Upgrade Firmware

Update your wiko rainbow,Micromax A120 to latest version of android lollipop using using cyanogenmod cm 12.1 rom.This rom is compiled by a senior member of xda "moonrotation" we sincerely thank him for bringing this amazing custom rom for wiko rainbow micromax a120.
You will not receive lollipop firmware from micromax for A120 bu if you are brave enough you can taste latest version of android by flashing this cm 12.1 rom on your micromax canvas A120.

Install cm12.1 custom rom on Wiko rainbow,micromax canvas A120:

About Cyanogenmod rom:

Cyanogenmod is one of the best custom roms available in android development ecosystem.They support lot of devices.This rom is based on android open source project with lot of added features.This is an unofficial rom for micromax a120 and is still in alpha stage so you might experience some bugs for sure.
Features:

• Theme engine: Theme engine is from the cyanogenmod custom rom which basically changes the look user interface from lock screen  to ring tones all the way up to boot animations.The speciality of the theme engine is the ability to choose individual elements of every theme you have installed.So you like the ring tons and wallpapers of one theme and icons of other theme then you can have them at a time.Just open the theme chooser and you will understand how to do it.
• Performance control:A default cpu manager app to control frequencies and governors.You can adjust cpu frequencies and also set them on boot too.
• Trebuchet: This is the default launcher that ships with cyanogenmod rom.But if you flash gapps then you might loose this.It doesn't have too many features like nova or other launchers but its simple and fast.
• Software Updates: Cyanogenmod rom is usually available in three types one is nightlies which gets updated with new features every night and are quite stable for daily usage.second one is the snapchat which is monthly build version which will be stable version and other one is the release candidate.Some times nightlies are considered must stable than the snapshots. 
• Status bar Tweaks:Status bar has lot of tweaks which include a brightness slider.Slide in status bar to adjust brightness of the screen.Double tap on status bar to sleep device and also network speed indicator for on going traffic info.