diff --git a/src/TinyGsmClientA6.h b/src/TinyGsmClientA6.h
index 4a5b086..6343d89 100644
--- a/src/TinyGsmClientA6.h
+++ b/src/TinyGsmClientA6.h
@@ -507,6 +507,9 @@ class TinyGsmA6
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientBG96.h b/src/TinyGsmClientBG96.h
index 0347055..d517655 100644
--- a/src/TinyGsmClientBG96.h
+++ b/src/TinyGsmClientBG96.h
@@ -422,6 +422,9 @@ class TinyGsmBG96
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientESP8266.h b/src/TinyGsmClientESP8266.h
index 4466e38..a0cf2a5 100644
--- a/src/TinyGsmClientESP8266.h
+++ b/src/TinyGsmClientESP8266.h
@@ -17,10 +17,9 @@
 #include "TinyGsmCommon.h"
 
 #define GSM_NL "\r\n"
-static const char GSM_OK[] TINY_GSM_PROGMEM        = "OK" GSM_NL;
-static const char GSM_ERROR[] TINY_GSM_PROGMEM     = "ERROR" GSM_NL;
-static const char GSM_CME_ERROR[] TINY_GSM_PROGMEM = GSM_NL "+CME ERROR:";
-static unsigned   TINY_GSM_TCP_KEEP_ALIVE          = 120;
+static const char GSM_OK[] TINY_GSM_PROGMEM    = "OK" GSM_NL;
+static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
+static unsigned   TINY_GSM_TCP_KEEP_ALIVE      = 120;
 
 // <stat> status of ESP8266 station interface
 // 2 : ESP8266 station connected to an AP and has obtained IP
@@ -421,8 +420,7 @@ class TinyGsmESP8266
   // TODO(vshymanskyy): Optimize this!
   uint8_t waitResponse(uint32_t timeout_ms, String& data,
                        GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     /*String r1s(r1); r1s.trim();
     String r2s(r2); r2s.trim();
@@ -497,16 +495,14 @@ class TinyGsmESP8266
   }
 
   uint8_t waitResponse(uint32_t timeout_ms, GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     String data;
     return waitResponse(timeout_ms, data, r1, r2, r3, r4, r5);
   }
 
