https://devzone.nordicsemi.com/f/nordic-q-a/82236/nrf9160-goes-rrc-mode-idle-and-stuck-thereI had even erase application firmware as well as modem firmware and reprogrammed it. This device working properly before but during FOTA update due to some power supply error its goes into this mode? Is there any way to recover this modem ? Thaen-USTelligent Community 13Tue, 30 Nov 2021 12:22:01 GMThttps://devzone.nordicsemi.com/thread/341268?ContentTypeID=1Tue, 30 Nov 2021 12:22:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ffeb1397-d3d2-405c-b4f6-cf91ef1f146dWaqar Ahmed<p>the new sim card are from same network that earlier I used. might be the&nbsp; old sim cards get malfunction during FOTA update (power failure occur) .</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/341266?ContentTypeID=1Tue, 30 Nov 2021 12:19:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8a60e158-d45c-46bf-ad36-b74ce349374cWaqar Ahmed<p>I changed the sim card of my devices. now its connected&nbsp;</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/341263?ContentTypeID=1Tue, 30 Nov 2021 12:15:51 GMT137ad170-7792-4731-bb38-c0d22fbe4515:73011693-0f1f-49f2-82e6-be32ad0001ff&#216;ivind<p>Hi,</p> <p>great to hear that you got it working! Could you share how you solved the issue?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/341258?ContentTypeID=1Tue, 30 Nov 2021 12:00:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b81c48f4-6fed-4155-af7b-7c4c823539c4Waqar Ahmed<p>Solved the problem by my own&nbsp;</p><div style="clear:both;"></div>