Last Updated on August 1, 2025 by Bestusefultips
The serial number 0123456789abcdef on your Android device is a generic placeholder often used in emulators or when the actual serial number isn’t properly retrieved. Here’s what it means and how to address it. Any device serial number is helpful to identifying your device model or checking if it’s an emulator?
What It Means: Serial Number 0123456789abcdef
Generic Serial Number: 0123456789ABCDEF is not a valid unique identifier. This serial number mostly display on the Android emulators when your device fails to report original serial number. Also facing this due to USB debugging not being enabled or different permissions problems.
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You can fix this serial number problem to apply below given solutions to your Android devices like Samsung Galaxy, OnePlus, Vivo, Motorola, Google Pixel, Oppo, Redmi, etc.
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Enable USB debugging
You can find USB debugging option under the developer mode settings. So first, turn on developer mode on your device.
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Check for Emulator
If you’re using an emulator, this serial is expected Use adb -e to find the emulator specifically
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Check device drivers on PC
Make sure to your PC or Laptop has the latest and updated USB drivers for your device. If you still facing the issue, update or re-install the driver if needed.
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Check the Cable or USB Port
Use different USB port or change the faulty cables if needed
How to Check (Find) Serial Number on Android Phone
Settings > About phone > Model > Serial Number
And that’s all. Have you ever find serial number 0123456789abcdef to any of your device? If yes, please tell us in the below comment section.
