How To Update AT&T Galaxy S2 I777 To Android Jelly Bean 4.2.1 | SlimBean Beta 1 Rom

Update AT&T Galaxy S2 I777

How To Update AT&T Galaxy S2 I777 To Android Jelly Bean 4.2.1 | SlimBean Beta 1 Rom

As the name goes SlimBean is quite lighter then the CM 10.1 Rom and provides you with a lot of customizations. And we are here to provide you with a very easy-to-follow tutorial to Update your AT&T Galaxy S2 i777 to the latest Android Jelly bean 4.2.1. Though this Rom is still in beta stage, it has a lot of features working. So enjoy the latest Android Experience on your Galaxy S2.

Before You Proceed–>>

  • This tutorial is intended for AT&T Galaxy S2 with model number i777. Don’t try to attempt this tutorial on any other device as this may brick your device. We will not be held responsible for the same.
  • Since you need to connect your device to the computer make sure you have installed the USB drivers for Galaxy S2 i777 or else you can Download AT&T Galaxy S2 i777 drivers.
  • You need to have a Recovery image installed on your device. For example, Clockworkmod recovery or TWRP Recovery.
  • Backup all your personal information on your device.
    Use AppBak to backup all your apps.
    Use SMS Backup and Restore to backup messages.
    You can backup your contacts using Gmail .
  • Enable USB Debugging mode. Go to Options > Applications > Development > USB Debugging.
  • Ensure your device battery is charged up to 80-85%.

How To Update AT&T Galaxy S2 I777 To Android Jelly Bean 4.2.1 | SlimBean Beta 1 Rom

  1. First you need to download the SlimBean Beta 1 Rom and Google Apps Package . Do not extract them.
  2. Now connect your device to computer via USB cable.
  3. Now copy both the downloaded files to your device’s internal SD card. (It is recommended that you copy these files in the root folder of your SD card)
  4. Now disconnect your device from PC.
  5. Now you need to enter into recovery mode. To enter into recovery mode, you need to press and hold together Volume UP+HOME buttons untill the screen turns on.
  6. Now select ‘ Wipe data/Factory reset and confirm on the next screen by pressing power button.
  7. Now select ‘ Wipe cache ‘ and confirm by pressing power button.
  8. Now select ‘ Advanced –> Wipe Dalvik cache and confirm by pressing power button .
  9. Then select ‘ Flash ZIP From SD Card ‘ and then select Choose ZIP From SD Card and browse to the CyanogenMod 10.1 Rom zip file that you copied to your device’s SD card in step 3. Select the file and confirm by pressing power button. The installation will start.
  10. Once the installation is finished, install the google apps package by following step 9.
  11. When you finish installing google apps package, select Go back and select Reboot system now.
  12. Now your device will boot with the whole new Look and feel of Jelly Bean 4.2.1 .

Congratulations! You have managed to update your AT&T Galaxy S2 i777 to the latest Android Jelly Bean 4.2.1 !

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About Acquin Dmello

Acquin is a Computer Engineering student, web developer, SEO learner and a dedicated Blogger. He specializes in Programming Web Applications and loves tweaking with Smartphones. Follow him on Twitter.

  • http://www.facebook.com/mohsin.hanif.980 Mohsin Hanif

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