Actually, you SHOULD upgrade your pc, they have a lot less garbage going on with windows 10 after 4 years of tweaking. Just disable windows defender and then look through things as you go. Considering how quickly they cut support to windows 7, the next on the list is 8/8.1. The best solution to the disaster zone was a new ui launcher, and looking up the specific problems I had till a solution was found (some there were none). Since you're a lot later to the update, you won't have anywhere near as many bugs or issues to deal with. It will still be weird, but there are ways to deal with it. Comparing current to older on phone, I would very much prefer to go back, but you get used to it whether you like it or not. As for PC, it's a mixed bag where it's dangerous to, and dangerous not to, upgrade. But it's likely a lot less safe to not. For me I find a happy balance of waiting a week after updates for the immediate rush of bugs unless it's an immediate level threat in which case I look around and go "huh, this might suck worse than a bug..." SO, advising, upgrade pc, maybe check out some of the free launchers on google play and see if one floats your boat, cause you can still use those after upgrading*. Some permanent changes -you cannot have a theme with night mode active -music is no longer blue but a stupid blinding white outside of night mode (black using night mode makes it black/grey, but this doesn't happen with a theme) -the app icons look like they were designed for a child's tablet. -bixby is no longer able to be 100% disabled -they screwed up the camera and color settings (still not fixed, only natural focus has the correct lighting and it's always zoomed in 2-3x with absolutely no zooming options) tl;dr upgrade pc, look at your options with phone.
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There is the way to disable One UI without root or bootloader unlock you need to: 1) Enable menu for programmers (go to info, tap build nr 7 times) 2) Enable USB debugging 3) connect your PC, download Android Studio or Android Toolkit to get adb (on Linux you can simply sudo apt install adb) 4) issue commands: adb shell 'pm disable-user --user 0 com.sec.android.gallery3d' //disable Samsung Gallery
adb shell 'pm disable-user --user 0 com.samsung.android.app.notes' //disable Notes app
adb shell 'pm disable-user --user 0 com.samsung.android.scloud' //disable Samsung Cloud
adb shell 'pm disable-user --user 0 com.samsung.android.knox.analytics.uploader' // disable surveillance
adb shell 'pm disable-user --user 0 com.microsoft.office.officehubrow' // disable MS Office apps ads
adb shell 'pm disable-user --user 0 com.sec.android.app.launcher' //probably our main target - OneUI
adb shell 'pm disable-user --user 0 com.samsung.android.smartswitchassistant' // smart switch assistant Issue command adb shell 'pm list packages -f' to get full list of the packages. That way I was able to disable One UI in favor of other launchers, disable bloatware apps, and my Task Switcher was returned to Vanilla Android one. Works much better and faster. Modifications are done as a setting for current user (not globally) so you'll not void your warranty that way. You can undo any of these by similar 'pm-enable' command or factory reset.
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