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Armandruzz
Paper Tape
Posts: 6
Registered: ‎03-27-2017
Location: MX
Views: 3,249
Message 1 of 15

Bricked Yoga Tab 3 YT3-850F

Hello.

I tried to update my yoga tab 3 to marshmallow, but the process failed and I tried to do it by flashing. Unfortunately, I didn't noticed it was an ota image, so it wasn't meant for that. Now my tablet is bricked (it just won't turn on) and when I connect it to my computer it is recognised only as Qualcomm HS-USB Dagnostics 900e. I need to know how to make it enter into edl mode or fastboot so I can flash stock firmware again and save it. (How to get it to be recognised as Qualcomm 9008 or something.)

 

Thanks.

 

Support Specialist
Posts: 2,948
Registered: ‎02-22-2017
Location: GB
Views: 3,209
Message 2 of 15

Re: Bricked Yoga Tab 3 YT3-850F

Hello Armandruzz

Thanks for using the Lenovo forums.

Try to see if you are able to perform a factory reset.
Note: Some setting may vary depending on the age of the tablet.
1. Go to Settings > Backup & reset
2. Touch Factory data reset
3. Touch Reset tablet
4. If your tablet is password protected, you'll be prompted to enter your Pattern, PIN or Password
5. Touch Erase everything to confirm


Alternatively, follow these steps:

1. Press and hold the power button and the plus volume.
2. You will need to continue holding this until you feel a vibration.
3. Once this happens release the power button but carry on holding the plus volume key.
4. You will see an image of an Android robot with a red exclamation mark.
5. Use the volume keys to scroll to "wipe data/factory reset" and press Power to select it.
6. Scroll down to "Yes - erase all user data" and press Power to select it.

 

Hope this helps, let us know how you get on.


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Armandruzz
Paper Tape
Posts: 6
Registered: ‎03-27-2017
Location: MX
Views: 3,201
Message 3 of 15

Re: Bricked Yoga Tab 3 YT3-850F

Thanks for answering, but I can't follow any of the steps you've mentioned, since the tablet won't​ turn on. 

It doesn't even vibrates when pressing power button. It's just recognised when I connect it to the computer. So, as I said from the beginning, Is there a way to go from this "Qualcomm HS-USB diagnostics 900E" mode to fast boot or Emergency Download mode?

RockSkate
What's DOS?
Posts: 1
Registered: ‎06-04-2017
Location: US
Views: 2,946
Message 4 of 15

Re: Bricked Yoga Tab 3 YT3-850F

Did you solve it?
Chabula
Paper Tape
Posts: 3
Registered: ‎07-28-2017
Location: NL
Views: 2,712
Message 5 of 15

Re: Bricked Yoga Tab 3 YT3-850F

I have the problem that i cant get into the recovery
The solution your mentioned is for me not work no Andoid with a red cross
Shall try the back up option
But i think the best solution is the stockrom with the flash file.
But it seems to be impossible to get this rom file

 

 

Armandruzz
Paper Tape
Posts: 6
Registered: ‎03-27-2017
Location: MX
Views: 2,706
Message 6 of 15

Re: Bricked Yoga Tab 3 YT3-850F

I actually managed to solve it by turning the USB into an EDL cable with a paper clip. There is a guide Here with instructions to do an actually pretty cool dual function cable. (with a switch.

What I did was just slide the clip between the 2 pins that it says need to be joint. I managed to conect it like that into my computer and voila! I saved my tablet. 

 

dskmusic
Fanfold Paper
Posts: 24
Registered: ‎04-12-2017
Location: ES
Views: 2,235
Message 7 of 15

Re: Bricked Yoga Tab 3 YT3-850F

please, can you explain the process?

 

Thanks!

sebasFE
Paper Tape
Posts: 5
Registered: ‎04-01-2015
Location: LB
Views: 1,911
Message 8 of 15

Re: Bricked Yoga Tab 3 YT3-850F

have you solved it? i am facing the same exact issue
sebasFE
Paper Tape
Posts: 5
Registered: ‎04-01-2015
Location: LB
Views: 1,910
Message 9 of 15

Re: Bricked Yoga Tab 3 YT3-850F

i tried this method but when connecting the green and black wire, it would just seem like the usb cable is disconnected.

how can you know that the yt3 is in EDL mode?

Armandruzz
Paper Tape
Posts: 6
Registered: ‎03-27-2017
Location: MX
Views: 1,900
Message 10 of 15

Re: Bricked Yoga Tab 3 YT3-850F

You'll know because it'll show on the computer as it. (Check device manager or the flasher tool).

 

I personally didn't tried to make the switchable cable. Instead I just managed to jump the two pins by inserting and unfolded paperclip on the usb connection and inserting it like that into the port of my laptop. 

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