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[ROM] [STOCK] [Unbrick] [x3_row] Lenovo VIBE X3 ROW (X3a40) Stock Firmware Flashing

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DISCLAIMER: I am not responsible for anything that happens while/after flashing these files. Your device's destiny is your own responsibility. Proceed at your own risk.

After days of waiting, a stock ROM package for Vibe X3 is finally available(or rather leaked).
This thread and all its contents are meant solely for the ROW variant X3a40.

This thread will come handy for restoring both working or bricked devices back to stock state.

There are two ways to flash the stock ROM:
  • Using QFIL tool on PC: This should be handy for bricked devices and also for working devices. Guide in post #2.
  • Using Qualcomm Diagnostic mode on device: This should be handy for people willing to downgrade a working device to an older stock firmware. Needs access to internal storage so doesn't make sense to use for a bricked device. Won't work if on custom ROM (modded stock ROMs should work). Guide in post #3.

DOWNLOADS
Credits: http://lenovo-forums.ru/forum/590-le...2%D0%BA%D0%B8/
The file sizes differ due to different compression levels and format.
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4th March 2016, 07:32 AM |#2  
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With Windows PC Flashing Guide
WARNING: Everything apart from data in external SD card will be wiped. Make sure to backup everything.
  1. Download the QFIL flash package ZIP and appropriate ZIP from Drivers+QFIL.
  2. Extract the ZIPs to a folder whose complete path has no spaces (space characters) at all. A number of people have reported issues when this folder is on the same partition as Windows(mostly C: ) so prefer D: or any other partition.
  3. Make sure you uninstall any other phone's PC Suite/drivers as they may cause conflicts. Microsoft Emergency Driver (installed for restoring Lumia devices) is known to conflict, please uninstall it.
  4. Go to Drivers+QFIL folder extracted in Step 2, run the appropriate 'INSTALL_DRIVERS_&_QFIL.bat' and follow the instructions.
  5. Backup contacts, SMS, apps, etc. as well as the entire internal storage as they will all be wiped(you will setup a new phone). Internal storage WILL BE erased when using the QFIL flash method.
  6. Run 'QFIL' program. Let it load, close and run it again. This restart is only needed if you haven't used QFIL on that PC before and failing to do so might cause Sahara related errors.
  7. Select 'Flat Build' as build type.
  8. Click on 'Browse', select the 'prog_emmc_firehose_8992_ddr.mbn / prog_emmc_firehose_8992.mbn' file from the 'X3a40_S130_151122_ROW_QFIL' folder which you extracted.
  9. Click on 'Load XML' and select 'rawprogram0.xml' followed by 'patch0.xml'.
  10. Make sure you completed each step precisely, the USB cable is connected ONLY to USB port (USB 2.0 preferably) of PC and not to device yet, the device is powered off and is charged (at least 40%).
  11. Now boot into EDL by plugging in the USB cable to device and then QUICKLY(within a second of plugging in) pressing and holding power button for ~1 second. QFIL's 'No port available' text should change to 'Qualcomm HS-USB QDLoader 9008 (COMXX)'. The display will stay off so, don't worry about it.
  12. Within ~5 seconds put the device on a stable surface (so that it doesn't move around or shake) and press the 'Download' button on QFIL. If you are late, the device starts to power on normally and you need to go back to Step 11 and continue.
  13. Wait for the flash to complete and 'Download Succeeded' message appear at the bottom.
  14. Press and hold the power button for ~10 seconds to boot normally. If display doesn't turn on press and hold the power button again for longer time, it will boot.
  15. Once you see the Lenovo logo, unplug the phone.
  16. Once you have finished the initial set up, open dialer, dial '####682#', choose your region and confirm.
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4th March 2016, 07:32 AM |#3  
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Without PC (QSB) Flashing Guide
WARNING: All the contacts, SMS, apps, etc. will be wiped. Make sure to backup them. Data in internal storage (sdcard0) and external SD card will not be wiped.
  1. Download the QSB package and extract the ZIP.
  2. Place the "sdfuse" folder extracted from the ZIP in internal storage of your device.
  3. Backup contacts, SMS, apps, etc. as they will all be deleted(you will setup a new phone). Internal storage will not be erased when using the QSB flash method. But, to be safe, back up the data in internal storage too.
  4. Boot to Qualcomm Diagnostic mode (not recovery) by pressing and holding Volume down + Power button together until Lenovo logo appears and flickers once(release the buttons after flicker).
  5. Goto 'SD Update' using volume rockers and touch on 'Enter'.
  6. Touch on 'Start'.
  7. Once finished touch 'Restart'.
  8. Once you have finished the initial set up, open dialer, dial '####682#', choose your region and confirm.

That's it.
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4th March 2016, 07:33 AM |#4  
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TIPS & INFORMATION
  • The various modes X3a40 can boot into:
    1. Recovery mode: Press and hold Volume up + Volume down + Power together until Lenovo logo shows up and flickers once. Release the buttons and you will reach the recovery. This opens up the recovery of the device.
    2. Qualcomm Diagnostics mode: Press and hold Volume down + Power button together until Lenovo logo shows up and flickers once to boot into this mode. This opens up the Qualcomm Diagnostics screen which has a number of hardware testing and other tools along with ability to flash the stock ROM. It is also used for further Diagnosis using a PC.
    3. Fastboot mode: Press and hold Volume up + Volume down and plug in the USB cable(already connected to PC). You may also use the ADB command "adb reboot bootloader". Obviously, you need a working device with USB Debugging turned on and ADB installed on PC. This enables the traditional Fastboot interface. NOTE: Device stays on Lenovo logo while in Fastboot mode.
    4. EDL mode: Plug the USB cable and then QUICKLY(within a second of plugging in) press and hold the power button for a little while. Device stays in EDL only for ~5 seconds unless you start firmware flash via QFIL. You can also use ADB command "adb reboot edl". This will put your device in Qualcomm Emergency Download Mode which is meant to flash stock firmware using QFIL tool on working/bricked devices.
    5. Normal mode: This is what you boot by normally pressing the power button. I don't need to say much about this one.
  • Keep your NV data (IMEI, Serial No., etc.) backed up from QFIL>Tools>QCN Backup Restore. Device must be in Qualcomm Diagnostics mode. There are many more ways to do this.
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4th March 2016, 06:35 PM |#5  
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Thanks
5th March 2016, 02:10 AM |#6  
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Thank you!!!
Thank you for sharing. I was waiting for this, now we can experiment our device without any fear.
5th March 2016, 02:34 AM |#7  
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Hey. Can we see some guides since it's weekend
5th March 2016, 07:09 AM |#8  
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thank you
5th March 2016, 12:01 PM |#9  
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I cracked my device's display.
Wouldn't be able to work on root for next 10-15 days.
Meanwhile, the 138 update is nice.
5th March 2016, 04:00 PM |#10  
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That's sad news
6th March 2016, 03:06 AM |#11  
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Arpit. Meanwhile someone has suggested in the lenovo forum to copy the file (downloaded from the Russian site) and flash it thru recovery mode.. My question is will it work.. As this is my primary and only device
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