Screen Mirroring to Samsung 4K TV - T-Mobile Samsung Galaxy S7 Edge Questions & Answer

Has anyone here who's used the screen mirroring to tv function of our phone, when used the picture quality on the tv seems a bit off almost as if the gamma or brightness setting has been turned up a bit too high.
The picture on the tv is NOT the same as when I look down at my phone where the image is crisp and the colors are more richer.
My tv is a samsung 4k 65" with the latest firmware.
I have also tested screen mirroring to my tv from a NOTE 3 and the results are virtually identical.
Also keep in mind I've tested the phone sending my tv HIGH RES 4k content as well as otherse 1080 , 720 and the results are usually the same in terms of colors being a bit washed out.
I'm trying to avoid wasting money on a xiaomi android box since it wouldn't be needed as I can screen mirror for free from my phone.
Appreciate any feedback.
I've searched the net high and low for my answer and haven't found any resolutions to screen mirroring to my samsung tv.

does no one else notice this when mirroring to a tv screen ?
I really would appreciate some feedback / validation on this.
Thanks
#bump

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[Q] Mirroring Tablet to TV

On my LG Full HD 1080p 37" TV, the mirrored display from my Nexus 10 to the TV is always coming out with black edges roung the screen ie not being displayed in full screen. The only options in terms of aspect ratio for the TV are 4:3 or 16:9 when connected to the tablet. The Zoom1 and Zoom 2 options can only be accessed when viewing normal TV or DVDs. Is there a way I can fill up the black edges on the TV with what's being displayed from the tablet? The only way i get full screen is when i watch videos from Google Play Movies. I would live to stream videos from XBMC in full screen mode if possible. Thanks. The info displayed when the OK button on my TV's remote is being pressed shows 1920*1080 @60Hz when Tablet is connected to TV via HDMI
nasimdejai said:
On my LG Full HD 1080p 37" TV, the mirrored display from my Nexus 10 to the TV is always coming out with black edges roung the screen ie not being displayed in full screen. The only options in terms of aspect ratio for the TV are 4:3 or 16:9 when connected to the tablet. The Zoom1 and Zoom 2 options can only be accessed when viewing normal TV or DVDs. Is there a way I can fill up the black edges on the TV with what's being displayed from the tablet? The only way i get full screen is when i watch videos from Google Play Movies. I would live to stream videos from XBMC in full screen mode if possible. Thanks. The info displayed when the OK button on my TV's remote is being pressed shows 1920*1080 @60Hz when Tablet is connected to TV via HDMI
Click to expand...
Click to collapse
2650 / 1600 = 1.60
1920 / 1080 = 16 / 9 = 1.78
So I'm guessing that the screen fills top-to-bottom, but you have blank edges on the left and right? If you zoom, you're going to be losing some of what's on the top and bottom edges, just to fill the left and right ones.
nasimdejai said:
On my LG Full HD 1080p 37" TV, the mirrored display from my Nexus 10 to the TV is always coming out with black edges roung the screen ie not being displayed in full screen. The only options in terms of aspect ratio for the TV are 4:3 or 16:9 when connected to the tablet. The Zoom1 and Zoom 2 options can only be accessed when viewing normal TV or DVDs. Is there a way I can fill up the black edges on the TV with what's being displayed from the tablet? The only way i get full screen is when i watch videos from Google Play Movies. I would live to stream videos from XBMC in full screen mode if possible. Thanks. The info displayed when the OK button on my TV's remote is being pressed shows 1920*1080 @60Hz when Tablet is connected to TV via HDMI
Click to expand...
Click to collapse
It really does depend on your TV. I have a toshiba 1080p 50 inch and I can either have some of the screen cut off or have black bars. Some tvs have scale to fit when you plug in something externally.
stev067 said:
