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Posts: 2
Registered: ‎04-05-2017
Message 1 of 5 (633 Views)

My Sony 55x850D is in a constant reboot cycle

My TV has this same issue. I am from the US. Purchased my TV just over a year ago at Best Buy. I have the 55X850d model. It does the following:

  • Turn on, 
  • Sony Logo
  • Android Logo
  • "Unfortunatley, System software update has stopped."
  • " [X] program has stopped" - the program changes between Sony Shelf, TV Storage, and various others, different ones each time.
  • Tv turns off
  • Goes back to step one.

I have tried every suggestion. The remote registers that a button is pressed (the light under the screen responds to the remote buttons) but there is no other reaction. I can't select any of the options that pop up. I can't get to the factory reset. I tried to unplug the TV for a short amount of time. When that was unsuccessful I unplugged it overnight. As soon as it is plugged in, step one starts.

It started when I tried to stream a video from Youtube on my desktop to the PC. (I have done this regularly for the entire time I've had teh TV. This is the first time it has crashed like this.


Please Help!

Posts: 34
Registered: ‎01-20-2017
Message 2 of 5 (580 Views)

Re: My Sony 55x850D is in a constant reboot cycle

[ Edited ]


Can you try if Android safe mode works on your TV:


If you can access to safe mode, maybe you can do a factory reset after it.


Posts: 5
Registered: ‎05-16-2017
Message 3 of 5 (468 Views)

Re: My Sony 55x850D is in a constant reboot cycle

[ Edited ]

I'm having the same problem.  It's happened multiple times over the last 2 months.  I've tried doing a factory reset with no success. 


I was thinking that I had a bad TV, but since it's happened to more than just me it's probably not the case.


I've sold countless of Sony 4k TV's while working for Magnolia and haven't heard of this problem, but I'm not sure how many actually use the smart apps on the TV.  


Any advice to fix this problem would be greatly appreciated.





Posts: 4,666
Registered: ‎03-12-2015
Message 4 of 5 (443 Views)

Re: My Sony 55x850D is in a constant reboot cycle


Hi, Sony Community! 


Thank you for your messages. 


You may perform a force factory reset especially if this issue started after trying to update the firmware. Follow the guidelines here:







If my post answers your question, please mark it as "Accept as Solution"

Posts: 5
Registered: ‎05-16-2017
Message 5 of 5 (419 Views)

Re: My Sony 55x850D is in a constant reboot cycle


I've tried that first, but it still is having the same issue. I know people with 930D's and even a Z9D without this issue. I'm kind of wondering if it has something to do with the structure of the 850D itself.

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