How to Update AT&T Galaxy S4 to Android 4.4 KitKat – Dandroid Custom ROM


Prerequisites to check before you update Galaxy S4 to Android 4.4 Dandroid custom ROM:

  • Backup any important data from your Samsung Galaxy S4 I337 as a complete wipe will be required during the flashing process.
  • Enable USB debugging option on your device: Settings > Development Options > USB debugging.
  • AT&T Galaxy S4 must be rooted, unlocked and installed with a recovery tool like TWRP or CWM.
  • Your device must be charged to at least 60% of power.

Note: this tutorial is focused on Samsung Galaxy S4 SGH-I337; kindly do not try this guide on other Android & Samsung devices.

How to update Galaxy S4 to Android 4.4 Dandroid KitKat custom ROM:

Required files: download the CM 10.2 custom firmware for Galaxy S4 LTE from here and save it on your computer. Do not extract the contents.

  • Connect Galaxy S4 to your computer using a USB cable and copy the zip file to your phone’s SD card.
  • Disconnect the USB cord and power off your Galaxy S4.
  • Boot it into recovery mode and perform a Nandroid backup of your current OS: Backup backup and restore on ClockworkMod recovery.
  • Wipe data task: from CWM recovery menu, select wipe data / factory reset and confirm the process.
  • From recovery menu, select install zip from sdcard followed by choose zip from sdcard. Locate the Dandroid Android 4.4 custom firmware and confirm the flashing process.
  • Return back to main recovery menu and reboot your Galaxy S4 i337 into the new custom ROM. First boot takes a good 5 minutes so please be patient.

Congrats! You have successfully flashed Samsung Galaxy S4 to the latest Android 4.4 KitKat with Dandroid custom firmware.