2650 / 1600 = 1.60
1920 / 1080 = 16 / 9 = 1.78
So I'm guessing that the screen fills top-to-bottom, but you have blank edges on the left and right? If you zoom, you're going to be losing some of what's on the top and bottom edges, just to fill the left and right ones.
Click to expand...
Click to collapse
Nope all 4 sides have the blank black bars ie none of the sides are filled and my TV does not have the option to zoom in or out.I'm just stuck with the 16:9 aspect ratio.
Sent from my Galaxy Nexus using Tapatalk
tyhe314 said:
It really does depend on your TV. I have a toshiba 1080p 50 inch and I can either have some of the screen cut off or have black bars. Some tvs have scale to fit when you plug in something externally.
Click to expand...
Click to collapse
I bought my TV in 2007. Could this have anything to do with the age and model of the TV. Remember I mentioned in the earlier post that it was a 1080p Full HDTV by LG and it still works well. I use to and still have an Acer A500 tablet and when connected to the same TV via the same HDMI cable,it mirrors the display perfectly without any bars round the edges. So,I was surprised when I got a different outcome with a much powerful tablet. Must be the Nexus 10 not playing well with the TV then.
Sent from my Galaxy Nexus using Tapatalk
nasimdejai said:
I bought my TV in 2007. Could this have anything to do with the age and model of the TV. Remember I mentioned in the earlier post that it was a 1080p Full HDTV by LG and it still works well. I use to and still have an Acer A500 tablet and when connected to the same TV via the same HDMI cable,it mirrors the display perfectly without any bars round the edges. So,I was surprised when I got a different outcome with a much powerful tablet. Must be the Nexus 10 not playing well with the TV then.
Sent from my Galaxy Nexus using Tapatalk
Click to expand...
Click to collapse
That's a shame, I tested my N10 once with my 1920x1080 samsung TV and it worked fine. You might try contacting customer service at LG if you're really determined to get answers.
stev067 said:
That's a shame, I tested my N10 once with my 1920x1080 samsung TV and it worked fine. You might try contacting customer service at LG if you're really determined to get answers.
Click to expand...
Click to collapse
Cheers. I might do just that. But if it works with the 10.1" Acer A500, I should see no reason for the N10 not to. Its just a weird situation. I'll continue to rock the Acer as a set top box device to my TV while the N10 would remain a hand held instead.
Sent from my Nexus 10 using Tapatalk
How did you mirror your tablet to your TV? I have been trying that with my Samsung smart TV 60" but no luck
Sent from my HTC One X using xda app-developers app
lakhichana said:
How did you mirror your tablet to your TV? I have been trying that with my Samsung smart TV 60" but no luck
Sent from my HTC One X using xda app-developers app
Click to expand...
Click to collapse
I use an micro HDMI connector from my devices to the tv
Sent from my Galaxy Nexus using Tapatalk
i able to mirror the tablet to dtv fine(with 1080p output + fit to screen settings)
only concern is moving at the homescreen is a bit choppy but watching movie is fine. also why youtube doesn't allow full screen?grr
I do not have a micro HDMI cable to test it with, but with all normal hdmi inputs on both my 32" and 42" LG screen, regardless of source, i have the option of aspect ratios, zoom 1 and 2, and then the one which for me is most important, "just scan". Some sources will be larger than the screen, or smaller, and as such cut off, or black bars, but with Just Scan it does it's magic and is scaled to the size of the lcd.
hihihehe said:
i able to mirror the tablet to dtv fine(with 1080p output + fit to screen settings)
only concern is moving at the homescreen is a bit choppy but watching movie is fine. also why youtube doesn't allow full screen?grr
Click to expand...
Click to collapse
For youtube Go fullscreen on tablet and then connect to tv..works this way for me, hope this helps
Sent from my Nexus 10 using xda app-developers app

