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cms error 515
Hi, b_esk.
Please try to deattach the GPRS (if it's attached):
==============================
at+cgatt?
+CGATT: 1
OK
at+cgatt=0 // some times replies with error for the first try...
ERROR
at+cgatt=0
OK
at+cgatt?
+CGATT: 0
OK
==============
Reset the board and try to...
at+cgatt=1 error
Hi, We're desperate, any help will be very appreciated.
Our module (Sim300_EVB with Sim340dz) is seems working fine for some time, we can send an SMSs and work with GPRS, but after some time, when we try to send an SMS we receive the following error (+CMS ERROR: 515), please...
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