Original topic:

Samsung Galaxy Watch 4 - How to downgrade firmware to the original (when buyed)

(Topic created: yesterday)
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useriWty2ggjqp
Constellation
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Galaxy Watch

Two years ago I have bought Galaxy Watch4 Classic 46mm (SM-R890NZKASIO). Everything was in function, but after last update GPS stopped to work. Several times I have done by ALL Samsung  instructions: reset watch with and without backup (just to exclude interference of backup data), cleared Cache on all Health and Google Map related applications, turned off and on at ALL location services, reinstalled Galaxy Wearable application (on the phone), checked ALL location permissions on the phone and watch - and still GPS doesn't work!
Samsung doesn't allow de-installation of Health and Google Map software on the watch, neither de-installation of the updated firmware.
So does anyone knows from where to download and how to install original firmware from March 2022 (time when I bought this watch)?

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ChaosSaber
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Galaxy Watch
If it could be done, a Samsung service center would have to do it, but likely that firmware is gone now
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