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Wiznoodle
802.11n
Posts: 247
Registered: ‎02-07-2018
Location: US
Views: 823
Message 41 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

I have never looked at the Lenovo download, so can't tell you exactly why it wouldn't flash. But, to flash in miflash the package must be compatible. Maybe the package from Lenovo isn't the proper format for miflash..

Glad it worked out for you.
tabuser2
Paper Tape
Posts: 5
Registered: ‎01-17-2019
Location: FI
Views: 742
Message 42 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

I also have big problems with Oreo update. I tried to follow carefully instruction explained above in this thread.

 

My problem is maybe MiFlash. I have tried several versions and the older MiFlash version will not regonize my tablet (it only start charging battery after couple red led flash) and newest version of MiFlash does not find flash file to upload (newest MiFlash connect to my tablet). See screencapture below.

tabu.jpg

 

 

Little help needed, thx.

Wiznoodle
802.11n
Posts: 247
Registered: ‎02-07-2018
Location: US
Views: 740
Message 43 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

You are not in emergency download if the device is recognized as HG...... Thefore you can not flash the package.

 

You MUST be recognized as COM. This is verification you are in emergency download mode ( edl mode ).  Try again. Power off, follow the instructions again to get the tablet into edl mode. It might take a few tries. 

 

Preep
Paper Tape
Posts: 4
Registered: ‎02-07-2019
Location: ES
Views: 514
Message 44 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Hi, first at all thank you very much to Wiznoodle for the tutorial for downgrade. Like Jetlink i wanna downgrade my Tab4 8 to Nougat cos have 2 main issues with Oreo, has static sound with Dolby when volume is low and the scroll lags in some apps (Amazon Prime Video, Youtube, with Facebook is horrible, and others). 

My dude is the rom i have to flash. My tab is too the TB-8504F Wifi, the rom is TB-8504F_S000029_170518_ROW_QFIL? Because don't know what QFIL means.

DJiK
Fanfold Paper
Posts: 14
Registered: ‎12-30-2018
Location: FR
Views: 500
Message 45 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

QFil is a tool to flash, but the images can work with other tools. If you have the correct number for the tablet, I suppose this is the good image. :-)

Preep
Paper Tape
Posts: 4
Registered: ‎02-07-2019
Location: ES
Views: 485
Message 46 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Aha, thanks. I'm unzipping the rom, I'll try.

Preep
Paper Tape
Posts: 4
Registered: ‎02-07-2019
Location: ES
Views: 477
Message 47 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Have a problem with MiFlash, has the error "susb.exe is not a valid win32 application". Have winxp, any idea?
Wiznoodle
802.11n
Posts: 247
Registered: ‎02-07-2018
Location: US
Views: 471
Message 48 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Windows XP? Hmmmm try this older version of miflash

 

http://en.miui.com/forum.php?mod=viewthread&tid=189369&highlight=Mi%2Bflash%2B2015

DJiK
Fanfold Paper
Posts: 14
Registered: ‎12-30-2018
Location: FR
Views: 468
Message 49 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Preep
Paper Tape
Posts: 4
Registered: ‎02-07-2019
Location: ES
Views: 459
Message 50 of 55

Re: Tab4 8 Problems with 8.1 Oreo update

Yes, it's an ooold laptop with XP. I had problem with winusb.dll but i solved. I'm back on Nougat. Thank you very much for the help.

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