As the 2016 flagships of Samsung, the Galaxy S7 and S7 Edge feature higher capacity batteries compared with the Galaxy S6 and S6 Edge. The Galaxy S7 and S7 Edge batteries are non-removable, which doesn't it's unable to be replaced. In some cases, the battery has to be replaced in order to cure the device. Here we're going to show to how to replace the Galaxy S7 and Galaxy S7 Edge batteries step by step.
Tools Needed:
Heat Gun/Hot Plate Machine
Guitar Picks/Playing Cards
How to Disassemble the Galaxy S7 for Battery Replacement?
1. Power off the device and remove the Galaxy S7 SIM card tray.
2. Heat up along the sides of Galaxy S7 for 1~2 minutes, the back cover is glued to the rear housing with sticky waterproof adhesive. Pay your patience on this step and make sure the Galaxy S7 back cover adhesive is nicely warm and loosen.
Insert the spudger tip into the back cover and carefully raise it up so as not to damage the fragile glass, stick a playing card in and walk it around, then insert a guitar pick and run it along the edges of Galaxy S7 back cover. The adhesive is easily cooled down, you'll need to heat it up back and forth before releasing the back cover. Likewise, be patient.
Now the Galaxy S7 back cover was pulled out from a large portion of strong adhesive as you can see from the below picture, also avoid to hurt the fingerprint sensor in the middle of rear housing while you're heating.
3. Undo the 12 screws in the rear housing. The screws are in the same size, no worries to mix them up. Use a pair of tweezers to pick up the screws if they're still stuck in the holes.
Peel off the yellow tape and then remove the Galaxy S7 loudspeaker assembly.
Remove the Galaxy S7 top cover.
Remove the Galaxy S7 wireless charging chip, be careful not to damage this vulnerable part.
Now the Galaxy S7 rear housing set was disassembled.
4. Pry up the connectors shown in below to release the Galaxy S7 motherboard.
5. Wedge the metal spudger under the battery and pry it back and forth, you may also need a plastic plain card and a plastic spudger to help to remove the battery. The battery is glued to the front housing with strong adhesive in square, that's why the battery is stucking so well.
How to Disassemble the Galaxy S7 Edge for Battery Replacement?
1. Shut down the Samsung Galaxy S7 Edge then remove the SIM card tray.
2. Heat up the back the S7 edge(until it’s too hot to touch), then apply the suction cup to the back cover of the S7 edge.
3. Pry the edge of the S7 edge back cover a little bit to insert the thin metal spudger.
4. Slide away the metal spudger a little bit then insert some business cards/playing cards to do the rest.
5. Once the back cover has been released, undo the 12 Phillips screws holding the rear housing.
6. Use the plastic separation tool to separate the top plastic bracket then remove the wireless charging pad.
7. Disconnect the battery cable, power cable, display cable and the volume button cable.
8. Use a pair of tweezers to remove the loud speaker module.
9. Pop off all the antenna cables and the fingerprint scanner cable.
10. Disconnect the earphone connector, front facing camera connector and the proximity and light sensor connector.
11. Lift up the motherboard then disconnect the charging port connector.
12. Heat up to the adhesive underneath the battery, then use the metal spudger to lift it up (slowly and carefully).