Samsung Galaxy Express (GT-I8730) Firmware Overview
What is the latest GT-I8730 firmware?
I8730XWANE1, released July 3, 2014 for region AMN with Android 4.1–4.3. The archive holds 2 official builds for this region.
Is the Samsung Galaxy Express still getting updates?
Most likely not: there has been no new firmware since July 2014, so Android 4.1–4.3 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
GT-I8730 firmware for region AMN
How to Flash GT-I8730 Firmware
Put the Samsung Galaxy Express into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.