Which system do you use? Android, Ubuntu, OOWOW or others?
Ubuntu**
Which version of system do you use? Khadas official images, self built images, or others?
**Both.**
Please describe your issue below:
`**Is the serial number hard coded in the SBC, in other words it cannot be altered in any way?
Where is the serial number in edge V pro boards?**`
Post a console log of your issue below:
grep "Serial" /proc/cpuinfo
Delete this line and post your log here.