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Samsung Captivate SGH-I897 AT&T Android 4.2 Jelly Bean AOSP Preview – How to Install Custom ROM

HOW TO: Install Android 4.2 on AT&T Captivate I897

We have put together a detailed step-by-step instructions guide on how to install Android 4.2 Jelly Bean Preview on AT&T Samsung Captivate I897. If you are used to installing custom ROMs on your AT&T Samsung Captivate, then this should not be any different for you.

However, for beginners, you need to root your AT&T Samsung Captivate I897 and install a custom recovery. Please Google that up if you are unsure and read the entire tutorial below once before actually performing it.

To Remember:

  • This tutorial is only for installing Android 4.2 Jelly Bean Preview on AT&T Captivate I897. Please do not try on any other Captivate variants.
  • Your phone SHOULD be rooted.
  • This tutorial will wipe out all your data. Proceed at your own risk.
  • Perform a Dalvik Cache wipe before proceeding from the recovery mode.
  • Samsung KIES will NOT detect your phone after installing Android 4.2 Jelly Bean Preview because it is a custom ROM.
  • ClockworkMod recovery should be installed from before.
  • Make sure you backup all your data in your phone before proceeding.

Complete Step-By-Step Instructions:

Step 1 – Download Android 4.2 Preview ROM and Google Apps for AT&T Samsung Captivate to your computer.

Step 2 – Connect and mount your AT&T Samsung Captivate USB memory on your computer using the USB cable.

Step 3 – Now copy/paste the downloaded Android 4.2 ROM zip and Google Apps zip files to your SD card. Make sure the files are in the SD card root (not in any folder).

Step 4 – Then turn OFF your phone and disconnect from the USB cable.

Step 5 – Now to get in the Recovery Mode. Switch ON the phone while pressing and holding the Volume Up + Volume Down + Power buttons. Continue to hold all three buttons until the screen flashes, then release all buttons.

Step 6 – In ClockworkMod recovery, perform a full data wipe first. Then scroll down to “flash zip from SD card” and press the Power button to select it.

Step 7 – Press the Power button again and select “choose zip from sdcard”.

Step 8 –Now using your volume keys, navigate to the Android 4.2 ROM zip file that you copied to your SD card and select it using the Power button. Confirm the installation on the next screen and the installation procedure should start now.

NOTE: Repeat this same step for the Google Apps zip file as well.

Step 9 – After the installation completes, go to “+++++Go Back” and reboot the phone by selecting “reboot system now” from the recovery menu. The phone will boot now and it might take about 5 minutes to boot on your first time. So, please wait.

That’s it! Your AT&T Samsung Captivate I897 should now have Android 4.2 Jelly Bean Preview installed on your phone! Go to Settings > About phone to verify.

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If you run into any problems, feel free to drop us a comment below and we will reply you back ASAP with the fix or the solution to your problem.

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Haris Nadeem
Haris lives on everything Android; has countless devices, apps and games to play with everyday. Currently serving as the Chief Editor at Team Android.
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  1. I followed the steps, but now my phone is stuck at the booting screen with all the colored shapes spinning around. It has sat there for over 20 minutes. I have tried pulling the battery, but same thing when I turn it back on.
    What should I do??

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