This ROM is for the International GT-I8730 ONLY! It is NOT for the SGH-I437! Just because Samsung named them both "Express" does not mean they have identical internal hardware!
Note-
Make sure you have the latest TWRP and then step ahead
Latest TWRP HERE
•Extract the recovery.img and flash it with flasify, or any other similar application
Working-
-WiFi
-Bluetooth
-GPS
-Sensors
-Camera (photos)
-RIL(calls and data)
-FM Radio
-Audio playback
-SD card
-Camcorder(set quality to 720p)
Screenshots -
How to install -
1) Make Nandroid Backup via Recovery
2) Go to Recovery mode
3) Do all the wipes
4) Install ROM
5) Install GAPPS
Downloads -
CM12.1 build 20150804
GAPPS
ADS HERE !!!