Google just announced that the Nexus devices (Nexus 5, 7 and 10) are getting the OTA update to Android 5.0 Lollipop, and now the full system images have been posted on the Google Developers website if you were interested in trying it out beforehand by flashing the update on your device manually. After you get the appropriate image downloaded, you can flash it from your computer in just a few clicks. We’ve got full instructions below.
It’s always recommended to create a manual backup of all the data present in your device so that the same can be restored after firmware update in your Nexus 5 device. With below mentioned techniques, one can create a backup of all the data.
Contacts – Sync with the Gmail application:
Images, Songs, Videos, and Files – Connect your device to the computer and dump into a folder in your computer
Make sure that your device has 50% battery life and enable USB Debugging Mode, which can be enabled from the Settings.
All the drivers in your computer should be installed in your computer. Also, make sure that the ADB is installed in your computer.
Make sure that ADB is installed and configured in your computer so that this firmware can be installed in your device.
Disclaimer: We should not be held responsible / liable for any issues caused while upgrading the firmware.
Let’s head over to the next step where we have summed up the detailed list of procedure that will help you root the device.
Procedure to Update Nexus 5 with Lollipop 5.0 Android OS:
- Download the factory image of Lollipop 5.0 Android OS in your computer. Now, all you need to do is to just unzip the downloaded factory image with the .tgz extension. If the extracted file is having the extension of .tar, you will have to rename the same with .tgz.
- On your Nexus, go to Settings > Development options and switch the toggle on. Then enable USB debugging under the “Debugging” menu group.
- Power down your phone.
- Start up the bootloader by holding down volume up, volume down and power on your device.
- When the menu loads, plug your Nexus into your computer.
- On your computer, open up a command prompt or terminal window.
- Using the command line, navigate to the Android SDK/platform-tools folder
- On Windows, type: flash-all.bat or on Mac, type: ./flash-all.sh or on Linux, type: ./flash-all.sh
- Your device will be wiped and set up with a clean install of Android 5.0.
Do let us know in the comments section just in case if you face any issues in the process of firmware update.
Source – Google Developers