Upgrade for Android from DU Master: Essential app to detect your smartphone/tablet specifications and upgrade or update it to a new version of Android OS firmware.
It's free of charge to get the .apk setup package of Upgrade for Android DU Master and you can have a look at users' reviews on Droid Informer. This application installer requires 5 MB of free space to run on Android 2.3.3 and above. The app has been checked for viruses and it has been found totally secure. Du Master is the creator of this application that can be found in the Tools category.