https://devzone.nordicsemi.com/f/nordic-q-a/89249/default-state-of-gpioHi, I would like to know what is the default state of GPIO pins when nRF9160 is power ON for the first time, and it has the pre-programmed FW from Nordicen-USTelligent Community 13Thu, 23 Jun 2022 10:46:52 GMThttps://devzone.nordicsemi.com/thread/373895?ContentTypeID=1Thu, 23 Jun 2022 10:46:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:428170ee-8897-4e82-849e-e9e315ced5d7H&#229;kon Alseth<p>Hi,</p> <p>&nbsp;</p> <p>The application is empty when you receive devices, meaning that the registers for GPIOs is also with its reset value (input, internal pin buffer disabled):</p> <p><a href="https://infocenter.nordicsemi.com/topic/ps_nrf9160/gpio.html?cp=2_0_0_5_3_3_10#register.PIN_CNF">https://infocenter.nordicsemi.com/topic/ps_nrf9160/gpio.html?cp=2_0_0_5_3_3_10#register.PIN_CNF</a></p> <p></p> <p>The nRF9160 is loaded with a production test image modem firmware, which you&#39;ll need to update to your wanted modem firmware version (latest is mfw v1.3.2):</p> <p><a href="https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/at_version.html?cp=2_1_2">https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/at_version.html?cp=2_1_2</a></p> <p><a href="https://www.nordicsemi.com/Products/nRF9160/Download?lang=en#infotabs">https://www.nordicsemi.com/Products/nRF9160/Download?lang=en#infotabs</a></p> <p>&nbsp;</p> <p>Kind regards,</p> <p>Håkon</p><div style="clear:both;"></div>