There is nothing in the documentation to indicate that issuing AT+COPS=0 will, “reset the PLMN search” - but this does, in fact, seem to be the case! For example: In such a case, it does seem that issuing AT+COPS=0 will, indeed, “reset the PLMN search” - and will allow the module to escape from …

Undocumented side-effect of AT+COPS=0

szalik February 27, 2011, 7:36pm 2

I’ve seen a reference to AT+COPS=0 in PLMN Selection and Reselection Application Note, it’s the first FAQ question.

Q2678RD /w v7.43 generic cannot do 1st GSM registration

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