if you don’t know how to root Huawei G7 after marshmallow upgrade, then you have to follow this guide.

i would like to tell you that root gives you super user rights which allows to make changes in system and settings.

This Guide in only for Huawei G7-L01/L03 Models

• Backup important data
• Unlock bootloader of your phone (How to unlock bootloader?)
• Make sure USB debugging is enable
• Download from This Link and copy SuperSU file on your sd card/internal memory.
• Switch off phone and connect with pc while holding volume down button
• Phone should enter fastboot mode
• Download TWRP from This Link
• Extract downloaded file and inside that folder right click while holding shift button. then click on “open command prompt here”
• CMD window should open now type ” fastboot flash recovery twrp3.0.img ” and hit enter.
• if your typed correct command you will see message OK Finish.
• Now reboot your phone into recovery mode by holding Volume up + power button (leave power button when you see logo but keep holding volume up)
• On 1st screen swipe to allow modifications
• Then tap on install and select superSU2.67  file that you have copied earlier. and swipe to flash.
• Then tap on wipe > advanced and only select cache partition. and swipe to format.
• Then reboot your phone.
• Now download any root checker to verify if your phone is rooted.
• If you want to flash original stock recovery then you can Download it Here. and flash it same way as you flash twrp recovery

 

Source : 4pda.ru