Update Galaxy S3 to Android 4.4.2 KitKat:
You can now update your Samsung Galaxy S3 to Android 4.4.2 KitKat based C-RoM custom firmware. This ROM is smooth, fast, and stable and is build on AOSP sources. Keeping the stock look, C-RoM enables you to customize your Samsung Galaxy S3 on Android 4.4.2 KitKat.
Before you read on to update Galaxy S3 to Android 4.4.2, here are some of the features and details of this ROM.
- Recommended: Bugs Reported in Samsung Galaxy S4 Android 4.4.2 KitKat and their Fixes
C-RoM Android 4.4.2 KitKat features:
C-RoM custom firmware comes with a plenty of new features based on Android 4.4.2 KitKat. The few primary features are mentioned below:
- Moved Halo Icon back to on Statusbar (Not sure if it works good on HDPI devices)
- Launch the msim settings when the new card dialog appears
- Disable keyguard widget frame
- Don’t hide baseband on dual sim devices
- Port BatteryBar
- Frameworks: Fix linked volume does not persist after reboot.
- Change notification background from holo to kitkat grey
- Fix possible ANR and navigation bar freeze
- Frameworks: do not kill favorite recent apps
- Frameworks: fix possible NPE + and missing expandable panel correction
- Fixed Recent Clear Butons colors
- Don’t register methods when there’s nothing to register.
- Get rid of noise during boot.
- InCallUI: Fix potential NPE
- Launcher3: Icon pack support
- OmniSwitch: added icon pack support
Prerequisites to update Galaxy S3 to Android 4.4.2:
- Backup any important data from your Samsung Galaxy S3 SGH-T999 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 S3 T999 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 T-Mobile Samsung Galaxy S3 SGH-T999; kindly do not try this guide on other Android & Samsung devices.
How to update Galaxy S3 to Android 4.4.2 C-ROM:
Required files: download the C-RoM Android 4.4.2 KitKat custom firmware for Galaxy S4 from here and save it on your computer. Do not extract the contents.
- Connect Galaxy S3 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 S3.
- Boot it into recovery mode by pressing and holding Volume Up + Home + Power buttons together.
- 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. Then go on to wipe cache partition and wipe dalvik cache.
- From recovery menu, select install zip from sdcard followed by choose zip from sdcard. Locate the C-RoM Android 4.4.2 custom firmware and confirm the flashing process.
- Return back to main recovery menu and reboot your T-Mobile Samsung Galaxy S3 into the new custom ROM. First boot takes a good 5 minutes so please be patient.
How to restore: If you want to return to previous OS on your SGS3, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.
- Recommended: Fix “Root Access Possibly Lost” and “Root access missing” Error Messages on Android – How to
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