It looks like a new Android Lollipop ROM has been leaked for the Samsung Galaxy S4 smartphone, the ROM comes in the form of Android 5.0.1 Lollipop.
According to the guys over at the XDA Developers, this new leaked Android 5.0.1 ROM is an official ROM for the Galaxy S4 ROM Samsung.
The leaked ROM is apparently compatible with the Samsung Galaxy S4 with the model numbers GT-I9500, GT-19502, GT-I9508 and GT-I9508v.
The software appears to be intended for China, so you will be able to use it and change the language to English, but some system messages on your handset will still be in Chinese.
You can find out more details about this new leaked Android Lollipop ROM for the Samsung Galaxy S4 at the links below.