nRF54L15-PDF v0.8.1 system off power consumption limit

Dear Devzone,
Dear Devzone,
I got the v0.8.1 nRF54L15-PDK. To verify the power consumption of system off, I used the Board configurator to set the development board voltage to 3V. Based on ncs2.8.0, I burned the system_off example and saw the power consumption of 3.2uA through PPK2. I continued to use the Board configurator to set the development board voltage to 1.8V. Through PPK2, I saw the power consumption of 4.2uA, which did not reach the 0.6uA in the data sheet. How can I modify the system off example to see that the power consumption of nRF54L15-PDK is less than 1uA after entering the system off mode?

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