Update Galaxy S4 SCH-R970 US Cellular To Android 4.4.2 KitKat via AOSB ROM–How To

You can now update Galaxy S4 SCH-R970 (US Cellular) to latest and customized Android 4.4.2 KitKat with the help of custom firmware AOSB.  AOSB is based on latest Android 4.4.2 KitKat and build using CM11 source and was known as ProBAM ROM. The ROM mainly known for its various useful features including MultiWindow, Custom SmoothProgressBar, AOKP Navigation bar menu in settings, ChameleonOS Screen Recording, Omni Audio Themes Settings and many more. You can think this ROM is a compact resource of various useful features that derived from many well known ROMs including CyanogenMod, AOKP, ChameleonOS, Omni and Slim. You can download and install custom firmware AOSB on your Galaxy S4 SCH-R970 (US Cellular). Since, Galaxy S4 SCH-R970 (US Cellular) is capable enough to run Android 4.4.2 KitKat smoothly, AOSB going to be a great experience for you. To learn how to flash this ROM, continue reading this guide to know how to install Android 4.4.2 KitKat based AOSB custom ROM on Galaxy S4 SCH-R970 (US Cellular).

Related Readings:

Some of the cool Android 4.4.2 KitKat features that you will enjoy is Screen Recording, Tap to Pay (Google Wallet for everyone), NFC emulation for non nfc devices, 14% less memory usage, cloud printing from Gallery, Google Home is the new Launcher, Core System Processes Trimmed, apps are efficient and responsive on all devices, the all new 'procstats tool details' memory use, Full-screen Immersive mode, seamless change in resolution during media playback, Phone dialer got local business detection, redesigned Quickoffice and many more.

AOSB Key Features:

The ROM is still going through development and you should expect some bugs in it. All bugs and issues expected to be fixed as development progress towards a better build.

aosb-442-baner

Warning!

This tutorial is only for Galaxy S4 SCH-R970 (US Cellular). Don’t try this guide on any other Android device. Also, we (True Android Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.  

Pre Requisites:

1. Backup your device data. You can follow our ultimate backup guide.

2.  Make sure your device have at least 60% battery power. You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You already have USB Driver Installed for Galaxy S4 SCH-R970 (US Cellular) in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and Galaxy S4 SCH-R970 (US Cellular). [Guide].

5. Your device have latest CWM version 6.0.4.4 and up or TWRP 2.6.3.0 and up installed. [Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 4.4.2 KitKat based AOSB ROM on Galaxy S4 SCH-R970 (US Cellular). In below tutorial we discussed the process assuming your device a non-touch CWM recovery; you can complete the process using touch if available.

File Required(Download by clicking on it)

  1. AOSB For Galaxy S4 SCH-R970 (US Cellular)  [Filename: probam_kk_1.2.2_jflteusc.zip] [always download latest build]
  2. Google Apps [Filename: pa_gapps-stock-4.4.2-20140207-signed.zip] or any other 4.4 KitKat GApps

How to Install Android 4.4.2 KitKat based AOSB ROM on Galaxy S4 SCH-R970 (US Cellular)

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your Galaxy S4 SCH-R970 (US Cellular).
  3. Now, boot into recovery mode. To do so, press and hold Volume Up, Home and Power button together until Samsung logo flash twice and then leave the button. You should see recovery menu soon. In recovery use Volume Keys to navigate between option and Power button to select an option. Alternatively try this: Recovery Mode without Key Combination.
  4. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
  5. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
  6. Select install zip from sdcard, then select choose zip from sdcard (or /sdcard1 for external storage). Now, locate the AOSB Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
  7. Once the ROM installation process end, repeat the step 6 but choose the pa_gapps-stock-4.4.2-20140207-signed.zip file instead of ROM zip to install the Google apps package.
  8. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your Galaxy S4 SCH-R970 (US Cellular) and boot up into Android 4.4.2 KitKat ROM AOSB
  9. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.

Tutorial For TWRP Recovery Users:

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your Galaxy S4 SCH-R970 (US Cellular).
  3. Now, boot into recovery mode. To do so, press and hold Volume Up, Home and Power button together until Samsung logo flash twice and then leave the button. You should see recovery menu soon. Alternatively try this: Recovery Mode without Key Combination.
  4. Create a Backup using TWRP Backup Option.
  5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
  6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the AOSB Zip file. Then tap on Add More Zips, and add pa_gapps-stock-4.4.2-20140207-signed.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
  7. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your Galaxy S4 SCH-R970 (US Cellular) and boot up into Android 4.4.2 KitKat ROM AOSB.
  8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.

Congrats! Android 4.4.2 KitKat firmware based custom ROM AOSB is now installed and running on your Galaxy S4 SCH-R970 (US Cellular). If you stuck on AOSB boot logo more than 5 minutes then go back to recovery and perform Step 5 (wiping task) few more times before rebooting your device.

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