[Galaxy S 4 Q&A, Help & Troubleshooting] Halcyon:
XDA:DevDB Information

Halcyon Projects For I9500

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Proudly Presenting The Halcyon Project Quantum For I9500

Long Time Searching For a Perfect Rom? Go ahead Halcyon Rom is For you.

Get All the Best by the Best at once​

Page Index :​

#1 Introduction & Install Guide

#2 Desclaimer & EUA

#3 Changelogs

#4 Screenshots

#5 Download Section

#6 Mods & ADD-ON

#7 FAQ

#8 Current Progress

#9 Video Reviews

#10 Some Users Reviews

Quantum Rom Intro Video :​

[YOUTUBE]_7YuLqSROdc[/YOUTUBE]​

Main Features :

Many Patches to Android Core

Init.d Support

Performance tweaks

Battery tweaks

RAM tweaks

Disabled scrolling cache

Faster network tweaks

Fully Deodexed

Dynamic Zipalign with each boot

Latest SuperSU Binary

Latest 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

Ambient Display

VoLTaqe/Halcyon/Stock/LWK kernel option in aroma.

Debloated

OTA Updates

Fixed overall SystemUI Lag

Fixed Lollipop ram leak

Much faster with halcyon Kernel on

Multilanguage and Localizations for countries worldwide

Many Customization Choices , thanks to aroma installer

Rom Highlights :

Many Android M Features Ported/Enabled Like :

Doze Features (Smart handling and Doze Display)

Ram/Battery Optimization

Volume Panel

Power savings

3way To Silent Mode

Smart Locks/Unlocks

Full Sensitive Content/Privacy Control anywhere (Lock screen , statusbar , private mode , etc)

Full Application Permission control (App Ops)

Hearing and health care

.... and many more

Full Xposed Support

Cherry picked all apps From all samsung flagship devices (Note 3 , Note 4 , S6 , S5 , S4 , ...)

Flashlight Tile & all mods were available through XDA

Many of Halcyon Concept Theming Materials (Eye Catching beauty)

Fully Moded Setting

Many other useful apps and mods

Simplicity And Rocking Stability with Most functionality and performance

Pure Smoothness

Debloated from unnessary apps

Stable And Dynamic Structure to accept other future mods and fixes

Full Xposed Free (To avoid Confliction and xposed Dislikers)

Something you will not see in any other ROM or OS Or CM in current Date

Infinite Multi window & Multi intanse Mode experience

Special Edition with even more permium apps/mods for V.I.P Users

Kernel Work arounds

Known as the best rom out For I9500 Build in an Advanced Proffesional Level And team work on the cloud and Developers Side

All Air view and Air Gestures Working fully , All Sensors Are functional

Less Lag and Error

many many more read rom features..

ROM Features :

Selectable S6/Note4 apps in Aroma

Selectable CSC Features in Aroma

Highly Customizable Mods During installation in Aroma

Selectable Themes and layers in Aroma

many other customization In aroma (nearly anything also Kernel selection) , thanks to AL_IRAQI , Alemtro & others

Fully functioning One hand mode (One hand input)

Highly Customizable private content , you can Hide sensitive content from Statusbar or from Lock screen Seperatly (thats aweasome)

Solid Stable Rom (Tested with all conditions and patched)

Fast Charge Mode

Ambient Display

Many unlock effects

Changeable pattern theme

S6 Lock Screen and Weather

All smart lock features Available In security Settings ( Trusted Zone , Trusted Face , On Body Unlock & ... )

Charging Effects

Themed Apps to look like S6

Moded 95% like Note4 and S6

Note 4 key layout

5way reboot and emergency Option (will add screen shot and flashlight later)

Unlimited multi window multi-instane mode , Popups and 4 Split view

%Batt implementation (removed 3Minit)

many power saving Tweaks added

Moded Messaging now shows Screen on Option

many csc features enabled

Tool Box

Download Booster

Private Mode

Save web pages as PDF (Use Print then save as PDF)

My ScreenOFF Module

Many Statusbar Mods

SuperSU V2.49

Note 4 Keyboard and Upgraded Calculator With one hand input Support

Latest Google Framework services and GMS With wearable Support and good Battery usage..

UPSM Mode With UPSM Manager

Advanced Power saving mode with grayscale mode

S6 Smart Manager

Added Car Mode and Hands-Free Mode

Fire-Wall Control

Application Permissions in settings (AppOps)

When Webpage Magnifier enable (Through press and holding AirView Quick setting) Finger hovering will Simulate mouse hover in webpage like windows (its useful for opening up menus) note that only one mod can be done Webpage magnifier or This

Removed Annoying indicators of Power Saving and USB Connection

Moded Power saving

Support For my ApkTool app

Screen cast Moded by me (Available in Halcyon Prime)

New Sfinder v3 and moded by me (Available in Halcyon Prime)

new Samsung Magnifier v2 and moded by me (Available in Halcyon Prime)

Quicklauncher panel Controler and switcher to S-Finder Quick connect (Available in Halcyon Prime)

ToolBox Addon for Add additional items like screencast (Available in Halcyon Prime)

and so many more which i don't remember , just try your self

Prerequired Steps Before Installation :

Beeing aware of what you're Doing and already Readed Known Issues , Terms of Use and FAQ

[*] It's Recommended To have Latest CWM/Philz Recovery and latest Bootloader & HOD4 Modem to avoid issues but it's not Necessary

Installation Guide Step by Step :

Do a backup of your Rom ( or just your app and Data with Super Backup app so you can use it with Haylcion Rom Too)

Reboot to Philz Recovery / TWRP Recovery or ...

Press Install Zip and locate haylcion Rom installer

Wait for Haylcion Rom installer Finishes its Run

installations better be full wipe , its 50%-50% to work for dirty flash So if you select no full wipe dont use to Bug report if you Faced any FC

Take your Customization choices And let installation to be procced and check Reboot option and press Done

optionally enjoy hearing to Halcyon Music when you waiting for boot

Happy Flashing

Enjoy your Quantum rom

XDA:DevDB Information

Halcyon Project Quantum, ROM for the Samsung Galaxy S 4

Contributors

Halcyon, 2

ROM OS Version: 5.0.x Lollipop

ROM Kernel: Linux 3.4.x

ROM Firmware Required: Any Custom Recovery (Philz Recommended)

Based On: Samsung TouchWiz

Version Information

Status: Stable

Current Stable Version: build 17

Stable Release Date: 2015-10-20

Beta Release Date: 2014-06-01

Created 2015-10-20

Last Updated 2016-03-30