Mi Tv box screen hangs at welcome screen after rooting and upgrade - Upgrading, Modifying and Unlocking

Hi All,
I rooted my MI TV box 3 4k display (Chinese) 6 months back. Today my brother unfortunately, said yes to the upgrade option in the device which leads to shows an error screen while upgrading and now I am not able to access the box, as I am not able to go beyond start screen.
Looking forward to your help.
Thanks

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[Q] New AFTV stuck on amazon logo but still adb access.

Hello,
Got an AFTV at staple the other day. I tried to follow the aftvnews guide "How to setup a new AFTV...".
Apparently my AFTV was pretty old since the initial unplug/plug trick did not work and the box was always stuk on waiting to download the update. I finally let the update run through and ended up with Firmware 51.1.0.2_user_510058520.
After that I tried to root the AFTV. For this I used adbFire. I was able to connect to the box (no internet connection at that time) and click on the Towelroot option. I did click on "Make it ra1n" and wait for a very long time. I never saw any message indicating that it succeded or failed. With the remote I ended up going back to the previous menu. I tried to install SuperSu but that did not work. Su was not installed. After rebooting the box, I get the back and white Amazon logo and then the screen goes black. The TV shows the selected input as if the AFTV is not sending any signal. I tried to plug the internet cable (with the 2 domains blocked) and the AFTV finally goes from the Orange blicking led to the Blue one but it's still stuck after the amazon back and white logo. I did try the ALT-I-PrntScr (which had worked previously when I was trying to prevent the update to install, I managed to get into recovery and do a factory reset ,so I know the keyboard itself is OK). But this time ALT-I-PrntScr only get the box to restart and brings me back to the Amazon black and white logo that disappear after a minute.
Nevertheless, I can still access the box from an adb shell, adbFire can connect to the AFTV. But since I no longer see any menu on the screen I can't attempt to reroot from adb fire.
A reboot recovery does not work as it's not authorized.
su command is not found , so it would confirm supersu did not install (properly). What's weird though is that if I do a ps, I see a process "u0_a1 6199 328 476352 18640 ffffffff 00000000 S eu.chainfire.supersu"
Any idea how I can unstuck the box ?
Thank you.
Some info for people in the same situation, the issue was that Towelroot needs internet access to complete.
i have exactly the same situation here. system doing an update and the power got cut off and viola. Welcome white amazon logo and pulsing white and orange indicator light. Tried all the possible ways found on the forum and net but no joy. Now its sitting on my drawer and hoping i can still find a way to make it alive.
DhiJay23 said:
i have exactly the same situation here. system doing an update and the power got cut off and viola. Welcome white amazon logo and pulsing white and orange indicator light. Tried all the possible ways found on the forum and net but no joy. Now its sitting on my drawer and hoping i can still find a way to make it alive.
Click to expand...
Click to collapse
I have the same exact issue right now, probably that same update yours downloaded from 2 weeks ago:
https://forum.xda-developers.com/fire-tv/general/fire-tv-stuck-amazon-logo-adb-t3809305
This guy had the same problem too, and he has a big list of things to try, none of which worked for me:
https://forum.xda-developers.com/fire-tv/help/fire-tv-remains-stuck-amazon-firetv-t3561797
Mine's unrooted on the latest version, so I guess I can't root and reinstall rom. I'd hate to have to throw this away it's only 2 years old. I have a 5 year old Roku that still runs great.
"Perfect" timing I guess with Prime Day coming up?
Edit: couple more guys having the same issue recently, sounds like a mass bricking going on
https://forum.xda-developers.com/fire-tv/help/firetv-box-white-amazon-logo-blank-t3472867
https://forum.xda-developers.com/fire-tv/help/fire-tv-stucks-white-amazon-logo-t2889867
https://forum.xda-developers.com/showthread.php?t=2799779&page=7
DhiJay23 said:
i have exactly the same situation here. system doing an update and the power got cut off and viola. Welcome white amazon logo and pulsing white and orange indicator light. Tried all the possible ways found on the forum and net but no joy. Now its sitting on my drawer and hoping i can still find a way to make it alive.
Click to expand...
Click to collapse
I played with mine a bit more today and I was able to fix
I read somewhere that someone else was having the same issue and said it was a HDCP handshake issue and they were able to fix by plugging to a different HDMI port on the TV. I tried that and it booted up to the colorful Amazon logo, showed the home page for a sec, then went to a black screen. From here, it would flash the home screen really quick randomly every 30 secs or so, so I know it booted up and I'm on the home page, it's just not displaying correctly. I was then able to pair my remote (I unpaired before because I was using flirc), then us the remote shortcut to factory reset. Good to go after the reset.
TBH, I did not try turning it on before I swapped HDMI ports so I'm not 100% sure if switching ports really did help it boot past the white logo, or if it just happen to get fixed after some time.
Interestingly while on the colorful logo, the alt+i+printscreen trick did not work for me. So it took me longer before I could get to the factory reset.
johnusesandroid said:
I played with mine a bit more today and I was able to fix
I read somewhere that someone else was having the same issue and said it was a HDCP handshake issue and they were able to fix by plugging to a different HDMI port on the TV. I tried that and it booted up to the colorful Amazon logo, showed the home page for a sec, then went to a black screen. From here, it would flash the home screen really quick randomly every 30 secs or so, so I know it booted up and I'm on the home page, it's just not displaying correctly. I was then able to pair my remote (I unpaired before because I was using flirc), then us the remote shortcut to factory reset. Good to go after the reset.
TBH, I did not try turning it on before I swapped HDMI ports so I'm not 100% sure if switching ports really did help it boot past the white logo, or if it just happen to get fixed after some time.
Interestingly while on the colorful logo, the alt+i+printscreen trick did not work for me. So it took me longer before I could get to the factory reset.
Click to expand...
Click to collapse
I wish I had the same luck like you but i tried different tv's, all the ports availble and different HDMI cables but still no luck.
Anyone able to find a solution to fix it? or should I just throw it out?
DhiJay23 said:
Anyone able to find a solution to fix it? or should I just throw it out?
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Click to collapse
Sorry you weren't able to fix. Before you throw away, try contacting support. Not because they can fix it, they most probably can't. When I had problems with mine, I contacted them and they gave me a $15 credit off of a new one because I was out of warranty. This was a couple days before Prime Day so I was able to snag a new one for really cheap. Plus my old one started working again, so I now have 2 Fire TVs

