Android Lollipop 5.1.1 (LMY47X) official Update is now available for the Nexus 9 (LTE) users. The update comes with lots of fixes and improvements and the nexus 9 users will get this update via the OTA. If you want to install this update on your Nexus 9 manually, here is the complete guide which you can follow on your Nexus and update the same within a few minutes. This update works on only Nexus 9 (LTE) device and doesn’t try this on any other Nexus device.
Your warranty is void if you follow the given instruction in this guide. We the Howtorootmobile.com team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.
CHECK PHONE MODEL
This guide is only for the Nexus 9 (LTE) android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.
PRE-REQUISITES AND REQUIREMENTS
Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.
1. BACKUP YOUR ANDROID DATA
Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important steps that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.
2. INSTALL NEXUS DRIVERS
You need these drivers to connect your device with the computer to follow this guide. Without these USB drivers you can’t connect your device to the PC, first download and install these drivers on your system.
3. ENABLE USB DEBUGGING MODE
Now you need to enable USB debugging mode. Without enabling USB debugging mode on your device you can’t start the root, Custom ROM or Unlock process.
4. CHARGE YOU ANDROID
If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.
After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.
UPDATE NEXUS 9 LTE WITH ANDROID 5.1.1
If you already unlocked the bootloader of your device, then follow the below mention instructions. If not, then read this guide and unlock the bootloader first.
Step 1. First Download the ADB files on your desktop and extract the folder on your desktop.
Step 2. Download Android 5.1.1 for Nexus 9 LTE here on your PC, if you haven’t already. And extract the folder on your desktop.
Step 3. Now move all files on your ADB folder that you downloaded on Step 1.
Step 4. Connect you phone to the PC with the help of USB cable.
Step 5. Now Turn OFF your phone. Get into the Fastboot/Bootloader Mode on your phone. Turn ON the phone while pressing and holding the Volume Up + Volume Down + Power buttons till you see the Fastboot menu and START on top.
Step 6. Now open the ADB/Fastboot folder on your desktop and do the following depending which OS you are on:
On Windows: Run the file “flash-all.bat”.
On Mac: Run the file “flash-all.sh” using Terminal.
On Linux: Run the file “flash-all.sh”.
Step 7. Now wait and watch as the process is completed — or follow the on-screen instructions on your phone.
After the installation completes, the phone will boot now and this will take some time. Now your Nexus 9 is running on the latest Android 5.5.1 Update