Install Galaxy S4 I9500 with Android 5.1.1 Lollipop via Halcyon ROM. The ROM is highly customizable, fast and stable.
This is a Custom ROM and not an official ROM update from Samsung.
Android 5.1.1 Halcyon Lollipop ROM features:
Many Patches to Android Core
Disabled scrolling cache
Faster network tweaks
Dynamic Zipalign with each boot
Latest SuperSU Binary
Latest Stericson Busybox
Titanioum SQLite Binary
Knox completely removed
Based on My Special 5.0.2 and OD4 Firmware with an innovative Structure
5-way reboot menu
VoLTaqe/Halcyon/Stock kernel option in aroma.
Fixed overall SystemUI Lag
Fixed Lollipop ram leak
Multilanguage and Localizations for countries worldwide
Many Customization Choices , thanks to aroma installer
We cannot be held liable of any damage done to your device while following the below mentioned procedure. Do at your own risk.
Install Android 5.1.1 Halcyon ROM on Galaxy S4 I9500
Take a complete backup of data,apps and settings as the procedure may wipe your data.
Make sure that the battery of device has a minimum charge of 60%.
Enable “USB debugging” on your device by going to Settings >> Developer options >> Enable USB debugging.
ClockworkMod Recovery on your Galaxy S4 I9500 should be installed. Guide to install TWRP Recovery on Galaxy S4 I9500.
Copy both the zip files to SD-Card of your device without extracting.
Switch off device and boot into recovery. Hold power button and volume down button and enter recovery.
Select “wipe data/factory reset”, wipe cache partition” and in Advanced select “Wipe Dalvik Cache”.
Select “install zip from sdcard” and then select “choose zip from sdcard”. Navigate to “Halcyon ROM ” file which you have downloaded and confirm to “install”. Wait till it gets installed.
Repeat the procedure to install Google apps by selecting “choose zip from sdcard” and then select “Gapps.zip” and install.