plz plz help amazon fire tv stick not responding

hi i got fire tv stick from ebay over month ago it was fine just 3 days befor its stop working dont no whats wrong soon i change my tv to hdmi setting i can only see fire stick starting logo and then after that amazon logo on tv screen its like screensaver both logos r keep coming and going cant do anything with remort plz any advise
sharma1 said:
hi i got fire tv stick from ebay over month ago it was fine just 3 days befor its stop working dont no whats wrong soon i change my tv to hdmi setting i can only see fire stick starting logo and then after that amazon logo on tv screen its like screensaver both logos r keep coming and going cant do anything with remort plz any advise
Click to expand...
Click to collapse
Seems like it's probably bricked? Maybe you could try a hard reset (hold the middle select button & the play/pause down for about 6 seconds then If it boots normal again maybe do a factory reset from the settings screen (maybe this could solve your problem?), there is also a way to do a factory reset via the remote (Google it). If not you may have to get your self another one?
On a different note at the moment the AFTV2 box is on sale on Amazon for £65 which is a deal & can be rooted too If desired?
Hope this helps If so press that thanks button

Unable to screen mirror on FireTV Stick

Hi today I am unable to screen mirror on to my FireTV Stick, I have used it several times last week but suddenly its not working.
FireTV is unrooted with latest firmware installed.
Whenever I am trying to screen mirroring from my phone on TV I am seeing its connecting to my mobile, but after few seconds its coming back to home screen by saying screen mirroring is exiting.
I have tried 2 different phones, but same issue. Can anybody help me out? I have already tried factory reset but no luck!
I have exactly the same issue, windows 10. any solution yet?

Mi Box response to touch screen inputs

Hello guys,
I am probably trying to achieve impossible but I will give it a try. Recently i have bought a Mi Box 3 and a hannsspree touch screen monitor. If monitor is connected to samsung galaxy s8 phone I can use the phone via monitor's touch screen.
I've tried to look how to enable touch on Mi Box but without luck. Hopefully someone can help me or provide me with some information how to change kernel or so to activate touch response on Mi Box via touchscreen monitor.
Have a wonderful day
dzonassim said:
Hello guys,
I am probably trying to achieve impossible but I will give it a try. Recently i have bought a Mi Box 3 and a hannsspree touch screen monitor. If monitor is connected to samsung galaxy s8 phone I can use the phone via monitor's touch screen.
I've tried to look how to enable touch on Mi Box but without luck. Hopefully someone can help me or provide me with some information how to change kernel or so to activate touch response on Mi Box via touchscreen monitor.
Have a wonderful day
Click to expand...
Click to collapse
Hi, any luck with it?

Question Screen Mirroring

Hello all, was was wondering how screen mirroring is working, I tried lastnight to mirror Hulu to my fire stick, but turning on cast i couldn't detect it, also there was no option for me in Hulu. My girl's IPhone 11 was easy to pick it up, sorry in advance if I'm missing any steps as this is my first one plus phone and coming off of a note 8, thanks!
It's a bug, turn on wifi first.

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