Android 5.1.1 official OTA Update has been released by Google for the 2012 edition of the Wi-Fi Nexus 7 tablet. Check the instructions listed in this post in order to learn how to successfully flash this new firmware for your device.
Android 5.1.1 Lollipop update comes with bug fixes and tweaks for you to apply over the Android 5.1 firmware. Note that this is a guide that you should use only if you are an advanced user who doesn't want to wait until Google pushes the official OTA Android 5.1.1 files in their region.
Before starting installation you should check the following guidelines:
- use this post for the 2012 Edition of the Wi-Fi Nexus 7 tablet.
- do not try to flash the files that you will find in this post on any other different Android device.
- for your 2012 Nexus 7 Wi-Fi tablet to be updated with Android 5.1.1 firmware it first needs to be running stock Android 5.1 LMY47D firmware.
- do not flash Android 5.1.1 LMY47V Lollipop over any older Android 5.0.x builds.
- if you're running older Lollipop builds check this other tutorial here.
- use this post only if you are running stock Android on your device.
- you cannot flash the official Android 5.1.1 firmware on any 2012 Nexus 7 Wi-Fi tablet whose operating system has been modified in any way.
- this is a guide for advanced users, we cannot be held responsible in case you brick the device nor in case you lose any data in the process.
- enable USB Debugging from Developer Options menu.
- if your can't find the Developer Options under Settings you should un-hide it first.
- go to About Device, scroll down and tap 7 times on the Build Number section in order to become a developer.
- return to Settings, open Developer Options and then tick the USB Debugging check box.
- check your tablet's battery charge and make sure that it is over 50%, it prevents it from powering down during installation.
- read the whole post and do not skip any steps in case you want to complete the updating process.
How to manually flash Android 5.1.1 LMY47V Update for 2012 Nexus 7 Wi-Fi tablet:
The first thing that you have to do is to configure Android SDK on your PC.
In fact you will need to have a 'platform-tools' folder stored on your computer, and for that to happen you will have to setup Android SDK. Here's how to do that:
- download Android SDK from here.
- extracts its contents and save all files on your PC.
- place the extracted contents in a SDK folder.
- locate SDK Manager exe and open it.
- you need to install and update all SDK drivers and packages.
- after the process is complete you should download and install the Google USB Drivers.
- these drivers will allow your PC to detect the tablet.
Find and open the 'platform-tools' folder before starting installation.
Here's how to flash the Android 5.1.1 LMY47V Lollipop for your tablet:
- Download the Android 5.1.1 LMY47V firmware zip from here.
- After the download is complete you should rename it to update.zip
- do not extract the contents comprised within the update zip file.
- you had to rename the file in order to be able to flash it easier without being forced to enter all of its original characters found in its official title.
- Power off the tablet now.
- Next, boot the 2012 Nexus 7 Wi-Fi in Recovery Mode.
- Select 'apply update from adb' recovery option.
- Place the 'update.zip' file in the 'platform-tools' folder created before starting this tutorial.
- Launch a command prompt window / terminal in the 'platform-tools'.
- for Windows you can press and hold SHIFT key, then right-click on the folder's empty space and select 'open command window here' from the context menu.
- Connect your tablet to your PC via USB cable.
- Enter adb devices in order to verify that the Nexus 7 has been detected by your computer.
- if there is a device listed as attached, then you can continue to the next step.
- if no devices are detected, then you should try to re-install / update the Google USB Drivers.
- Enter the adb sideload update.zip in order to begin the Android 5.1.1 installation process.
- Confirm the update process.
- don't press any buttons until all files are successfully installed on your device.
- Reboot the tablet in normal mode after the flashing process is complete.
If you need more help completing installation you should use the comments field below.