1020 (others too?) manual brightness

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jaspi72

Senior Member
Sep 15, 2011
168
12
Found solution to get manual brightness working on my windows 10 14393 1020 device ;)
Go on and try other devices too.
Change registry with interop tools or what ever.
Select registry browser, HKEY_LOCAL_MACHINE/ SOFTWARE/ Microsoft/ Autobrightness/ABSManualBrightness.
Change "Registry Value Type" to "Multi String".
Then Registry Value Data to
1
2
3
Save, restart device and smile :D
 

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siphon1020

Member
Feb 11, 2018
5
2
Thanx a bunch. Confirmed working on my 1020 on 1607. I was actually just looking for a solution to this today, I'm very glad I found your post.
Does not work if you got brightness slider tweak enabled. You think, there is any chance to get both working, or to get manual brightness to work
with that super low brightness the screen has with slider tweak set to "0"and "automatic"?
 

jaspi72

Senior Member
Sep 15, 2011
168
12
Thanx a bunch. Confirmed working on my 1020 on 1607. I was actually just looking for a solution to this today, I'm very glad I found your post.
Does not work if you got brightness slider tweak enabled. You think, there is any chance to get both working, or to get manual brightness to work
with that super low brightness the screen has with slider tweak set to "0"and "automatic"?

I cant make both work together but superlow brightness work when u go to settings->screen->manually to low and then put autobrightness on, sadly just when auto is on..
Someone smarten than me can surely make it happend.
 

nate0

Senior Member
Mar 27, 2015
977
158
Good find. I wonder what file(s) Microsoft touched that caused this? Is it only for x20 devices?
BTW this fixed my 1320 on 14393.1066
 
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siphon1020

Member
Feb 11, 2018
5
2
Actually, with the brightness slider tweak enabled, the minimum brightness possible is way dimmer than without. See for yourself.
It even turns of the navigation bar lights. Well, I guess we can only have either one, or the other, but both would just be prefect.
 

jaspi72

Senior Member
Sep 15, 2011
168
12
Ok heres registry what i think is pretty usefull but u have to change things to work as on before win 10 but..
Sorry i have this but im out of lumias forever
Like more linux (manjaro, deepin) and have 1020 as fun toy and making my head breakingdownlandingplace.
This thing i own because this have DAAAAMN nice camera. 5Y NOW YEAH HELL
And u know u can rise camera freg higher to get it work..
(mybe swap and deletete files on windows.......................\) sorry no time to look closely..
() = was on there allready on my 1020.. so go on.. ;)

HKLM\Software\Microsoft\AutoBrightness
- ABSAutoMaxBrightness (3) 6
- ABSManualBrightness (3) 1 3 6 (the variable here is multistring)
- ABSMonitorControl (1) 1
chacged 123 to 136 because 123 wasnt working .. and look next

https://msdn.microsoft.com/en-us/library/windows/hardware/mt168406(v=vs.85).aspx
HKLM\Software\Microsoft\Shell\OEM\Brightness
-LowBrightness (1) 1
-MediumBrightness (2) 3
-Hightbrightness (3) 6
ok u have to change hight to 6 so 1020 work my case.. so... 100 times+ try now it works.. :)

https://msdn.microsoft.com/en-us/library/windows/hardware/mt147021(v=vs.85).aspx
HKLM\Software\OEM\AutoBrightness
- ABSPercentIntensityMapping 2 3 4 (the variable here is multistring)
- ABSRangeMilliLuxMapping 1 2 MAX (the variable here is multistring)
- DimBrightness 1
- Transitiondelay 0

HKLM\Software\OEM\Nokia\Display
-DarkcontitionBrightness

PS: sorry I WAS DRUNK... but anyway :D
 
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siphon1020

Member
Feb 11, 2018
5
2
Perfect! Works like a charm! Big thumbs up to you :highfive:
Nothing bad to say about a good drink every now an then :)
 
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jaspi72

Senior Member
Sep 15, 2011
168
12
Yeah it taked pretty many hours to make it working but it was worth of it... ;) Im happy too.
1020 lives again..
 

jaspi72

Senior Member
Sep 15, 2011
168
12
NP just having fun here and nothing serious checking how to make this 1020 work better ;)
Well every day using it still.. Havent seen better cameraphone yet... waiting..Better ?
Camera can make use higher cpu as 500 mhz as stock 250..
 
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  • 6
    Found solution to get manual brightness working on my windows 10 14393 1020 device ;)
    Go on and try other devices too.
    Change registry with interop tools or what ever.
    Select registry browser, HKEY_LOCAL_MACHINE/ SOFTWARE/ Microsoft/ Autobrightness/ABSManualBrightness.
    Change "Registry Value Type" to "Multi String".
    Then Registry Value Data to
    1
    2
    3
    Save, restart device and smile :D