Samsung Galaxy Watch’s teardown and Battery Replacement

Samsung Galaxy Watch was initially named as Gear S4 and introduced on August 2018. It has different version in different countries. The global version’s models are SM-R805F, SM-R805N, SM-R815F and SM-R815N,while in USA and Canada its models are SM-805U, SM-805W, SM-815U, SM-815W. China has a special model number SM-R8050.
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=FFQSZDMIcOpMSsG_1YErqAckKG8r4yYCIR3dwLw7NCA

In below we’ll introduce how to change its internal battery in details:

Firstly remove four screws on the back of watch as below picture.
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=FFQSZDMIcOpMSsG_1YErqAckKG8r4yYCIR3dwLw7NCA

Use plastic pick to pry the watch’s back cover.
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=bAmwoNqbLHE1O2fvGmmSZZF2Q23DJpD_TqI2EhZG7pw

Remove sensor cable
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=NmWAGREVrnxPDzRh6DqHpQCOgL-FLdZLCo4JWwzBMHQ
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=EjAxNf91g7Hfbms31yKjkK_3iPCxm39Kpw3jAVMm5ck

Remove back cover
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=fK1a0urYAqyl4YVDsu96SWi3FoMhUszns8u30vqp1cE

Remove display cable
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=z3CuGpWfPWM-SjHXMx5sQ01JB8XNLJ0JoSRh9rGNugw

Take the core parts out
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=6RhFKfIw8FvwH4LxGjyF-W39vNwoq2BfNBQt6W8vfF0

Remove sensor cable
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=LhEbQUN-tbQEuVC3_dYwCobinhb8bL9rLxqRxvPKdJ0

Remove button cable
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=Y9kr7vGr-I9HtSjgW6Ve4cAYqcGNOiIX-WufDqzimTQ

Remove screw
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=6-wq6tYdG-rAuAHK4GDGW-AaXh0iXqANaxzBdO6GcXE

Pry the mainboard
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=SDCSHKETDsxK69GHrfHiuJWzX-4Zpnq-8hwx8gW6daM

Take the mainboard out
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=0CSXKNiLvsLOu8bnad9X1ynihUpWDuiZJCVOdOGSLbc

Remove the old battery
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=HJwL7P1JFbam3palYpt9wWhUwJ2sv7rsTKLvwcIrCvk

Replace new battery
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=mScAujTKVnhCrCBmzWhL_vh_akUQRVscdAwiE37Bwno

Follow us on Wechat to see more battery repair guides.
Samsung Galaxy Watch's teardown and Battery Replacement 0?e=1600905600&v=beta&t=1Bd7xRBjTq-5ntlrYMMaq3z7ZgPbhdrLnDUmvgyJu8s

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