[dropcap type=”1″]1[/dropcap]Let’s start with creating a Backup of your device, as updating to a newer version of Android could wipe data from your device.
[dropcap type=”1″]2[/dropcap]Download Lollipop 5.0 for your Nexus device from the list below:
[dropcap type=”1″]3[/dropcap]Now we’ll need to turn on USB Debugging on the device, go to Settings > Developer options > USB Debugging (check it) if you don’t find USB Debugging or Developer options in Settings menu, then go to About device in the Settings menu, and tap repeatedly on the Build number (approximately 7 times) to unlock the Developer options. When it unlocks you’ll get a pop up informing you about that. Now that you enabled Developer options on you device, enable USB Debugging.
[dropcap type=”1″]5[/dropcap]Now we need to move and extract the Lollipop files that we downloaded at the second step, over the same folder as the Platform Tools, where you installed ADB and fastboot.
[dropcap type=”1″]6[/dropcap]Power down your device, then holding the Power and Volume Down buttons at the same time to enter bootloader mode. Plug your device into your Mac or Windows PC, then open up a command or terminal window, and type in the following commands one by one:
./fastboot oem unlock
On your Nexus screen, you should be asked if you’d like to unlock bootloader. Highlight Yes option then hit the power button to confirm.
[dropcap type=”1″]7[/dropcap]Now we need to flash Lollipop. In command or terminal window type:
The command will flash Lollipop and when you’re booted back up, just set up your Android 5.0 device.