Rooting any mtk with magisk manager

Requirements

• Android 5.0+ (Lollipop)
• Stock boot.img of your device or  backup from your device using a box/ dongle like Miracle, NCK, CM2.
• Download Latest - Magisk Manager
• Active internet connection on your Android device

Hopping the above is all fine let's now move to work

Part A: Patching the stock boot.img

• Install MagiskManager apk on any android device
• Copy the stock boot.img of the device you want to root toto your phone internal storage or SD card
• Launch Magisk Manager app
• If prompted to install Magisk, select NO THANKS
• Select Install > Install > Patch Boot Image File >
• Navigate to the location of the stock boot.img you copied earlier on, then Select it
• Magisk Manager should begin downloading the magisk zip file used for patching
• Once download is complete, MagiskManager will automatically patch the boot file and store it under SDcard/MagiskManager/patched_boot.img 

Part B: installing the patched _boot.img

• Now copy the new patched_boot.img to your pc
• You now use Sp_flash tool with the original scattter file of your device to flash the boot image 
• Open Sp tool , load Scatter File
• Untick all options except "boot"
• Select the new patched (by double clicking on boot and navigate to where you saved it 
• And hit the download button