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[GUIDE][K920][ROW] Revert back to KitKat - stock ROM - Lenovo VIBE Z2 Pro

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By Electry, Senior Member on 3rd June 2015, 04:04 PM
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Save yourself some trouble and don't do it!

If you are willing to try the sdfuse method, guide remains below.
Please note that I take no responsibility for your actions whatsoever.

Android Kitkat
How to revert back to S143 FW - latest stock KitKat FW
for Lenovo VIBE Z2 Pro - ROW version

Only for ROW version of the phone !


This will wipe all user data, including internal storage.
This will also relock bootloader, restore stock recovery and remove root.


Disclaimer
I am not responsible for anything that happens to your device. You have to understand what you are doing.

Instructions (sdfuse method)
  1. Download the zip archive (firmware) below.
  2. Connect your phone to the PC via USB cable.
  3. Copy \sdfuse directory from the downloaded archive to the root of the internal storage of your phone.
  4. Make sure there is only single *.qsb file in the sdfuse folder.
  5. Turn off your phone.
  6. Hold VOLUME DOWN and POWER button simultaneously until you see console-like view with 13 options.
  7. With volume buttons select 5th option - SD Update and press power button to confirm.
  8. Confirm the dialog and wait for finish.
  9. Click on Reboot button.
  10. Done!


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8th January 2016, 06:01 AM |#2  
There is a bootloader unlock method for KK right? Also, are there ANY bugs I should be wary of?
8th January 2016, 08:19 AM |#3  
clone.x's Avatar
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There is no lock of Bootloader under Android KitKat version

c.x
1st February 2016, 11:56 PM |#4  
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If i turn to kitkat, can i download system updates via OTA again?
2nd February 2016, 09:50 AM |#5  
clone.x's Avatar
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Yes, sure.

c.x
2nd February 2016, 10:15 AM |#6  
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Thanks
15th March 2016, 07:11 PM |#7  
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can i do it for cm 13 phone ?
17th March 2016, 08:33 PM |#8  
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hi, can someone tell me, what to do when volume- and power button do nothing? i have cm 12.1. i can go only to recovery
17th March 2016, 09:20 PM |#9  
clone.x's Avatar
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This method work only on Lenovo Stock ROM and Lenovo Stock Recovery...

c.x
21st March 2016, 04:17 PM |#10  
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and how can i get stock 5.1 on my cm? is any possibility?
21st March 2016, 04:44 PM |#11  
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Pro tebe v češtině hledej zde: CM / BootLoop / Error > QFIL Flash > Lenovo 5.0.2 K920_S246_ROW

Or look here in english: [GUIDE][K920] CM12.1 / BootLoop / Error > QFIL Flash > Lenovo Vibe Z2 Pro Stock 5.0.2

c.x
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