4.3 full screen on hdmi?

has the 4.3 ota update fixed the non full screen 'issue' when connecting nexus 10 to tv via hdmi? (is it full screen now when connected?)
I've been wondering this too... No definite answer yet... I'm gonna assume that they didn't fix it
can anyone answer this?
no one knows?
will try this weekend, i keep forgetting to. my bad
Still not fixed.
I used HDMI yesterday's evening to watch my photos on TV and it was still with black stripes on the sides.
is this fixed on kitkat?
I think this depends on your phone and your TV. If ur TV's resolution is 1080p (full HD) but ur phone
is 720p (HD ready) u won't be to have full screen on your TV.
Sent from a small country called Singapore.
Phone: N7105 powered by Illusion ROM 2.6
Kernel: Plasma v2.02
Click thanks if I helped!
Irwenzhao said:
I think this depends on your phone and your TV. If ur TV's resolution is 1080p (full HD) but ur phone
is 720p (HD ready) u won't be to have full screen on your TV.
Sent from a small country called Singapore.
Phone: N7105 powered by Illusion ROM 2.6
Kernel: Plasma v2.02
Click thanks if I helped!
Click to expand...
Click to collapse
Not true mate, this is an aspect ratio issue, if you device matches the aspect ratio of you two you wont get any black lines. However android pre 4.2 used to output at 16:9 correctly to TVs regardless of your devices main screen aspect ratio, now they mirror the devices screen ratio which is monumentally idiotic.
my proscan TV can go up to 1080i and 720p...but when plug in my nexus it only do 480p. looks horrible and TV said it get only 480. no setting on TV... I think the TV display whatever it get and no setting on tablet either. what give? spec for my HDMI cable is can do 1080p. it does display the whole screen on the tv. but HD TV displaying 480 with huge pixel is horrible. look like really low res Mario game.
workerantDroid said:
my proscan TV can go up to 1080i and 720p...but when plug in my nexus it only do 480p. looks horrible and TV said it get only 480. no setting on TV... I think the TV display whatever it get and no setting on tablet either. what give? spec for my HDMI cable is can do 1080p. it does display the whole screen on the tv. but HD TV displaying 480 with huge pixel is horrible. look like really low res Mario game.
Click to expand...
Click to collapse
have you checked you HDMI output in settings, is it set to 1080p?
da.trute said:
have you checked you HDMI output in settings, is it set to 1080p?
Click to expand...
Click to collapse
thanks for the reply... I check all over for this HDMI setting and even check it while the TV is plug in. The HDMI works cause I can see it display on the screen. While the TV still displaying what's on the tablet, I still can't find this HDMI setting. I could tell it lag a little with the TV.
I'm gonna try it on a friend's TV when I get the chance. See if it does the same.

[Q] [B8080-F] Yoga 10 HD+ and Miracast

Hello dear people,
I am pretty new to the Android world and have had my Yoga for three months now. I bought a Media Player (WD TV) for my TV and now I am trying to work out Miracast.
While I do get a connection, my main problem is the aspect ratio. I have a 1080p TV, however, the Yoga 10 HD+ has a vertical resolution of 1200, not 1080. This leads to the image being cropped and the aspect ratio seems slightly wrong (of course, since it's not 16:9 anymore).
Has anybody else had this problem? Can I switch my tablet to a 1080p resolution somehow, or at least the stream? Thank you for your help!
Update: I used the NOMone Resolution Changer, setting the resolution to 1920x1080 with 233dpi, which seems to work. I am currently trying to figure out a way to increase image quality. It's okay, but not exactly what you expect from HD. Also, scenes with a lot of swift movement in them seem to be producing artifacts a lot. Not what I expected from the highly praised Miracast, but it might just be a device specific issue. I will write more when I've done some more research.

Anyone using MHL-HDMI? Wrong aspect ratio?

Anyone using their Tablet Z2 with an MHL-adapter for HDMI input to TV?
I have a Tablet Z which I connect to my TV, and with Android 4.1 stock ROM it scaled the output correctly from 1920x1200 to 1920x1080. But since 4.2 it compresses the picture a bit, making things wider then they should be. I guess it just compresses the 1200 px to 1080 px without keeping the correct aspect ratio.
How does the Z2 handle this? Is there any option for scaling or aspect ratio in the menus?
Thanks,
Daniel
Save yourself from the hassle and don't use MHL at all.
MHL is not needed if one doesn't NEED the screen mirroring (for example if one wants to do presentations with showing spreadsheets etc.).
Sounds as if you just want to watch videos or photos on your TV.
Get a Chromecast, a Raspberry Pi, an Amazon TV, another XBMC-capable device or something like that. And send your media to your TV via DLNA / XBMC. That's the hassle-free way to go.
Why not simply answer his question?
The Z2 tablet outputs 1920x1080 signal through MHL, but as the tablet has 1920x1200 pixels and 16:10 aspect ratio, it puts small black borders on left and right sides of the image on TV. So, you get correct aspect ratio (16:10) in a 16:9 TV. No stretched pictures, but small black borders.
Simple, huh?
You also didn't answer his question. Duh!!
Thank you both for your answers,
I also have a Chromecast, which I use for Youtube etc. but since it only does 720p and have it's bugs, there are situations I would like to use the Tablet Z. It's also convenient to just load it up with movies and TV-series and bring it with me to my friends, everyone have a HDMI-capable TV and there is no hussle with Wifi, formats thats not compatible etc.
RoberM, that was just the information I needed! The Tablet Z worked just like that with stock 4.1 (tiny black borders and correct aspect ratio) but since the update to 4.2 it fills the screen making the image wider then it should be. Even on the latest 4.4.4 the problem exists. I have been in contact with Sony about this, they say the reason is that a lot of customers complained about the black borders so they decided to change to full screen and bad aspect ratio instead. Strange that the Tablet Z2 apparently isn't affected of this then.
I am dissapointed that a feature that was working 100 % when I bought the Tablet Z no isn't that useful anymore.
Actually I bought an MHL cable (standard one and a samsung one) and a DisplayLink* Cable (the one used for nexus) and none of them works.
My v1 mhl adapter crops the bottom off.
dape16, then, as you deducted from my previous message, it seems with the tablet Z2 (even on latest firmware), they took the same route as with the Tablet Z on stock 4.1. You could try to look for some media player app that allows you to play with video aspect ratio to compensate the output.
hasenbein1966, oh, really?
Diomorgan, Samsung and some other brands uses 11 pin MHL, while Sony's devices and some others uses 5 pin MHL. It seems they are not compatible, the best you can do is go to eBay, search for any MHL cable for Xperia Z, Z1, or Z2, and buy it dust cheap.

