[Android General] daitalos:
We will see here, how we can restore the device Lenovo P8 8703F (wifi) to the factory condition if stucks on the logo or after a brick ...There are several ways , for example ( Qfil, Qpst, eMMC DL, Qcom phone download tool,Qualcomm SW downloader, GNQC etc)

for devices with Qualcomm ,but we will see here an easy way with a tool known as QFIL (recomended) ...Before than all must we have the PC ready, with the appropriate drivers Installed ...

1)Disable driver signature enforcement on Windows 10 permanently/temporarily: a: https://windowsreport.com/driver-signature-enforcement-windows-10/

b: https://www.howtogeek.com/167723/how...igned-drivers/

_ How to disable Driver Signature Enforcement-Video:

(Windows 8, 8.1 & 10)

* _ OR : https://gsmusbdriver.com/fix-driver-signature-error

**(In windows 10,you may need to disable the "secure boot" from BIOS in some cases,before to do this)

( Or, just download this and follow the instructions : https://mega.nz/file/5rphEShJ#-VGvFPM0hZICZC28VQ6zqwHXLA9EEfv_8thiTXla1dY )

2)Qualcomm drivers : https://androiddatahost.com/nbyn6 (how to Install Qualcomm drivers >

)

tutorial & here : https://forum.hovatek.com/thread-16965.html

__Qualcomm drivers (MEGA Cloud) : https://mega.nz/file/0yRDmCYC#e-cadgzqeBcjlO7ThzF148q_dW8i_AATshC35nXbX8Y

__Qualcomm_USB_Driver_1.00.40.5_Setup.exe : https://mega.nz/#!Zq5C3K7A!7I3W9jh79-UbgvJ1dGIYCuj8cbxYtiXAXf4i-mO-VAQ

[Qualcomm usb drivers windows xp,7,8,8.1,10 32bit : https://mega.nz/file/JzAAHBBD#VOlN8HjgFqWfkD8LJafgJxKje18_l6o_vP9gmrja_JU ]

3)_[Important : [Qualcomm HS-USB QDLoader 9008 - Windows XP / 2000 / Vista / 7/8 / 8.1 / 10 x64 : http://www.mediafire.com/file/u3mrk0qan6qz5sq/Qualcomm_USBDriver_2.1.0.5_x64.cab

https://gsmusbdrivers.com/download/qualcomm-hs-usb-qdloader-9008-driver-64-bit-windows/

https://gsmusbdrivers.com/download/qualcomm-hs-usb-qdloader-9008-driver-32-bit-windows/

4) QFIL ALL VERSIONS : https://androidmtk.com/download-qualcomm-flash-image-loader-qfil

5) THE STOCK FIRMWARE Lenovo P8 TB-8703F (wifi) : https://www.mediafire.com/file/nvdo3hq0r6mnoqs/TB-8703F_S000031_170616_ROW_QPST.7z

__MEGA CLOUD : https://mega.nz/#!NipTRSiJ!E5Ej-PWNOllLSfFLla7o_YOTkCkbbLR92Y_aZmMRJYo [FONT=source_sans_proregular](TB-8703F_S000030_170307_ROW_QFIL.7z)[/FONT]

(Source): http://lenovo-forums.ru/files/file/1831-tab3-a8-plus-proshivka-tb-8703f_s000031_170616_row_qpst/

[ For the tools we will use, if a code is requested pass : androidmtk.com / For Stock Firmware pass: lenovo-forums.ru ]

_[* https://firmwarefile.com/lenovo-tb-8703f > (three firmwares tb-8703f USR_S000032/34/35 + tutorials) ]

*For Lenovo P8 TB 8703X (3g-lte) STOCK ROM you can see post #2

__* IMPORTANT ! : Solution to the known problem (sometimes) : " Download Fail:Sahara Fail:QSaharaServer Fail Process fail error" - (Known as the "Sahara Fail Error")

1) disable driver signature ( See the link above )

_ a) Download and try with this version QPST (qfil included) : https://androiddatahost.com/np4wq

_b) Try to another USB port (?) [Try to connect device-pc on usb 2.0 & no on usb 3.0]

_ c) update your drivers : https://gsmusbdrivers.com/download/android-qualcomm-usb-driver/ how to-Quide: https://www.gizmoadvices.com/qualcomm-hs-usb-qdloader-9008-driver/

_d) you must to press power button at the same time you plug in usb cable.....keep trying and your computer will start installing drivers for Port 9008

*_[Maybe you need to Install - update Microsoft NET Framework 4 : https://www.microsoft.com/en-US/download/details.aspx?id=17851

....If you already have instaled, skip this step]

[ The way through Qfil is recommended, has been successfully tested many times by many users & me...Download button will only become active when your device is connected properly! CONNECTED THE DEVICE TO THE COMPUTER BY HOLDING THE VOLUME UP KEY ! Take special care with steps 6,7,8 in tutorial Qfil here ! : https://androidmtk.com/use-qualcomm-flash-image-loader-qfil ....as most mistakes are made here ! Read carefully ....

_Your personal data will be deleted after flashing the stock firmware via Qfil ...

