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Install Rooted Lollipop on AT&T Galaxy S5 SM-G900A

Discussion in 'Samsung - FAQ, Guide, How To, Tutorials' started by Roma, Apr 11, 2015.

  1. Roma

    Roma ✮ Active Member ✮
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    When it comes to pushing new software updates fast, Samsung doesn’t have a good track record. And if you own a Samsung devices from a US network provider, you must be mentally prepared to wait for months before major OS updates are rolled out for your device. For the past few weeks AT&T variants of eligible Samsung Galaxy devices have been receiving the long awaited Lollipop update.


    Some older devices like the AT&T Galaxy Note 3 and S4 have already received the Android Lollipop update and now the users of the AT&T Galaxy S5 has started getting the Android 5.0 OTA with build version G900AUCU3BOC4. Since it’s a major OS upgrade, the size of the OTA is as heavy as 1.4GB.

    458ff9b926745f3313dfb8f7650142e7.jpg

    Many users have already downloaded and installed the Lollipop OTA but if you have not received the update notification from AT&T yet, you should try triggering the update manually by going to Settings> System> About device> Software update. If you still out of luck, or if you are out of the United States and want to update your AT&T Galaxy S5 SM-G900A, we’ve come up a manual method for you.

    As you know, Android 5.0 Lollipop update is probably the best thing that has happened to the OS so far. The update brings a bunch of new features and improvements. Below is a short list of a few new things you’ll be able to enjoy after getting the update.

    • All new Material design in the user interface.
    • Smoother and more fluid performance and animations.
    • Get notification cards on your lockscreen.
    • Songs, photos, apps, etc. from one Android device can be immediately enjoyed across all of your Android devices.
    • Priority notifications mode.
    • Better battery performance and more battery saving features.
    • Most frequently used Settings available with just two swipes down in the notification panel.
    Install Lollipop OTA on AT&T Galaxy S5
    1. Make sure your AT&T Galaxy S5 is 100% stock Android 4.4.4 KitKat firmware.
    2. Now download the Lollipop OTA package: OTA_S5_5.0.zip | Mirror
    3. Copy the OTA zip file to the external SD card of your phone.
    4. Enable USB Debugging on your phone as precaution.
    5. Now turn off your device and reboot into the stock recovery. To do so, hold the Volume Up+Home+Power keys together while the device is switched off. As soon as you see the Samsung logo, release the Power key and keep the other two keys pressed until you see the recovery menu.
    6. Using the volume keys, scroll to “apply update from external storage” option and select it by pressing the Power key. 3124d9c028fe469fe08127cb167476f6.jpg
    7. Navigate to the OTA update Zip package and select it.
    8. Confirm installation when prompted.
    9. When the file is flashed, go back to the main menu and select “reboot system now” option.
    Done! Now you need to wait patiently for about 5-10 minutes before your Galaxy S5 boots up and becomes usable.

    Install Rooted Lollipop on AT&T Galaxy S5
    If you want to enjoy root privilege on your AT&T Galaxy S5 running Android 5.0 Lollipop firmware, the following instructions would help you do that.

    Preparations
    • You must have a rooted AT&T Galaxy S5.
    • Make sure you have installed Safestrap recovery on your device: Safestrap-I337-3.75-KitKat-A03.apk
    • Enable USB Debugging on your Galaxy S5.
    • Download Odin v3.09.
    • Download the rooted Lollipop backup file: G900A_OC4_Stock_Rooted_Backup.rar
    • Download Lollipop stock partitions: G900A_OC4_Stock_Partitions_wOA1_BL.tar.md5
    Instructions
    1. Extract G900A_OC4_Stock_Rooted_Backup.rar file.
    2. Copy the extracted folder to ext-sdcard/TWRP/BACKUPS/xxxxxx folder (the folder name varies from device to device). In case the BACKUPS folder does not exist on the location described above, launch Safestrap and create a backup using Backup option. Doing so will create that folder.
    3. Open Safestrap recovery, select Wipe> Advanced Wipe and wipe everything except the ext-sdcard.
    4. Now go back to the main menu in Safestrap recovery, tap the Restore option and restore G900A_OC4_Stock_Rooted_Backup.
    5. When the OC4 stock rooted backup is restored, select Reboot> Download mode option.
    6. Connect your S5 to PC using the original USB cable and launch Odin.
    7. Make sure you see “Added!!” text in the message box on Odin. It indicates that your device has been detected by Odin.
    8. Now click the AP button on Odin and select G900A_OC4_Stock_Partitions_wOA1_BL.tar.md5.
    9. Finally, click the Start button to initiate installation.
    10. When the stock Lollipop partitions file is flashed, your S5 will reboot automatically.
    Just wait until your phone boots up. It might take a while so wait patiently. You can now enjoy rooted Lollipop on your AT&T Galaxy S5. Cheers!
     
  2. DjRio

    DjRio ✮ New Member ✮
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    Is this G900A_OC4_Stock_Rooted_Backup.rar the same as G900A_OC4_Stock_Rooted_Firmware.rar?
    Instead of safestrap, can I use FireFlash?
     
  3. Roma

    Roma ✮ Active Member ✮
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    Read this;
     
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