Before disassembling your Note8, discharge the battery below 25%.

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A charged battery can catch fire and/or to explode if coincidentally punctured.

If her battery is swollen, take appropriate precautions. Do not warm your phone. If needed, you can use a dropper or syringe come inject isopropyl alcohol (90+%) around the edge of the ago cover to weaken the adhesive. Swollen batteries can be very dangerous, therefore wear eye protection and exercise due caution, or take it to a professional if you"re not sure how to proceed.

Opening the Note8 will certainly damage the waterproof sealing ~ above the device. If you do not change the adhesive, your phone will certainly function normally, yet will lose the water-protection.

This guide requires removing the rear glass cover; friend will require replacement adhesive come reattach the back cover once you’re done.


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Step 1 earlier Cover


Switch off your phone.

Step 2

Use a suction manage to background the earlier cover and create one opening pick to gain in the gap.

Since the ago cover is likewise slightly curved at the edge you want to insert the opening choose at a lower angle indigenous underneath.

Start in ~ the center of the side and cut the adhesive while pulling up v the suction handle.

Be careful not to bar the opening pick too much to stop breaking the earlier cover. Quite pull through the suction handle and use the choose for cut the adhesive.

Move the pick in the direction of the bottom corner and also leave it there to keep the adhesive from resealing come the case.

Use another pick and also move it to the optimal corner.

Step 3

Again take an additional opening pick and also carefully move it approximately the corner and along the peak edge.

Reheat with an iOpener if necessary.

Step 4

Rotate the maker and begin to different the adhesive at the bottom with an additional opening pick.

Step 5

When the adhesive has been be separated on all 3 sides appropriately you will have the ability to slowly elevator the ago cover.

Don"t force it open. Usage an iOpener to again soften the adhesive if the back cover won"t come off or starts to bend.

Step 6

Use a pair that tweezers to disconnect the fingerprint sensor.

Step 7

Remove the earlier cover.

Step 8 NFC Antenna and Charging Coil Assembly

Step 9

Use one opening pick at the peak edge to get in between the NFC antenna and also charging coil assembly and also the case.

Step 10

Carefully traction up the complete charging coil and NFC antenna assembly.

Step 11 Battery Disconnect

Step 12 Battery

Step 13

Use the flat end of a spudger to pry up the battery from the top right corner.

You will certainly be prying against the case directly over the mainboard. Pry very closely to protect against damaging any close components.

You may need to reheat and reapply the iOpener continuously to further soften the adhesive. The adhesive is tough and also it might take a couple of tries to obtain the spudger started under the battery.

Use the spudger to pry increase the battery until you deserve to insert an opening pick to protect against the adhesive native resealing.

Step 14

Use the flat end of the spudger to pry increase the peak left corner of the battery where the flex cable is located.

Slide the spudger follow me the side of the battery to rest apart continuing to be adhesive.

Step 15

Lift the battery the end of the case.

Do not reuse the battery ~ it has actually been removed, as doing for this reason is a potential safety and security hazard. Replace it with a brand-new battery.

Remove any type of remaining adhesive from the phone, and also clean the glued locations with isopropyl alcohol and also a lint-free cloth.


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Secure the brand-new battery through pre-cut adhesive or double-sided adhesive tape. In stimulate to place it correctly, apply the brand-new adhesive right into the phone in ~ the locations where the old adhesive was located, not directly onto the battery. Push the new battery firmly into place because that 5-10 seconds.

To reassemble your device, follow these instructions in reverse order, instead of the adhesive whereby needed.

If possible, rotate on her phone and also test your repair before closing and sealing increase the phone.

For ideal results, when your fix is complete, calibrate your newly-installed battery.


Secure the brand-new battery through pre-cut adhesive or double-sided adhesive tape. In bespeak to place it correctly, apply the brand-new adhesive into the phone in ~ the locations where the old adhesive was located, not directly onto the battery. Push the new battery firmly right into place for 5-10 seconds.

To reassemble her device, follow this instructions in reverse order, instead of the adhesive wherein needed.

If possible, turn on her phone and test your repair before closing and also sealing up the phone.

For best results, when your fix is complete, calibrate your newly-installed battery.

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amazing fix. Carry out you have actually anything for the prior glass replace instead instead by chance? I desire to do both in ~ the very same time

for those wondering just how to use the instead of adhesive, over there is a video clip on the YouTube channel around installing adhesive on Samsung devices. Its a bit generic, but it points you in the appropriate direction.

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Hi Christopher,

I’ve edited the last step to include some adhesive guides! Hope that helps!

Thanks!! Very great detail. Ns was able to obtain the back cover off and replace the battery - the call is working choose a champ!

would certainly it be feasible to augment the mAh? rather of 3300 mAh giving a small bit much more power?

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