Can I render the GUI in 1440p?

I'm fairly sure the answer is no. I've just upgraded to a large 1440p monitor for both my PC and the Shield to use in my small room at university. The Windows PC is obviously perfectly happy to output at any resolution I want, and even prompts me if I use anything other than the display's native resolution. The Shield on the other hand has extremely few settings in every department, including HDMI. I get that Google is trying to simplify their various software for the average user but come on, no option to set the output resolution? Ridiculous. Under Settings, HDMI I've set 'HDMI optimisation' to 'best resolution' mode (that's the only relevant setting I can find). I've then restarted and it still appears that the Shield is outputting 1080p and letting my monitor scale it up (crudely). I'm not only going by my judgement of the image quality. When I take a screenshot it saves as 1080p.
Presumably people with 4K displays aren't experiencing such a problem? The device is, after all, supposed to be 4K60 capable.
I haven't tried any custom ROMs (nor do any current ROMs offer a 10-foot UI as far as I'm aware), I wonder if it would help though?
Nor have I looked into using the Xposed framework (which I've only ever read about and never properly used), though I'm doubtful whether that could help.
My problem isn't with 1080p HD itself. As far as video is concerned I can't even tell much difference between 720p and 1080p at a normal movie viewing distance. It's when any GUI renders at non-native resolution that it becomes really obvious and annoying to me.
https://play.google.com/store/apps/details?id=com.nomone.resolution_changer&hl=en
Maybe try this? It's for dropping res to increase performance, but I don't see why it can't increase it too.
This app may also work. It also allows for overscan adjust if you would need that on any other display.
http://forum.xda-developers.com/android/apps-games/app-screen-shift-change-screen-t3138718
Thanks for the reply and sorry for the delay, I've been moving house.
I got a copy of the .apk for Screen Shift from the developer on that thread and Sideloaded it and used it to change the resolution to 1440p. The result it interesting. Everything on the screen shrinks (presumably in proportion to the increase in resolution).
This proves that the hardware can physically output in 1440p, which is to be expected considering that it is 4K capable. However another reasonable assumption was that the software would be optimised for smoothly coping with 1440p, and it isn't. This is quite disappointing considering that it is a 4K-capable gaming device and that 1440p is a popular choice among gamers in particular.
Curiously I was unable to take a screenshot of what I am describing. I'll attach a photo instead.
BenjiHansell said:
Thanks for the reply and sorry for the delay, I've been moving house.
I got a copy of the .apk for Screen Shift from the developer on that thread and Sideloaded it and used it to change the resolution to 1440p. The result it interesting. Everything on the screen shrinks (presumably in proportion to the increase in resolution).
This proves that the hardware can physically output in 1440p, which is to be expected considering that it is 4K capable. However another reasonable assumption was that the software would be optimised for smoothly coping with 1440p, and it isn't. This is quite disappointing considering that it is a 4K-capable gaming device and that 1440p is a popular choice among gamers in particular.
Curiously I was unable to take a screenshot of what I am describing. I'll attach a photo instead.
Click to expand...
Click to collapse
so you got thta working somewhat at least. Is everything stretched? It looks fine to me from the picture, but those can only show so much. Unfortunately, the 21:9 market is really a niche, not to say that I don't understand how amazing that they are, I intend to own one someday. Unfortunately for us and Nvidia, Android TV, and ANdroid in general is made to work well with 16:9 ratios as that's what almost every TV, monitor, and phone are these days, or really dang close. On top of that, this is a media box, which you could argue both ways that 21:9 is very nice for ultra-wide movies and also not usefol to many as most if not all blu-ray is 16:9 for most media formats, and games aren't likely optimized for a small niche. It makes sense that they wouldn't add support at this time, and I want support as I would buy a 1440p monitor if they would add support, but it'd be more work for each app, though mostly games, to support an odd ratio, and on top of that, even shield specific games are pretty niche, and then to add a niche feature to a niche product, just isn't monitairly worth the time. Sorry to make this so long, but I wanted to explain the best my tired brain could.
