Update AT&T Galaxy Note 2 I317 to Android 5.1 Lollipop with CyanideL ROM

For a device which got so much sales on its release, it becomes compulsory for developers to regularly release Custom ROMs based on latest Android firmware for it. Similar situation with Galaxy Note 2, which was very popular phablet and now although it is old but that hasn’t stopped developers from releasing CyanideL Android 5.1 Lollipop custom ROM for AT&T Galaxy Note 2 I317.

Update AT&T Galaxy Note I317 to Android 5.1 Lollipop

If you happen to be AT&T subscriber with their own Galaxy Note 2 (I317) then I am sure you are reading this only because you want Lollipop on your phone. Don’t worry, we have posted a detailed step by step guide to help you install Android 5.1 Lollipop custom ROM on AT&T Galaxy Note I317.

As you know custom ROM requires rooted AT&T Galaxy Note I317. Let me clear that having a rooted Galaxy Note 2 will void its warranty, so think before you proceed with rooting. Also this ROM is only for AT&T Galaxy Note I317 and practicing it on any other Note 2 variant can be fatal for your phone. [Verify your phone model from Settings –> About Phone]

Safety Guidelines

  • Make sure your AT&T Galaxy Note I317 is at least 64% or charged.
  • Ensure that you have complete backup of all your important data.
  • Make sure USB debugging is enabled on your smartphone. [If not, enable from Setting –> Developer Options]
  • Download Galaxy Note 2 Drivers and install them on your computer.

Files Required

The CyanideL Android 5.1 Lollipop Custom ROM mentioned in this post belong to its respective developer. We are just covering tutorial to help you in its installation which is well-written and very easy to understand. However if you damage or brick your phone, AndroidsDNA.com cannot be held responsible.

How to Update AT&T Galaxy Note I317 to Android 5.1 Lollipop with CyanideL ROM

Step 1: Download the custom ROM and GAPPS. For easy browsing, place both the downloaded zip files on desktop of your Computer.

Step 2: Connect your AT&T Galaxy Note I317 to your computer to transfer the download zip files to your phone SD card. [Make sure latest Samsung drivers are installed, otherwise your PC won’t recognize your phone]

Step 3: Turn Off your phone and boot it to recovery mode. For that, press and hold “Volume Up + Volume Down + Power” buttons simultaneously until you see boot menu. [You can’t use touch in recovery mode, so use Volume Up and Down buttons for navigation and Power button for selection]

Step 4: In recovery mode, first tap on “wipe data factory reset” option to perform a factory reset. Once this is completed, go to advanced options and select “wipe the cache” followed by “dalvik cache” options to clear the cache.

Step 5: Go back to main recovery menu and select “Install zip from sd card” followed by “choose zip from SD card” and select the ROM zip file you have transferred to SD card in Step 1. Once ROM flashing is completed, repeat the same step for GAPPS.

Step 6: Repeat the above step for Google Apps (GAPPS) installation.

Step 7: Once the installation is completed, go back to main recovery menu by selecting “+++++Go Back+++++” option  and reboot your phone by choosing “reboot system now” option from main menu. For the first time, your phone might take little more time than it usually takes, so don’t be panic as it is normal and will be only for 1st time.

Enjoy! You should now have CyanideL Android 5.1 Lollipop based custom ROM installed on your AT&T Galaxy Note I317 smartphone.  If you have any question related to above tutorial, let us know in comments section below.