There is, so sorry, that won't work.

@Sprite Is there a better way to modify one value in NVS?

vvb333007 That's a good idea. My preference would've been to store the serial number as an integer. I could possibly make it a uint64 and use the start and end bytes as markers.

I wish there was a way to unpack a nvs binary file back to a csv for easy modification. Perhaps I could write a tool ...

I have an ESP32-S3 and I've set up the partition table to have a 24K NVS partition.
One of the values in NVS is called `serialno`. It is a 32-bit serial number that should be unique to each device.
There are other values stored in NVS. Some of them are constant, but others may be set during ...