https://devzone.nordicsemi.com/f/nordic-q-a/53974/does-a-reset-needed-during-nrf9160-fotaHello. The power supply switch of our product is hold by nRF9160. The whole product will lost power if nrf1960 being reset or the power control pin is released by nRF9160. The flash will be erased first when program a hex file with nRF programmeren-USTelligent Community 13Wed, 06 Nov 2019 09:28:16 GMThttps://devzone.nordicsemi.com/thread/218756?ContentTypeID=1Wed, 06 Nov 2019 09:28:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:879c3c75-2413-4668-bac4-cf7e3bbee6f1Hakon<p>Hello,</p> <p>&nbsp;</p> [quote user=""]When use FOTA, will the nRF9160 be reset <span style="color:#ff0000;">DURING <span style="color:#000000;">FOTA process? You know that there is no person to hold the button during FOTA process.</span></span>[/quote] <p>&nbsp;The nRF9160 will not reset automatically. You will need to initiate the reset manually after the image has been downloaded.</p><div style="clear:both;"></div>