How To Repair Swollen Battery In S7 Edge

Introduction

Follow this guide to supersede a dead or low-capacity battery for the Samsung Milky way S7 Edge.

Notation: The curved edge and potent adhesive make the initial opening process very challenging. Be patient, repeat multiple estrus and pull cycles, and the adhesive will eventually loosen.

Before disassembling your telephone, belch the battery beneath 25%. A charged lithium-ion battery can grab burn and/or explode if accidentally punctured.

If your battery is swollen, take appropriate precautions. Do non estrus your telephone. If needed, you lot can employ a dropper or syringe to inject isopropyl booze (xc+%) around the edges of the back comprehend to weaken the adhesive. Swollen batteries can be very dangerous, then wear eye protection and practice due caution, or take it to a professional if you're not sure how to keep.

Opening your phone will compromise its waterproof seals. Have replacement adhesive ready before you proceed, or take care to avoid liquid exposure if you reassemble your phone without replacing the adhesive.

Opening your phone will compromise its waterproof seals. Have replacement adhesive ready before you continue, or take intendance to avoid liquid exposure if you reassemble your telephone without replacing the adhesive.
Estrus an iOpener and utilize information technology to a long edge of the phone for about two minutes.
You lot may need to reheat and reapply the iOpener several times to get the phone warm enough. Follow the iOpener instructions to avoid overheating.
A hair dryer, heat gun, or hot plate may as well be used, but be careful non to overheat the phone—the OLED display and internal battery are both susceptible to heat damage.

Once the back panel is warm to the touch, apply a suction cup as close to the heated edge of the phone as you can while avoiding the curved edge.

Once the back console is warm to the impact, apply a suction loving cup as shut to the heated edge of the telephone as yous can while avoiding the curved edge.
The suction cup will not attach well on the curved portion of the glass.
If the telephone's back cover is croaky, the suction cup may not stick. Try lifting it with potent tape, or superglue the suction cup in identify and allow it to cure then yous can proceed.
Lift on the suction cup and insert an opening selection nether the rear glass.
Due to the curved glass, you volition exist pushing upwards, rather than inserting parallel to the plane of the telephone.
If y'all have trouble, apply more heat to further soften the agglutinative, and try again. The agglutinative cools very fast, and then you lot may demand to heat it repeatedly.

Once you lot have the choice firmly inserted into the glass, reheat and reapply the iOpener to soften the adhesive.

Slide the opening selection up along the side of the phone, separating the adhesive.
Become slowly and so that the tip doesn't slip out of the seam. If sliding becomes hard, reheat and reapply the iOpener.
Exit the pick in place and grab a 2d pick as y'all keep to the next footstep. Leaving the pick inserted can help prevent the glue yous just separated from re-adhering.

Repeat the previous heating and cutting process for the remaining 3 sides of the phone.
Go out an opening pick on each side as you continue to the next to prevent the agglutinative from resealing.

Lift the glass and remove it from the phone.

To install a new back cover:
Utilize tweezers to peel away any remaining agglutinative from the phone's chassis. So clean the adhesion areas with high concentration isopropyl alcohol (at least 90%) and a lint-gratuitous cloth to prep the surface for the new adhesive.
Peel the agglutinative bankroll off of the new rear glass, advisedly line up one edge of the glass against the phone chassis, and firmly press the drinking glass onto the phone.
If you're reinstalling the old back cover, or using a dorsum cover without agglutinative pre-installed, follow this guide.
Exist sure to plow on your telephone and test your repair before installing new adhesive and resealing the phone.
If desired, you may reinstall the back cover without replacing the adhesive. Remove any big chunks of agglutinative that might prevent the back comprehend from sitting down flush. After installation, heat the dorsum cover and apply pressure to secure it. It won't be waterproof, but the glue is usually more potent plenty to hold.

Remove the twelve 3.5 mm Phillips screws.

Apply the small notch on the lower left of the upper antenna to pry it out of the telephone.
Remove the upper antenna.

Lift and remove the wireless charging coil from the phone.

Elevator and remove the loudspeaker from the phone.

Apply the flat end of a spudger to disconnect the bombardment connector.

Set an iOpener and use it directly to the battery.
Alternatively, apply some isopropyl alcohol nether each corner of the battery and allow it to penetrate for several minutes to assistance weaken the adhesive.

Employ an opening choice to pry the bombardment from the lesser.
You lot will be prying against the example directly above the daughterboard and antenna cables. Pry carefully to avoid damaging either of these components.
You may need to reheat and reapply the iOpener repeatedly to further soften to adhesive. The adhesive is tough and information technology may accept a few tries to get the pick started under the battery.
Try your all-time not to deform the battery during this process. Soft-shell lithium-ion batteries tin leak unsafe chemicals, catch fire, or even explode if damaged. Do non use excessive force or pry at the bombardment with metal tools.

Slide the opening pick up the side of the battery to intermission apart whatever remaining adhesive.

Lift the battery out of the case.
Exercise not reuse the bombardment later it has been removed, every bit doing and so is a potential safe hazard. Replace it with a new battery.
To install a new battery and adhesive, follow this guide.