[Thinkpad Tablet General] ssmmaile:
Lenovo Yoga 2 1050F EFI Bios bootloop

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This Save My Tablet but can BRICK your device, so use at your own risk​

FOLLOW THE FOLLOWNIG STEPS STEP BY STEP

1) Install Fastboot (Link is below)

2) Instal USB drivers (Link is below)

3) Install Platform flash tool (Link is below)

4) Download the file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_USR_S100031_1506111400_WW52_ROW-(L).rar" (Link is below)

5) Create Folder In C partition Called 1050f (C:\1050f)

6) Extract the files and folders in the archive file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_USR_S100031_1506111400_WW52_ROW-(L).rar" in C:\1050f

7) Run CMD Line and navigate to the created folder by typing this command cd C:\1050f

8) Boot tablet into dnx mode (PowerOff .... and then PowerOn+VolUp+VolDown, screen should say "Starting fastboot...")

9) Connect USB from tablet to PC and from CMD line run fastboot:

fastboot flash osloader efilinux-user.efi

fastboot boot droidboot.img

10) In the booted droidboot mode run from CMD line:

fastboot flash osloader efilinux-user.efi

fastboot flash fastboot droidboot.img

fastboot flash recovery recovery.img

fastboot flash boot boot.img

10) In the same droidboot mode: run Platform flash tool (already installed in step 3)

11) In Platform flash tool click in File->options tick "Force fastboot sparsing" 500MB and apply

12) Choose file flash.xml from Created Folder (C:\1050f) and click Start to Flash

WAIT!!! until you see "Result okay" on tablet AND "Flash Sucess" in Platform flash tool

Power off the Tablet

IF TABLET START NORMALLY SKIP ALL FOLLOWING STEPS AND ENJOOOOy

IF THE BOOT FAILED CONTINUES THE FOLLOWING STEPS​

13) Download restore-kitkat-bios-830-1050-v2.exe (Link is below)

14) Boot tablet into dnx mode (PowerOff .... and then PowerOn+VolUp+VolDown, screen should say "Starting fastboot...")

15) Run Downloaded File restore-kitkat-bios-830-1050-v2.exe

In the appeared CMD windows type C and Enter Boton and wait until finish (you will be asked during processus ; type the correspondant caracter)

16) Download the file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_S0198_150422_ROW.rar" (Link is below)

17) Create Folder In C partition Called YT1050 (C:\YT1050)

18) Extract the files and folders in the archive file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_S0198_150422_ROW.rar" in C:\YT1050

19) Install Phone Flash Tool (Link is below)

20) Boot tablet into dnx mode (PowerOff .... and then PowerOn+VolUp+VolDown, screen should say "Starting fastboot...")

21) Run Phone Flash Tool (installed in Step 19)

22) In Phone Flash Tool cick in File->options tick "Force fastboot sparsing" 500MB and apply

23) Choose file flash.xml from Created Folder (C:\YT1050) and click Start to Flash

WAIT!!! until you see "Result okay" on tablet AND "Flash Sucess" in PhoneFlashTool

Reboot

NEXT STEPS FOR RECIEVING LOLIPOP UPDATE WITHOUTS PROBLEMS AND FAILLURES

IF YOU SKIP THE NEXT STEPS YOU WIL NOT BE ABLE TO GET UPDATES SUCCEFULLY

24) After The reoot and When Android starts skip all dialogs (tablet is going to factory reset anyway)

25) Select Contacts from desktop and make 1 dummy contact Number "####6020#"

26) In the search bar type "####6020#" and then select your country

27) Tablet reboots and you are on stock KitKat again and should receive an update notice for Lollipop

LINKS : Replace * by . (dot)

1) Fastboot

www*mediafire*com/file/ob0gc8dcpjb4rl9/adb-setup-1.4.3.zip/file

2) USB drivers

www*mediafire*com/file/f0ky2m7b24nia06/YT2-1050F_Drivers.rar/file

3) Platform flash tool

www*mediafire*com/file/w6j7a6prblnupvc/PlatformFlashToolLite_5.8.9.0_win32.exe/file

4) the file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_USR_S100031_1506111400_WW52_ROW-(L).rar"

drive*google*com/file/d/17dtrJiy7YsDAxgrerlv_qK27bTJ_vdOa/view

13) restore-kitkat-bios-830-1050-v2.exe

www*mediafire*com/file/g5hfc9d06bxvzyt/restore-kitkat-bios-830-1050-v2.exe/file

16) the file "Lenovo YOGA Tablet 2 10 ‘_YT2-1050F_S0198_150422_ROW.rar"

drive*google*com/file/d/1nldIs2eAjxuAZbRY-oc3Cm21TLadcOvc/view

19) Phone Flash Tool

www*mediafire*com/file/ai9gpfkpt7735np/PhoneFlashTool_5.2.1.0_external_win32.zip/file