Android 5.1.1 factory image is now live for the 2013 Nexus 7 Wi-Fi tablets, so you should check the instructions listed in this post in order to get it installed on your tablet.
Besides the Android 5.1.1 updating process, this factory image can also be used as a 'hard reset' / 'factory reset' tool, too. As you can see you can use the factory image installation for multiple purposes, so you should make sure that you know what you're doing. Check the guidelines below before starting the installation process of this new official Factory Image:
- use the tutorial only for the 2013 Wi-Fi Nexus 7 tablet.
- don't try to use this post for any other Android devices.
- the factory image installation is going to wipe clean the entire tablet.
- if you are running stock Android on your device, then you can avoid the whole 'factory reset' process.
- check the info listed below the 'guidelines'.
- if you tablet is rooted, then the installation process will revoke root access completely.
- backup all your important files before starting the Android 5.1.1 installation.
- enable USB Debugging from Developer Options.
- this is a guide that has to be used by advanced Android user, we cannot be held responsible in case you brick your device nor in case you lose any data in the process.
- check the battery charge level of your device and make sure that it is over 50%, it prevents the device from powering down during installation and it allows Android 5.1.1 to boot successfully at its first attempt.
Now that you know all that you can read the guide on how to avoid the 'factory reset' process. If you are running a custom ROM on your tablet, then there is no way for you to avoid the removal of all data from your device.
The 'factory reset' can be successfully avoided using the following info:
- after you download the factory image Android 5.1.1 file you will have to extract its archived files.
- find the 'flash-all.bat' file and open a file editing tool.
- after the script is opened you should look for the "-w" characters.
- delete the "-w" term, a those two characters are the ones triggering the factory reset.
- save the applied changes and continue to the next part of this post.
Continue to the tutorial info in order to learn how to flash a brand new factory image for your tablet.
How to flash Android 5.1.1 LMY47V Factory Image for 2013 Nexus 7 Wi-Fi:
Setup Android SDK:
- download Android SDK and extract it on the C partition.
- find and open SDK Manager.
- install all drivers and SDK packages the SDK Manager tells you it needs.
- after that you should locate the 'platform-tools' folder, that's where you will store the Android 5.1.1 script installer.
- now you should download and install the Google USB Drivers on your PC.
After you've configured the SDK you can start the factory image installation.
- Download the Android 5.1.1 LMY47V factory image zip from here.
- Extract the contents of the factory image archive.
- save the files on your PC.
- save / move the files to 'platform-tools' folder.
- Now you will need to switch off the 2013 Nexus 7 tablet.
- Boot the Nexus 7 in Fastboot / Bootloader Mode.
- Got to the 'platform-tools' folder where you've placed the Android 5.1.1 factory image script installer: flash-all.bat file.
- Open a command prompt in the 'platform-tools' folder:
- press and hold SHIFT key, then right-click on the folder's empty space and select 'open command window here'.
- Connect your tablet to your PC via USB cable.
- In Command Prompt you should enter the 'adb devices' command line in order to verify that the tablet has been detected by your computer.
- if there is a device listed you can continue to the next step.
- if no Android devices are listed as attached, then you will have to re-install the Google USB drivers.
- To start Android 5.1.1 factory image installation you should double click the 'flash-all.bat' script.
- confirm the installation process and wait until all files are flashed with success.
- do not press any buttons until the process is complete.
- When the installation is complete you will see a confirmation screen shown in the command prompt.
- Reboot your tablet in normal mode after the process is complete.
Note that the first boot process of this new firmware is going to take a while before it completes.
Use the comments field if you need any extra help.