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Help with enabling cast screen [CM11 unofficial] [N8000 LTE]

Hi,
I cannot get my device to 'discover' a microsoft miracast adaptor I have plugged in my tv. This device supports wi-fi direct, so it should theoretically work!
What I did :
I decided to upgrade my system as it was starting to lag badly, after 2 years of use.. I wanted to upgrade to kitkat at lesat, so I could stream movies to a tv. That feature was quite attractive to me.
I acquired CM11 unofficial from this post - http://forum.xda-developers.com/showthread.php?t=2637079
full tablet wipe, (Forgot to backup SMS, argh) and it installed CM11 with kitkat 4.4.4 just fine. No problems that I can see, installed slim Gapps package - just for the play store, nothing else. Gonna install Gmail later.
Then I bought a chromecast, it was quite fiddly - It wouldnt find it on cast screen either, I discovered I needed it to run through a wifi network with a permanent internet connection. After this, it showed up on cast screen. Also, the streaming quality was complete crap - so I returned it and got a microsoft miracast adaptor - which apparently has better quality and doesn't need a wifi router!
I can't figure out how to get it to show up. The cast screen tab cannot find any devices. The adaptor sits in the tv, and it shows '"ready to connect" on there.
Since the tab for cast screen exists on my tablet, the functionality is there, and waiting to be used?
Any help please?
Do I need to do something like this - http://forum.xda-developers.com/har...experimental-enable-mirroring-device-t2812193 ?

So, no one has provided any tips yet... I'm going to go return this miracast adaptor before I can't get a refund for it.
But before I do, is there another forum category, or another place on the internet where I may be suggested to try for some troubleshooting advice?
This doesn't make sense to me - as the functionality WORKS, it is supported by the hardware, and the chromecast adaptor actually showed up before

Wear OS watch doesn´t connect to Xiaomi Mi 8

Hi everybody!
I have a Ticwatch E that I'm trying to pair with my new Xiaomi Mi 8, I've been trying for 3 days and I still cannot pair it. This are the steps I execute to pair it:
I open the Wear OS app in my phone
I look for devices and my watch appears
I click on my watch in the device list
(Here comes the problem )
A PIN is shown in my watch, it should be shown in my phone too but it doesn´t. My phone says 'A prompt to connect will appear on this phone' but nothing happens.
After a few seconds of waiting, my phone says "Couldn´t pair with Ticwatch E 299 N, because of an incorrect PIN or passkey"
At first I thought it was a problem with the watch, since my brother has a Ticwatch E and a Xiaomi Mi 8 too and he could make it work in the first attempt, so I tried to pair my watch with his old Samsung Galaxy S7 AND IT WORKED!
After that I tried again the same steps as described at the beginning of the thread with no success, so I proceeded to try connecting it without the Wear OS app. I went to Settiongs -> Bluetooth -> Selected 'Ticwatch E 299 N', and the PIN to connect was showing both on my watch and my phone, I hit 'Pair' and then it got connected. The problem is that my watch says that I should continue the configuration process in my phone but there's no configuration process if I don't pair it with the Wear OS app.
Other things I tried:
- Downloading the Mobvoi app and trying to pair from there (it asks me to open Wear OS, so it's basically the same).
- Downloading multiple old Wear OS versions in my phone and trying to pair using them (none of them worked)
- Following this steps after having paired it to my brother's old phone and then trying to pair it with the Wear OS app (This time the wear showed the PIN and asked me if the PIN was the same that was being shown in the phone (no PIN was being shown in the phone), so I clicked Yes and then I got the same 'Incorrect PIN or passkey' error message)
- Deleting all the data (including cache) of Google Play Services, Google, Wear OS, Mobvoi app, Bluetooth/WiFi/Mobile Data connections, and then rebooting the phone multiple times (no success here too)
P.S.: I did a factory reset of the phone before every mentioned attempt.
More info about my watch versions:
Home App: 2.8.0.183948193
Google Play Services: 12.2.21
Android OS: 8.0.0
Security Patch: August 1st 2018
Info about my brother's watch versions:
Wear OS by Google: 2.6 (I don't know why I don't have this in my 'versions' section)
Home App: 2.22.0.234791771
Google Play Services: 15.0.90
Android OS: 8.0.0
Security Patch: August 1st 2018
As you can see there's a clear difference between the versions of each watch, I would like to update my watch to my brother's versions but I couldn't find how to do that without rooting the watch (I'd prefeer to keep it unrooted if possible).
Any idea of what could I do to solve this? My phone's bluetooth works fine (I can use other bluetooth devices such as headphones or a JBL Charge 3, this is the first one that didn't work) and my Ticwatch works fine too (I could make it work with the S7 )
UPDATE: I connected the watch to the Samsung S7, updated Wear OS and now all the versions of both phones are the same (except for the Google Play Services version, I couldn't update it), it still doesn't pair.

