Install Android 7.1 Nougat on Galaxy Tab 3 via LineageOS 14.1 [T310/T311/T315]

Samsung Galaxy Tab 3 succeeded the Galaxy Tab 2 in the year 2013. Galaxy Tab 3 came in multiple variants. The 8.0 Galaxy Tab 3 came out in 3 different variants out of which 2 had the GSM support and one was the WiFi only variant. Galaxy Tab 3 T310 is the WiFi only device while the Tab 3 T311 and T315 have the GSM connectivity as well. Galaxy Tab 3 was powered up with Samsung’s in-house Exynos 4212 Dual Core CPU accompanied by Mali-400MP4 GPU and a RAM of 1.5 GB. Internal storage options were 16 and 32 GB with expandable memory slot. Galaxy Tab 3 helped Samsung to maintain its fair share in the tablet industry.

As far as the software aspects of Galaxy Tab 3 8.0 are concerned, it ran on Android 4.2.2 Jelly Bean out of the box. This device was never updated by Samsung to a higher version of Android. Users willing to update their Tab 3 to Android KitKat, Lollipop or Marshmallow had to opt for a good working custom ROM. Google has already released Android 7.1.1 Nougat and there are many Galaxy Tab 3 users who wish to get this Android firmware on their devices.

While it is not officially possible to install Android Nougat on your Galaxy Tab 3, custom ROMs are the only choice you have. The latest Lineage OS 14.1 in the shape of Android 7.1.1 Nougat is available for our beloved Tab 3. The ROM is stable, it can be kept for your daily usage. The development for this particular ROM for the Tab 3 is still active, which means we will continue to see the improvements for a while.

We will cut-off the discussion for now and have a look on the steps to install Android 7.1 Nougat on Galaxy Tab 3 via LineageOS 14.1 now.

Install Android 7.1 Nougat on Galaxy Tab 3 via LineageOS 14.1

Precautions

  1. This ROM is intended for Galaxy Tab 3 8.0 T310, T311 and 315. Do not try flashing this ROM on any other device otherwise you will result in bricking it. Check your device’s model number under settings > about device.
  2. Charge your phone up to 50% to avoid any power issues during the flashing process.
  3. Flash TWRP 3.1.x custom recovery on your Galaxy Tab 3 8.0 T310, T311.
  4. Backup everything including your important contacts, call logs and text messages.
  5. Don’t forget to create a Nandroid backup. This is highly recommended so that you can revert back to your previous system in case of a mishap.
  6. Backup EFS partition to avoid EFS corruption later on.
  7. Follow the instructions to the letter.

Disclaimer: Flashing custom ROMs voids the warranty of a device and its not recommended officially. While you’re going to do this, make sure that you’re doing this at your own risk. In case of a mishap TechBeasts, Samsung or the device manufacturers may not be held responsible.

How To Update Galaxy Tab 3 8.0 to Android Nougat now

  1. Download latest LineageOS 14.1.zip file according to your device
    1. SM-T310: lineage-14.1-20170325-UNOFFICIAL-lt01wifi.zip
    2. SM-T311: lineage-14.1-20170325-UNOFFICIAL-lt013g.zip
    3. SM-T315: lineage-14.1-20170325-UNOFFICIAL-lt01lte.zip
  2. Download Gapps.zip [arm, 7.1.zip] file for Android 7.1 Nougat.
  3. Connect your phone to your PC now.
  4. Copy all .zip files to the storage of your phone.
  5. Now disconnect your phone and turn it off complete.
  6. Boot into TWRP recovery now, in order to do so, turn it on by pressing and holding Volume Up + Home Button + Power Key. You should see the recovery mode in a while.
  7. Using TWRP recovery, factory reset your Galaxy Tab 3 8.0.
  8. Now in TWRP  recovery, tap Wipe > select data, cache and dalvik cache > wipe > swipe finger to confirm.
  9. After wiping all these three, select “Install” option.
  10. Now select “Install > locate the LineageOS 14.1.zip file > Select lineageOS-14.1.0…….zip file > swipe finger to flash”.
  11. This will flash the ROM in your phone, once done get back to the main menu in recovery.
  12. Now once again select “Install > locate Gapps.zip file in the SD card > Select Gapps.zip file > swipe finger to flash”
  13. This will flash the Gapps in your phone.
  14. Reboot your device.
  15. You should see the Android 7.1 Nougat LineageOS 14.1 running on your device in a while.
  16. That’s all!

First boot may take up to 10 minutes, you may not worry if it’s taking that much long. In case it’s taking too long, you may boot into TWRP recovery and wipe cache and dalvik cache and reboot your device as it may fix the issue. In case your device is having issues, you may return to your old system using the Nandroid backup or follow our guide here to install stock firmware.

Got any queries? Reach us out through the comment box below.

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+Usama M: Ex Farmviller | Android Fanatic | Software Engineer,Founder - TechBeasts.com
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