the spudger, carefully disconnect the battery contact from the motherboard. Carefully pry the contact out of the socket.

1. Using the spudger, carefully disconnect the front camera’s contact from the motherboard.
2. Remove the front camera from the enclosure.

1. Using the spudger, carefully disconnect the following contacts from the motherboard.
   Volume rocker switch
   Proximity sensor
   Earpiece
   Display
   Power button
   Antenna cable
   Sensor buttons

1. The bottom of the motherboard (arrow) is connected to the USB port.
2. Carefully tilt the board up by 180° so you can get at the contact. Don’t pull too hard on the board.
3. Using the spudger, carefully disconnect the contact from the PCB.
4. Remove the board.

There's a small plastic pin in the opening of the SIM tray. Make sure it doesn't fall out.

Be very careful during this step. Use a flat, blunt tool like the round end of the steel laboratory spatula to avoid damaging the battery.

1. The battery is really glued to the enclosure, so be very careful when you’re removing it. Using your tool, carefully detach the battery from the enclosure. First insert your tool on the side between the battery and the enclosure and use it as a lever.
2. Repeat this process on the opposite side of the battery.
3. Then carefully insert your tool below the battery and detach the glue under it.
4. Remove the battery from the enclosure.

1. Put the battery in the enclosure. It fits perfectly into the compartment in the middle of the enclosure.
2. Press the battery against the enclosure so the glue will stick better.

1. Turn the board upside down and put it at the lower end of the enclosure to reconnect the USB port’s contact.
2. Connect the contact so you can hear it click into the socket.
3. Fold the board over so you can put it in the enclosure.

1. Connect the following contacts to the motherboard.
   Volume rocker switch
   Proximity sensor
   Earpiece
   Display
   Power button
   Antenna cable
   Sensor buttons

1. Put the front camera in the recess in the upper edge of the enclosure.
2. Connect the camera to the motherboard. You have to hear the contact click into place.

1. Connect the battery to the motherboard. Press the contact into the socket on the motherboard until you hear it click into place.

1. Put the speaker at the lower end of the enclosure.
2. Press on the speaker with your fingers until it clicks into place in the enclosure.

1. Put the antenna back in the enclosure after hooking it onto the lower antenna.
2. Press on the antenna with your fingers until it clicks into place in the enclosure.

1. Put the antenna back in the enclosure. First put it on the left side and then press it on firmly with your fingers.
2. You should be able to hear the antenna click into place.

1. Put the yellow adhesive strip back on.
2. Attach everything using the screws.
   12 x 3.3 mm PH00 Phillips screws

1. Put the back cover back in its original position.
2. Press the back cover on all over so the glue will stick.
3. You can also heat your device with hot air and then clamp it or weight it down with a couple books so the glue will stick better.

1. Insert the SIM tray back into your device. Make sure the tray is positioned properly.