TeamUB is proving to be one of the best custom firmwares out there based on Lollipop. Now on the very latest Android 5.1.1, the feature-packed ROM can be flashed on your Samsung Galaxy S4 I9505. Here are the features and few simple steps to update Galaxy S4 I9505 to Android 5.1.1.

- Also, read: Two Ways to Factory Reset Galaxy S6 and Galaxy S6 Edge

TeamUB Android 5.1.1 features:

• OTA updates
• Centre clock
• Battery percent in the status bar
• Network traffic indicator
• Date settings
• Listview animations
• AOKP System animations
• Lockscreen Shortcuts
• Quick settings Customization
• Heads up notifications
• Proximity speaker
• Performance settings
• Network Traffic
• App circle sidebar
• Clock fonts
• Battery styles
• Wakelock blocker
• DSLV controller
• Statusbar ticker
• Apps to SD
• Nav Bar height
• Status bar double tap to sleep
• Custom notification lights
• Recent Panel settings
• Privacy options
• Fluid interface
• Best battery improvements
• All latest cm commits

Prerequisites to update Galaxy S4 i9505 to Android 5.1.1 TeamUB:

• Backup any important data from your Samsung Galaxy S4 I9505 as a complete wipe will be required during the flashing process.
• Enable USB debugging option on your device: Settings > Development Options > USB debugging.
• Samsung Galaxy S4 I9505 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 LTE i9505; kindly do not try this guide on other Android & Samsung devices.

How to update Galaxy S4 i9505 to Android 5.1.1 Lollipop:

Required files: download the TeamUB Android 5.1.1 Lollipop custom firmware for Galaxy S4 from here and save it on your computer. Do not extract the contents. Also download Google Apps Package.

• Connect your 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: switch the phone on while pressing and holding Volume Up + Home + Power buttons simultaneously.
• Perform 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 TeamUB Android 5.1.1 Lollipop custom firmware and confirm the flashing process.
• Return back to main recovery menu and reboot your Galaxy S4 I9505 into the new custom ROM. First boot takes a good 5 minutes so please be patient.

Enjoy the latest Lollipop!