How To Backup Original Stock ROM Of Lenovo A6000 Plus Without Root?

[Parthisathish]

Hi XDA Developers, Good Evening To All... I'm Sathish, I'm Beginner And I'm New To This Forum... I've Already Asked The Original Stock ROM Of Lenovo A6000 Plus... But You Guys Didn't Provide It Here, Its Disgusting... OK Now I'm Asking You, How To Backup Original Stock ROM Of Lenovo A6000 Plus Without Root? At Least Tell Me What's The Procedure To Backup Original Stock ROM? I Will Backup Stock ROM Of Lenovo A6000 Plus And I'll Provide It Here... I Hope Any Android XDA Developer Give Solution For This...