Problems While Rooting Lenovo K50a40 (K3 Note)

Many noobs New Users are experiencing Problems rooting Lenovo K3 Note on Marshmallow Rom. So this tutorial will help them Root Lenovo k3 Note and install Custom recovery.:good::good::good:
This is not a cookbook, You need to know what are you doing. Neither I nor XDA is responsible for BRICKED Devices.
Downloads:

1. Boot.img
2. SP Flash Tool
3. (optional)Lenovo K3 Note Stock ROM
4. Recovery
5. ADB AND FASTBOOT
6. Patience

Now to Root Your phone Follow These Steps:

1. (OPTIONAL) Flash Your Phone with Stock Rom, To do this follow these steps :
   • Install All the required Drivers.
   • Download the LENOVO K3 NOTE FIRMWARE from Above.
   • Now Extract SP Flash Tool And extract FIRMWARE Folder inside it.
   • Now Run flash_tool.exe as Administrator.
   • Go to Options>Download> And check both the checkbox(s).
   • Now Click On Scatter-Loading and navigate to Firmware>target_bin>and select MT6752_Android_scatter.txt .
   • and click on DOWNLOAD.
   • NOW connect your Device Powered OFF to your computer and Wait Till a Box Appears Saying "Download OK".
   • Turn ON your Mobile and complete the initialization.
2. Now Download the Recovery, Extract it, and load its scatter file in the SP FLASH TOOL with the same config.
3. And again connect the phone Powered OFF after clicking Download Button.
4. When it completes. Try to Boot into recovery (by holding VOL+, VOL- and Power button simultaneously).
5. IF TWRP boots You are good to Go. :good::good::good:
6. Now Reboot into system and open Settings>DEVELOPER Options and click on USB DEBUGGING and ALLOW OEM UNLOCK.
7. Now Extract ADB and FASTOOT tools (and PLACE boot.img in the folder) and shift+right-click in the folder and select open command window here.
8. and type
   Code:

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   adb devices

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9. allow adb to connect on your phone and then type
   Code:

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   adb reboot-bootloader

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10. Now your phone will reboot in FASTBOOT MODE type
    Code:

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    fastboot devices

    ---

11. if it shows your device then type
    Code:

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    fastboot flash boot boot.img

    ---

12. then type
    Code:

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    fastboot reboot

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13. After that switch off your Phone and boot into recovery.
14. Now install the SuperSU zip.
    Hurray Your Phone is ROOTED.:cowboy::cowboy:
    If you Have Any Problems please Reply :crying::crying:

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