Screen Mirror to Samsung SmartTv

How can I mirror my phone screen to Samsunng Smart TV? I tried few Samsung Apps but without success. Did any one manage to do it? Also After I have installed Smartview app I can use my phone as a Pilot but I must first turn it on :S I could turn on/off my TV using Galaxy S8+ without problem...

Ok so I found it and want to share if someone will also have any problems.
This is built in feature.
Go to: Settings > Bluetooth &device connection > Connection preferences > Cast
Of course you need to be connected to the same network as your TV.
It works pretty nice.
Good luck all!

And just faced another problem. I can screen cast to my Samsung Smart TV without problem but when I try to do it on the older Samsung Smart TV version at my parents-in-law I have a problem.
First of all phone is finding TV very slowly and when it is found, I click to connect then it tries to connect, I get notification on TV that OnePlus is trying to connect and after 2-3 secods I get info on TV - disconnected and screen cast stops on my phone.
Using 9.5.4 EU soft version, TV is up to date.
Any ideas?

Does anyone else have issues with screen mirroring on the 7 Pro?

Hey everyone, can you test your screen mirroring feature on your phone and tell me if it works? I can't find many bug reports about it. For me it doesn't work.
My OnePlus 6 can presently cast the screen directly to my Roku stick and Roku TV without any issues.
I bought a 7 Pro (Oxygen OS 9.5.3 GM21AA) and enabled "wireless display" and this is what happens:
- I select Cast from the drop-down notification bar
- It searches forever without finding anything
- I click Settings
- It finally finds and shows me my available Roku device (or any TV that has screen mirroring)
- I select the one I want
- It says connecting
- instead of connecting, the list of eligible devices, including the one I am connecting to goes blank
- The list gets reset and nothing is connecting
Any attempt to try again, after I reset my phone, restarted my modem and my WiFi etc gives me the same situation.
Does anyone have any suggestions? I hate when older devices work great and newer ones don't. Both are running Android 9.

No? Just me? Lol

Hi, for me it works. Chromecast, shield tv, google home or integrated cast.
BUT, there is an issue with the resolution, my tv is 1080p, source too, but I have black margins around..

@cainman
1. You must have WIFI enable to be able to use Screen Mirroring.
2. Go to Cast setting and tap the 3dots and enable it.
Been Mirroring my device my device since day 1 without problems.

Mibox 3 on Android 9 suddenly restarting while playing videos

Hello everybody.
I've been having this problem for over a year now. I have a MiBox 3, it's the 2018 model I think. The problem is when I'm playing a video from external storage on MX Player, all of the sudden, the MiBox restarts. It's completely random. One time, I did a factory reset, installed the few apps I use and the very next day, restart in the middle of a video. But another time, after several reinstalls, the MiBox lasted 4 weeks without restarts.
I tried everything to fix this:
1.- Different versions of MX Player: official and modded versions, old, new, different settings, you name it. Different video players work but they're crap next to MX, they don't have the functions I need. I don't use versions past 1.32 because there are a couple of implementations they did I don't like and it's impossible to change them on TV, only in mobile devices.
2. Allow and block internet access: for some reason if I disable WiFi the MiBox lasts longer without restart than connected. But eventually it always restarts. I tried third party apps to block internet access for MX Player but the app breaks, it doesn't work either.
3. Lots of factory resets: mostly after system updates. With the last one I think the MiBox starts a little faster but the apps work the same.
I don't do streaming so I only connect to the internet so the MiBox sets the right time. That's it. I unplugged it when I don't use it because it keeps the light of the portable HDD on, and it really bothers me.
4. Downgrading to Android 8. I'm pretty sure this started with the upgrade to Android 9. I did the downgrade last night but that brought old problems back: that awful bright dot on the upper left corner of the screen (extremely noticeable because I have an OLED TV) and the impossibility to write content on the external USB drive. So, I'm back on Android 9.
Anybody has a suggestion???
Thanks in advance.