Install CM12 (Stable) Android 5.0 Lollipop on Galaxy Tab S 8.4 (WiFi)

The lucky Galaxy Tab 2 8.3 users can now update their tablets to latest version of Android Lollipop, thanks to CyanogenMod team for CM12 custom ROM that has been made available for the mentioned tablet.

Install CM12 (Stable) Android 5 Lollipop on Galaxy Tab S 8.4

Our step by step guide will help you update Galaxy Tab S 8.4 to Android 5.0 Lollipop using CM12 Custom ROM. In this tutorial, you will find all the details required to install the said ROM along with some other safety tips like data backup etc. Also in order to flash the custom ROM on your Galaxy Tab S 8.4, you need to root your tablet and also unlock its bootloader.

This guide is applicable to Galaxy Tab S 8.4 only and practicing it on any other tablet variant can be fatal for your phone. [Verify your tablet model from Settings –> About Phone.

Safety Guidelines

  • Make sure your Galaxy Tab S 8.4 is at least 64% or charged.
  • For safety reasons, you should have have complete backup of all your important data.
  • Make sure USB debugging is enabled on your tablet. [If not, enable from Setting –> Developer Options]
  • Make sure Galaxy Tab S 8.4 drivers are installed on your Computer.

Files Required

The CM12Android 5.0 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 Install CM12 (Stable) Android 5 Lollipop on Galaxy Tab S 8.4 (WiFi)

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 Galaxy Tab S 8.4 to your computer to transfer the download zip files to your tablet SD card. [Make sure latest Samsung drivers are installed, otherwise your PC won’t recognize your phone]

Step 3: Turn Off your tablet 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.

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.

That’s it. Now your Galaxy Tab S 8.4 should be updated to Android 5.0 Lollipop, thanks to CyanogenMod custom ROM.