https://devzone.nordicsemi.com/f/nordic-q-a/107295/write-data-into-internal-flash-on-zephyrHi, I want to write data into internal flash. I used these code, but it not work(Reboot infinitely) Reading data is okay, but writing part has problems. When cpu execute readAddress [ 0 ] = 0x01 ; to write data into flash, device hasen-USTelligent Community 13Thu, 11 Jan 2024 11:11:54 GMThttps://devzone.nordicsemi.com/thread/463718?ContentTypeID=1Thu, 11 Jan 2024 11:11:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ad4aed04-f962-44c7-b484-394db7a44c64Susheel Nuguru<p>Flash usage is dependent and is automatically managed by Zephyr <a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/nrf/scripts/partition_manager/partition_manager.html">partition management</a>&nbsp; <a href="https://docs.zephyrproject.org/latest/hardware/peripherals/flash.html">NVMS drivers</a>, <a href="https://docs.zephyrproject.org/latest/services/settings/index.html">Settings&nbsp;</a>&nbsp;Trying to access the flash directly using NVMC registers and bypassing all the layers in the Zephyr which might also be accessing the page you are trying to access will most likely cause corruptions at best and unpredicted behavior at worst.&nbsp;</p> <p>Please use the supported libraries/drivers to access flash instead of writing to registers directly.</p><div style="clear:both;"></div>