I found it on the store and the amount of authorizations asked is really too much, even if you can disable some.Found a keymapping solution that works with Dex and requires no root. If anyone is interested it's called Octopus in play store and works fairly well except for some reason I can't use left click to fire in fps games even though the button it's recognised, as a workaround I can map keyboard key to shoot(note 8 running Android 7.1). Hope it helps and have fun with it owning everyone.
I had the same issue and I found a youtube video that I can't link because of new account, title is "The Secret Trick To Running Netflix In Full Screen On" TL;DW: instal Netflix V 5.11.2 and do the expert thing with DexMax, just be careful for updates!
I have the exact same issue with the same setup and a 4K TV
Tried a 4K, hdmi 2.0a cable but still same grayed out option. I have the Asus PG348Q ultra wide gaming monitor 3440*1440. Sadly I dont have another monitor to test with that has the exact 2560x1440 res. But Why does 1920x1080p work on my ultra wide?
Its fine for me on the 2017 DeX station, I've had it running at 2k resolution since the Oreo beta on the S8+ back in november, and now the S9+ also works at 2k for me too.
It's a 4k hdmi cable and I tried the cable that came with my xbox one x and still greyed out. I have the 2017 dex station as well. Tried messing around with monitor setting but still nothing. Maybe I need to do a factory reset.
Haven't tried it, but AFAIK, dex supports only several ratio... And I am not sure whether they hold on with the ultra wide screen, fingers crossed though...
Hmm... seems that the root cause is still unknown..
I did try to set it to 4k, but 2880 seems to be the maximum width I can set, so I just set the height as 1620 to optimise it for my 16:9 aspect ratio monitor.
There may be some visual bugs when changing the resolutions as they obviously haven't been officially tested.
*IMPORTANT NOTE*
is adb over wifi an app?I managed to set a custom resolution using ADB over wifi (part of the Android developer tools) with the following command:
I did try to set it to 4k, but 2880 seems to be the maximum width I can set, so I just set the height as 1620 to optimise it for my 16:9 aspect ratio monitor.
Technically, you could try to calculate the highest resolution with a value equal to or less than 2880 which would match your displays aspect ratio, whch may be useful if you have a 4:3, 16:10 or 21:9 aspect ratio display.
Once changed, you can check the new resolution by entering the following command and reading the 'Override' value, the 'Physical' size is just the phones screen resolution so ignore that.
There may be some visual bugs when changing the resolutions as they obviously haven't been officially tested.
You can change the DPI by modifying the density value, by default it is 160.
Lower values will shrink the UI to display more stuff on screen, the higher density makes items look bigger on screen.
Changing the density multiple times may cause display issues such as icons not displaying correctly etc...
I fixed this just by selecting a different resolution in the DeX settings to quickly restore the devices default setttings.
*IMPORTANT NOTE*
This will almost certainly create problems when going back into phone mode unless you apply the phones resolution and DPI settings before exiting DeX and the ADB tool.
Please note that I can't integrate this into Desktop Hub as this adjusts a secure system setting which requires you to use the ADB commands, which are not available to third party apps i.e. Desktop Hub.
It's a tool that runs in Windows command prompt or Linux terminal.
