A single byte error in the persist partition can break:
There's no safe, legal, or beneficial reason for an average user to change their Android's serial number. If you have a specific problem you're trying to solve, describe that problem instead—there's almost certainly a proper solution that doesn't involve serial number modification. how to change serial number on android phone
Serial numbers are hardcoded identifiers used for: A single byte error in the persist partition
For some specific models (like Samsung), specialized computer software like Griffin Unlocker Methods vary significantly depending on whether your device
Manufacturers use it to verify purchase dates and repair history.
Methods vary significantly depending on whether your device is rooted or not. For Non-Rooted Devices
Google and Android manufacturers have significantly hardened the operating system against exactly this kind of tampering. On modern Android devices (Android 8+ with full Verified Boot and hardware-backed key attestation):