TLDR: It's not worth it for them, but DANG it would be nice. Till then, we have to hope that a monitor will black bar it to 16:9 for us, or that hack to work.
kdb424 said:
so you got thta working somewhat at least. Is everything stretched? It looks fine to me from the picture, but those can only show so much. Unfortunately, the 21:9 market is really a niche, not to say that I don't understand how amazing that they are, I intend to own one someday. Unfortunately for us and Nvidia, Android TV, and ANdroid in general is made to work well with 16:9 ratios as that's what almost every TV, monitor, and phone are these days, or really dang close. On top of that, this is a media box, which you could argue both ways that 21:9 is very nice for ultra-wide movies and also not usefol to many as most if not all blu-ray is 16:9 for most media formats, and games aren't likely optimized for a small niche. It makes sense that they wouldn't add support at this time, and I want support as I would buy a 1440p monitor if they would add support, but it'd be more work for each app, though mostly games, to support an odd ratio, and on top of that, even shield specific games are pretty niche, and then to add a niche feature to a niche product, just isn't monitairly worth the time. Sorry to make this so long, but I wanted to explain the best my tired brain could.
TLDR: It's not worth it for them, but DANG it would be nice. Till then, we have to hope that a monitor will black bar it to 16:9 for us, or that hack to work.
Click to expand...
Click to collapse
1440p is 16:9, so the 1080p image scales up without needing to be stretched or cropped.
Interestingly with firmware upgrade v2.0 they've added a few more HDMI settings, including one to change the resolution and refresh rate. Unfortunately, despite being connected to a 1440p monitor, the only available options are all 1080p (as shown in the attached screenshot).
BenjiHansell said:
1440p is 16:9, so the 1080p image scales up without needing to be stretched or cropped.
Interestingly with firmware upgrade v2.0 they've added a few more HDMI settings, including one to change the resolution and refresh rate. Unfortunately, despite being connected to a 1440p monitor, the only available options are all 1080p (as shown in the attached screenshot).
Click to expand...
Click to collapse
Wow, I'm totally not on the ball. Mixing up 1440p with 21:9, sorry about that. It looks like Screen shift did what you needed though. It'd be nice to see that added, but for now, workarounds are there at least.
Hi, im just wondering if the OP ever managed to get his Shield to output 1440p?
Ive been watching some UHD / 2K video trailers on youtube using my PC and i've been blown away by the quality, in particular the "Samsung UHD - Transformers Age Of Extinction (2014)" video ( incase someone wants to check it out).
Ive just upgraded to a Curved 1440p display so I now have a spare 1440p monitor that I would love to use with my Shield TV and finally replace my old plasma tv Ive been using for years. After seeing the quality I can get playing a 2K 60fps video on the display it would be great if I could use my shield tv to play UHD content @ 1440p as the hardware is clearly capable.. I'm just hoping there is a work around to enable it. Even if I need to root my Shield / Install a custom ROM. I've googled and hit a brick wall..
Anyone have any solutions to displaying 1440p @ 60hz on the Shield? (fingers crossed)
Thanks
[Solved] Yes! you can 1440p (2560x1440 @60Hz) with the nvidia shield. just:
1) Enable developer options (search for tutorial ,easy)
2) Go to: Developer Options > HDMI section > Show all supported modes in custom display modes> enable.
3) Settings > Devices Preferences >Display & Sound > Resolution > Select to match the resolution of your monitor.
While you are there, may be you want to force Advanced Display Settings > Dynamic Range to Full to match the full RGB input of your monitor. Mine a Monoprice IPS27 shows washed out colors by default with Nvidia Shield, switching to full RGB solves the issue
Have a good day!

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