I8558ZMUANG1 Android 4.2.2 Jelly Bean Firmware for Galaxy Win GT-I8558- How to Install

I8558ZMUANG1 Android 4.2.2 Jelly Bean Firmware Last Updated on 15-July-2014. Samsung Galaxy Win GT-I8558 (China Variant) can now be updated with the latest ZMUANG1 Android 4.2.2 Jelly Bean official firmware. The latest firmware build version number is I8558ZMUANG1. The China version of Galaxy Win is a mid range Galaxy Smartphone by Samsung, released back in the year 2013 with Android 4.2.2