   uint8_t waitResponse(GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     return waitResponse(1000, r1, r2, r3, r4, r5);
   }
diff --git a/src/TinyGsmClientM590.h b/src/TinyGsmClientM590.h
index 8fada7b..522c3e8 100644
--- a/src/TinyGsmClientM590.h
+++ b/src/TinyGsmClientM590.h
@@ -417,6 +417,9 @@ class TinyGsmM590
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientM95.h b/src/TinyGsmClientM95.h
index 1b6031a..7f259d5 100644
--- a/src/TinyGsmClientM95.h
+++ b/src/TinyGsmClientM95.h
@@ -541,6 +541,9 @@ class TinyGsmM95
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientMC60.h b/src/TinyGsmClientMC60.h
index 4c51552..0416ded 100644
--- a/src/TinyGsmClientMC60.h
+++ b/src/TinyGsmClientMC60.h
@@ -523,6 +523,9 @@ class TinyGsmMC60
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientSIM5360.h b/src/TinyGsmClientSIM5360.h
index 49179a7..58bce88 100644
--- a/src/TinyGsmClientSIM5360.h
+++ b/src/TinyGsmClientSIM5360.h
@@ -616,6 +616,9 @@ class TinyGsmSim5360 : public TinyGsmModem<TinyGsmSim5360, READ_AND_CHECK_SIZE,
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientSIM7000.h b/src/TinyGsmClientSIM7000.h
index 41ef37b..5654437 100644
--- a/src/TinyGsmClientSIM7000.h
+++ b/src/TinyGsmClientSIM7000.h
@@ -644,6 +644,9 @@ class TinyGsmSim7000 : public TinyGsmModem<TinyGsmSim7000, READ_AND_CHECK_SIZE,
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientSIM7600.h b/src/TinyGsmClientSIM7600.h
index f60d495..a1beb50 100644
--- a/src/TinyGsmClientSIM7600.h
+++ b/src/TinyGsmClientSIM7600.h
@@ -618,6 +618,9 @@ class TinyGsmSim7600 : public TinyGsmModem<TinyGsmSim7600, READ_AND_CHECK_SIZE,
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientSIM800.h b/src/TinyGsmClientSIM800.h
index bafae82..cff7973 100644
--- a/src/TinyGsmClientSIM800.h
+++ b/src/TinyGsmClientSIM800.h
@@ -595,6 +595,9 @@ class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800, READ_AND_CHECK_SIZE,
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientSaraR4.h b/src/TinyGsmClientSaraR4.h
index d43ba9a..0b143e4 100644
--- a/src/TinyGsmClientSaraR4.h
+++ b/src/TinyGsmClientSaraR4.h
@@ -653,10 +653,10 @@ class TinyGsmSaraR4 : public TinyGsmModem<TinyGsmSaraR4, READ_AND_CHECK_SIZE,
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
-          index = 3;
           if (r3 == GFP(GSM_CME_ERROR)) {
             streamSkipUntil('\n');  // Read out the error
           }
+          index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
           index = 4;
diff --git a/src/TinyGsmClientSequansMonarch.h b/src/TinyGsmClientSequansMonarch.h
index 425e5ac..b10c6ed 100644
--- a/src/TinyGsmClientSequansMonarch.h
+++ b/src/TinyGsmClientSequansMonarch.h
@@ -611,6 +611,9 @@ class TinyGsmSequansMonarch
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
+          if (r3 == GFP(GSM_CME_ERROR)) {
+            streamSkipUntil('\n');  // Read out the error
+          }
           index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
diff --git a/src/TinyGsmClientUBLOX.h b/src/TinyGsmClientUBLOX.h
index 502fee2..29d634f 100644
--- a/src/TinyGsmClientUBLOX.h
+++ b/src/TinyGsmClientUBLOX.h
@@ -580,10 +580,10 @@ class TinyGsmUBLOX
           index = 2;
           goto finish;
         } else if (r3 && data.endsWith(r3)) {
-          index = 3;
           if (r3 == GFP(GSM_CME_ERROR)) {
             streamSkipUntil('\n');  // Read out the error
           }
+          index = 3;
           goto finish;
         } else if (r4 && data.endsWith(r4)) {
           index = 4;
diff --git a/src/TinyGsmClientXBee.h b/src/TinyGsmClientXBee.h
index 706b9c4..10664ce 100644
--- a/src/TinyGsmClientXBee.h
+++ b/src/TinyGsmClientXBee.h
@@ -23,9 +23,8 @@
 #include "TinyGsmCommon.h"
 
 #define GSM_NL "\r"
-static const char GSM_OK[] TINY_GSM_PROGMEM        = "OK" GSM_NL;
-static const char GSM_ERROR[] TINY_GSM_PROGMEM     = "ERROR" GSM_NL;
-static const char GSM_CME_ERROR[] TINY_GSM_PROGMEM = GSM_NL "+CME ERROR:";
+static const char GSM_OK[] TINY_GSM_PROGMEM    = "OK" GSM_NL;
+static const char GSM_ERROR[] TINY_GSM_PROGMEM = "ERROR" GSM_NL;
 
 // Use this to avoid too many entrances and exits from command mode.
 // The cellular Bee's often freeze up and won't respond when attempting
@@ -1269,8 +1268,7 @@ class TinyGsmXBee
   // (URC's) when in command mode.
   uint8_t waitResponse(uint32_t timeout_ms, String& data,
                        GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     /*String r1s(r1); r1s.trim();
     String r2s(r2); r2s.trim();
@@ -1327,16 +1325,14 @@ class TinyGsmXBee
   }
 
   uint8_t waitResponse(uint32_t timeout_ms, GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     String data;
     return waitResponse(timeout_ms, data, r1, r2, r3, r4, r5);
   }
 
   uint8_t waitResponse(GsmConstStr r1 = GFP(GSM_OK),
-                       GsmConstStr r2 = GFP(GSM_ERROR),
-                       GsmConstStr r3 = GFP(GSM_CME_ERROR),
+                       GsmConstStr r2 = GFP(GSM_ERROR), GsmConstStr r3 = NULL,
                        GsmConstStr r4 = NULL, GsmConstStr r5 = NULL) {
     return waitResponse(1000, r1, r2, r3, r4, r5);
   }