
27
October
A serial number or IMEI ties a device to you. You will need one for any unlock, warranty claim, or theft report.
Locked out? Check these first
- The original box. Look for a label with “S/N” or “IMEI.”
- Your receipt or online order confirmation.
- Your carrier account or app, under your devices.
- A label on the bottom of a laptop, the back of a desktop, or the drive itself.
Windows computer
- Right-click Start and select Terminal or Windows PowerShell.
- Type
Get-CimInstance Win32_BIOS | Select-Object SerialNumberand press Enter. - Write down the number shown.
Linux computer
- Open a terminal.
- Type
sudo dmidecode -s system-serial-numberand press Enter.
Android phone or tablet
- Open Settings.
- Tap About phone or About tablet.
- Find the serial number and IMEI. On most phones, dialing *#06# shows the IMEI too.
Save a photo of the number with your receipt. You will thank yourself later. Need an unlock? See Services & Pricing.
Latest from Upper Valley AdvanceNow Offering Device Unlocking for Computers, Phones & TabletsOct 27, 2026All announcements

