nRF9151 Custom UICR

I used to use UICR to store the serial number information during the production with nRF52832.

I am working on new project with nRF9151, but when I check the datasheet, nRF9151 doesn't seem to have a reserved area for custom UICR similar to nRF52832.

Before I give up, I would like to double check if nRF9151 really doesn't have any reserved area for the customers,

If not, any other trick to store this kind of factory information? Should I use NVS instead?

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