https://devzone.nordicsemi.com/f/nordic-q-a/51361/not-registering-after-getting-iccidI noticed some weird behaviour which I can repeat to do with not being able to register after reading back the ICCID. The following after the list of commands I run on bootup On the last line, you can see that the modem doesn&#39;t try to register fromen-USTelligent Community 13Mon, 27 Jan 2020 14:53:02 GMThttps://devzone.nordicsemi.com/thread/231210?ContentTypeID=1Mon, 27 Jan 2020 14:53:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ba9d4383-7a36-4b3d-8923-020b124bcb9ajp<p>I know this is an old thread, but has this been fixed since in mfw_nrf9160_1.1.0 ? <br />Seem to have a similar issue with reading the IMSI using AT+CIMI</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/206871?ContentTypeID=1Thu, 29 Aug 2019 12:49:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0cefacac-01d6-4b01-bf69-85b8a1793aa2Hakon<p>I just found out the fix isn&#39;t available to customers yet. You need to run AT+CRSM after connecting to a network for the time being.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/206546?ContentTypeID=1Wed, 28 Aug 2019 09:10:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:53502174-31e9-4276-aa84-24efe1190232RonanB96<p>Yes I&#39;m using&nbsp;mfw_nrf9160_1.0.0, rarely I do see it working after using the ICCID command but majority of the time I get the CEREG:0</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/206542?ContentTypeID=1Wed, 28 Aug 2019 09:05:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8bf5dcfd-86cb-4e85-b45d-726b81f17ebcHakon<p>Hello,</p> <p>As far as I know this has been fixed for modem firmware release v1.0.0. Is this the one you are using?</p><div style="clear:both;"></div>