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Fix IMEI query for SIM76XX series #856

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Fix IMEI query for SIM76XX series #856

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ef4dbc3
Fix IMEI query for SIM76XX series
moritz89 Mar 23, 2026
7c9c8ca
Clean up response handling and support all SIM70XX modems
moritz89 Mar 24, 2026
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10 changes: 10 additions & 0 deletions src/TinyGsmClientSIM70xx.h
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Original file line number Diff line number Diff line change
Expand Up @@ -228,6 +228,16 @@ class TinyGsmSim70xx : public TinyGsmModem<SIM70xxType>,
return res;
}

// Gets the IMEI of the modem with AT+CGSN
String getIMEIImpl() {
sendAT(GF("+CGSN"));
if (waitResponse(GF(AT_NL)) != 1) { return ""; }
String res = stream.readStringUntil('\n');
waitResponse();
res.trim();
return res;
}

/*
* GPS/GNSS/GLONASS location functions
*/
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10 changes: 10 additions & 0 deletions src/TinyGsmClientSIM7600.h
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Original file line number Diff line number Diff line change
Expand Up @@ -412,6 +412,16 @@ class TinyGsmSim7600 : public TinyGsmModem<TinyGsmSim7600>,
return res;
}

// Gets the IMEI of the modem with AT+CGSN
String getIMEIImpl() {
sendAT(GF("+CGSN"));
if (waitResponse(GF(AT_NL)) != 1) { return ""; }
String res = stream.readStringUntil('\n');
waitResponse();
res.trim();
return res;
}

/*
* Phone Call functions
*/
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