Nexus 7 (2013) users can now enjoy the latest build (LRX21P) of Android 5.0 Lollipop update, with due release of its official factory image on Google's website.
Besides, Google has officially announced the release of OTA updates for its Nexus line-up including Nexus 5, Nexus 7 2013 (Wi-Fi) and Nexus 7 2012 (Wi-Fi) models.
Those who cannot wait for the arrival of OTA update on their Nexus 7 can go ahead and install the same via stock factory image from Google, using the step-by-step guide given below.
Note #1: As this is a stock factory image, you will need to unlock the bootloader on your Nexus device before continuing with the installation process.
Note #2: As this is a full firmware, it does not require you to install any specific base firmware before the upgrade.
IBTimes UK reminds readers that it will not be held liable for any damage to device during or after Lollipop firmware installation. Users are advised to proceed at their own risk.
- The instructions given in this guide are meant for the Nexus 7 2013 (Wi-Fi) model only. Verify device model number by navigating to Settings > About Tablet as installing this firmware on incorrect variants might brick the device.
- Ensure the Tablet has at at least 80% battery charge to prevent unexpected device shutdown (due to battery drain) while installing the ROM.
- Back up data and settings using a recommended custom recovery tool, like ClockworkMod(CWM) or TWRP, as it creates a complete image of the existing Tablet setup. In Recovery, choose Backup and Restore and tap Backup.
- Verify correct USB drivers for the Tablet are installed on the computer (download Nexus 7 USB drivers).
- Enable USB Debugging mode via Settings > Developer Options Note: If developer options is not visible then you need to enable it as follows:
a) Go to Settings > About Tablet.
b) Scroll down to the bottom and select Build Number.
c) Then tap build number seven times to unlock the Developer Options under Settings and then enable USB Debugging mode.
- Ensure that the device is rooted with CWM or TWRP recovery installed and its bootloader is unlocked.
Steps to Update Nexus 7 2013 (Wi-Fi) to Android 5.0 Lollipop Build LRX21P via Factory Image
Step 1 - Download Android 5.0 Factory Image for Nexus 7 (2013) on your computer.
Step 2 – Connect the Nexus 7 to your computer via USB cable.
Step 3 - Ensure Fastboot is configured and properly installed on your computer. (click to see guide).
Step 4 – Power off your Tablet and boot it into Fastboot/Bootloader mode.
Step 5 – To boot into Fastboot mode: turn on the Tablet while pressing and holding the Volume Up and Power buttons until the Fastboot menu and START icon appear on the screen.
Step 6 - Then extract the downloaded file to a desired location on your computer (preferably desktop). Go to the folder razor-LRX21P and then copy/paste all the files to the Fastboot directory.
Step 7 - Using factory image files in your Fastboot directory, run the following commands depending on the OS installed on computer:
- 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 8 –That is all you need to do for flashing the stock factory image on your Nexus 7 2013. Wait for the installation process to complete or follow the on-screen instructions on your Tablet if in case you are prompted to unlock the bootloader.
Step 9 - Once the installation completes, your Tablet will reboot and it may take about 5 minutes for first boot to complete. So, please do not interrupt the process.
Your Nexus 7 2013 is now running the official Android 5.0 Lollipop update with build LRX21P via stock factory image from Google. Go to Settings > About tablet to verify the firmware installed.
[Source: Team Android]