Yes, I will try to get it working again. Although I’ve tried several times, without success.
NO appears to have the vid “flashes etc” fixed.
Give that a try 20150302
https://relkai.coreelec.org/?dir=Amlogic-no/ce-22
Hopefully the fix wil be carried over here for NE as well 
The only problem I have is that no22 doesn’t support dolby vision with me, and I have android 14. Unfortunately I can’t get ce21.1 to work in any way. it won’t boot from a flash drive 
Dolby Vision is supported in NO. Try this dovi.ko Homatics Box R 4K Plus - #5462 by hungphutho
Thanks very much hurray works.
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Yeah!
I’ve tested the latest CE NO, and all playback issues have disappeared. Now everything runs smoothly, even with the GUI active.
Additionally, the WiFi slowdown issue has been resolved.
Minor issue: I don’t have the option to select my country’s time zone. 
Under CoreELEC settings, System.
Yes, I already have that setting in the system. The problem is that Spain has two time zones: Canary Islands and Madrid, and that has always been changed from ‘Interface’. In fact, the option to choose Madrid and Canary Islands is still there, but it has no effect. No matter which one you select, it sets the Canary Islands time zone instead of Madrid.
Works here.
I selected country Spain from Timezone country and then I can select 3 options from Timezone.
Once I get 20:08 and the other 19:08.
Unfortunately, Passthrough is still not working well. There is no sound when the first start of the box.
It has to be restarted and only then will be on HDMI with an amplifier.
Several boxes and amplifiers are tested.
What causes this?
Hi. I’m still using version 21.0 Omega. All higher versions have out of sync sound with video (AVR Marantz). Do you have the same problem?
I just tried NE to test your issues tonight.
Im having no sound, passthrough or sync issues that I can find .
Tox3 905x4. Yamaha receiver amp.
ALL inputs into amp, tv as monitor.
Only issue is with GUI making screen flicker as per fix given to NO last week.
My problem is simple.
I turn on the TV and the amplifier. Then the box.
Passthrough is turned on and no sound.
Nothing.
The box has to be restarted and then there is sound.
That is, 2x should start the box.
This is about 80-90%.
Only Omega 64 Bit and X4 Box.
Is common issue with that type of setup
Has been posted before
Solution/work around seems to be
Turn on TV BOX FIRST
Thanks! I will try. So far, the habit of turning on the box to read the EDID info. Now I try to do it in the reverse.
My box is set to never turn off 
Running the lately nightly. For the past week or two (or more as I’m not entirely sure) the GUI isn’t scaling properly when playing a 4K file. It’s tiny 1080p in the top left corner of the screen.
I found an older thread from 2020 detailing this issue and providing a three-command SSH fix… and that did nothing (which made sense since I’ve never used the display calibration option).
Any suggestions?
I have the same issue in NE. I tried many configurations of gui setting and resolutions but still gives issues. Picture flashes etc when opening or closing ui etc.
Was the same in NO but that was fixed a few updates ago.
Just delete guisettings.xml and reboot.
Make a backup before.
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Sadly. No change . Small gui in top left corner.
Video flashes when gui opened. Tox3 905x4_4gb
Log from fresh system
https://paste.coreelec.org/GroceryFrida