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  • Zach Pfeffer

Use fastboot to Get the Serial Number of a Pixel 4a Windows 10


Pixel 4a With A Broken Screen

The post shows how to use fastboot to get the serial number of a Pixel 4a on Windows 10. You may need this to determine whether a phone is under warranty and the screen is dead or dying.


A Nearly Dead Pixel 4a Screen

Nearly Dead Pixel 4a Screen

You'll Need


A USB-C to USB-A cable.


Use fastboot to Get the Serial Number of a Pixel 4a Windows 10


Plug the Phone In


Plug the phone into the USB-C end of the cable and the USB A end into the computer.

Press Down Volume and Power to get into fastboot.


Get the Driver


Download usb_driver_r13-windows.zip from:

...or cached:

...to the Downloads directory and extract it


Get fastboot


Download commandlinetools-win-11076708_latest.zip from:

...or cached:

...to the Downloads directory and extract it


Open the Device Manager


Type Windows + R

Type devmgmt.msc

Find the USB device with the exclamation

Right-click on the device and select install driver


Make Sure You're in Fastboot


Make sure the phones plugged in and the USB driver is installed

Simultaneously press and hold the Down Volume button and the Power button for 30 secs

Simultaneously release the Down Volume button and the Power button


Run fastboot from the Command Line


Type Windows + R

Type cmd

Change directory where fastboot.exe is

In cmd cd "DIR"

fastboot.exe devices


The Serial Number via fastboot


You should see (XXXXXXXXXXXXXX is the 14 character serial number):

XXXXXXXXXXXXXX fastboot


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