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Original topic:

One UI 8 broke DeX mode

(Topic created: 11-10-2025 10:17 AM)
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funfunfun
Constellation
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Galaxy S22

I've got an update with Android 16/One UI 8. After that it became unable to use the phone in DeX mode. I'm getting the message "One UI Home keeps stopping". The phone screen (as well as the connected monitor) keeps blinking (trying to restart One UI Home?). I've tried 4 different USB hubs with an HDMI output - the result is the same. One of those hubs is a branded Samsung USB-HDMI adapter.

Before update I've been using "Good Lock" app (+ MultiStart plugin) to overcome some DeX default constraints. Now I've uninstalled it - that doesn't help neither.

If they don't come up with the fix ASAP I'll have to rollback to the One UI 7 with Odin. DeX is vital for my workflow.

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funfunfun
Constellation
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Galaxy S22

Yesterday, I received a bunch of app updates from the Galaxy Store auto update. After that, the DeX mode worked like clockwork! I can't say exactly which app update affected this, because I couldn't find the update log.

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3 Replies
Grams69
Asteroid
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Galaxy S22
Im having problems since this update with Galaxy flip 4
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kmod
Asteroid
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Galaxy S22
Wait how do you roll back? I need to know because I can't stand the new Dex. Also how do you restore every setting, every app data and every photo to exactly how it was if it does erase your phone.
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Solution
funfunfun
Constellation
Options
Galaxy S22

Yesterday, I received a bunch of app updates from the Galaxy Store auto update. After that, the DeX mode worked like clockwork! I can't say exactly which app update affected this, because I couldn't find the update log.

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