[ Charge your phone to at least 70% before use Qfil ! ]

__ do not hesitate to ask for help from other users , & read carefully before doing anything on your device...

__ please, be kind with everyone ! Tell your opinion freely or your problems for your device etc...

Via QFIL :

1) Download & extract QFIL on your PC...After extracting you will be able to see the Files > Screenshot 1

2)Now,open QFIL.exe > Screenshot 2 (as administrator)

3)Once QFIL is launched you will be able to see the following screen > Screenshot 3

4)Now,Switch OFF your Tablet > Screenshot 7

5)Once your device is Switched OFF, Press & Hold VOLUME UP KEY & CONNECT THE DEVICE TO PC, using USB Cable (attention to this step)

6)Now,in QFIL click on browse button & locate the Firmware (.mbn) > Screenshots 4+5

7)Once you have added the Firmware File, QFIL will automatically load the rest of the Firmware data (qfil detect your device in 9008 mode) > Screenshot 8

8)Now,click on the download button to begin the flashing process > Screenshot 6

9)Flashing process may take 10-15 min to complete (or less)

10)Once flashing process is completed your device will be reboot automatically...thats it , done!

__ All Steps are described & here in detail, read carefully without hurry & everything will be fine : https://androidmtk.com/use-qualcomm-flash-image-loader-qfil

[ QPST (qfil included) ] { https://androiddatahost.com/np4wq } Use this Version QPST if you have problem / error

** "Download Fail:Sahara Fail: QSaharaServer Fail: Process fail error" !

QPST ALL VERSIONS : https://androidmtk.com/download-qpst-flash-tool

Via QPST :

1. Download firmware, drivers and utilities Lenovo Tab P8 TB-8703F (wifi)

2. Unzip the archive contents and install the drivers and QPST utility

3. Run the QFIL utility (included)

4. In the "Select Build Type" set to "Flat Build"

5. Click "Browse" and from the folder with firmware (Images) select the file "prog_emmc_firehose_8953_ddr.mbn"

6. Click "Load XML" and select the file "rawprogram0.XML" and then "patch0.XML"

7. Switch the device off completely

8. Insert one end of the usb cable into the PC, hold down the device buttons to decrease and increase the volume and connect the other end of the usb cable to the device

9. The program must determine the phone, at the top instead of "No Port Available" should appear the name of your device and in brackets the port number (QFIL should detect your device in 9008 mode) > Screenshot 8

10. Press the "Download" button and wait for the operation to be completed

11. After the operation is completed, disconnect the device from the PC and turn it on

12. If everything is done correctly, the device will boot in about few minutes ..(if not, try again, you have made a mistake)

[ before the first start you can try wipe cache-wipe data/factory reset from stock recovery ]

_{ Important! : Press the volume up and plug the USB cable that is already connected to the USB port of your computer without releasing it.! Most mistakes are made here ! the "Qualcomm / Lenovo HS-USB QDLoader 9008" will appear at the top > Screensot 8 }

__Before starts download : Open device Manager in pc & make sure the QFIL program recognizes your device as the "Qualcomm Lenovo HS-USB QDLoader 9008 (com27 for example)" {screenshot 8 }

*[ Recommended: On PC, Latest VC ++ runtime environment / Net 4.0 or higher / Ram at least 2 GB + ]

[ Optionally: _Useful tools ... Lenovo MOTO Smart Assistant / windows7/10, 32&64 bit : https://support.lenovo.com/gr/el/downloads/ds101291

Lenovo site TAB3 8 Plus Tablet (TB-8703F, TB-8703X) Software (connect device-pc) :

https://pcsupport.lenovo.com/gr/el/products/tablets/a-series/tab3-8-plus?linkTrack=Caps:Body_SearchProduct&searchType=3&keyWordSearch=TAB3 8 Plus Tablet (TB-8703F, TB-8703X

_ *Lenovo TB-8703F Usb drivers(Qualcomm & ADB): https://gsmusbdriver.com/lenovo-tab-3-8-plus-tb-8703f

*TB-8703X(Qualcomm&ADB): https://gsmusbdriver.com/lenovo-tab-3-8-plus-tb-8703x

_ Threads about Lenovo P8 xda : https://xdaforums.com/t/lenovo-p8

_ Find various drivers here : https://gsmusbdrivers.com/

_* How to flash stock firmware 8703F/X using QcomDloader Tool : https://androidmtk.com/use-qcomdloader-tool

* stock firmware : 8703F: https://firmwarefile.com/lenovo-tab-3-8-plus-tb-8703f

* 8703X : https://firmwarefile.com/lenovo-tab-3-8-plus-tb-8703x

__ [ Latest TWRP 3.2.3-0308 for TB-8703F & TB-8703X : https://xdaforums.com/android/development/links-t3764658 ]

Lenovo P8 threads: https://xdaforums.com/tags/lenovo-p8/

_[Be careful with the various tools and especially USB drivers, there may be newer versions now, from the time this article was written!]_

( I hope that several users will find help in this thread )

sry for english & GL to all

[ I have no responsibility for what does anyone on his device,nor I can be have responsible for the mistakes done by you]

;)