Samsung i337 5.0.1 sd update Flash File / Firmware Official 4.4 update by odin Rootable firmware Lollipop custom update by sd Albe95_S6_PORT_V4-6ATT-klabit87_SS+FF.zip Direct link to get this file click on Download To Remember: This tutorial is only for installing Android 5.1.1 Albe95 ROM on AT&T Galaxy S4 SGH-I337. Please do not try on any other Galaxy S4 variants. Your phone should be rooted and have ClockworkMod recovery installed from before. This tutorial will wipe out all your data. Proceed at your own risk. Perform a Dalvik Cache wipe before proceeding from the recovery mode. Samsung KIES will NOT detect your phone after installing this ROM because it is a custom firmware. Make sure you backup all your data in your phone before proceeding. Complete Step-By-Step Instructions: Step 1 – Download Android 5.1.1 Albe95 ROM for Galaxy S4 to your computer. Step 2 – Connect and mount your Galaxy S4 USB memory on your computer using the USB cable. Step 3 – Now copy/paste the downloaded Android 5.1.1 ROM zip file to your SD card. Make sure the file is in the SD card root (not in any folder). Step 4 – Then turn OFF your phone and disconnect from the USB cable. Step 5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding Volume Up + Home + Power buttons together Then go back to the main recovery screen and select “install zip from SD card”. Now select “choose zip from sdcard”. Using your volume keys, navigate to the Android 5.1.1 ROM zip file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.