The 4-year-old Galaxy Note 3 will not get official Nougat update from Samsung. However, users can experience Android Nougat on it via custom ROMs like LineageOS. Android 7.1.1 Nougat based Lineage OS 14.1 (unofficial) custom ROM is now available for Exynos variant Galaxy Note 3 SM-N900P. Though still in developing stage, there were no major bugs in this ROM and fully functional. Interested users read on to know how to install the ROM.
Check out the guide below to know how to install Lineage OS 14.1 (unofficial) on Galaxy Note 3 SM-N900P. Thanks to the great developer community, the unofficial LineageOS 14.1 can be installed on Galaxy Note 3 via latest version of TWRP recovery. Users can experience the latest Android 7.1.1 Nougat features with this ROM. In addition, the ROM includes latest Android security patches (March 2017).
If your Galaxy Note 3 SM-N9000 (Exynos variant) is running on Android Lollipop or Marshmallow, you can flash the LineageOS14.1 on it, but requires latest version of TWRP recovery and root access on the device.
Before start, make a backup of any important file you have on the phone. Also note, make sure you have a stock system image to flash back to. Make a system backup from TWRP recovery before proceeding.
Disclaimer: Please follow this guide at your own risk. We can’t take responsibility for anything that goes wrong. This guide is intended for technically talented users only.
2. Reboot your Galaxy Note 3 in to TWRP recovery (switch off the phone, press and hold Volume Up, Home, and Power button few seconds).
3. In TWRP recovery, perform a full wipe (cache, dalvik cache, data/factory reset) by selecting ‘Wipe’ option.
4. Now, flash LineageOS 14.1 zip file and then flash Gapps zip file. To do so, select ‘Install’, navigate to ROM zip file and swipe to confirm flash. Repeat the same for Gapps as well.
5. Before rebooting, once again wipe cache partition and data, and then reboot your phone.
Note: The first boot will takes around 10 – 20 minutes. Once booted up, set up your Note 3 and enjoy Android 7.1.1 Nougat. Any question? Leave it in the comment section below (source – tincho5588)