Must writeChanges or the XBee can't connect!

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TinyGSM",
-  "version": "0.7.9",
+  "version": "0.7.10",
   "description": "A small Arduino library for GPRS modules, that just works. Includes examples for Blynk, MQTT, File Download, and Web Client. Supports many GSM, LTE, and WiFi modules with AT command interfaces.",
   "keywords": "GSM, AT commands, AT, SIM800, SIM900, A6, A7, M590, ESP8266, SIM7000, SIM800A, SIM800C, SIM800L, SIM800H, SIM808, SIM868, SIM900A, SIM900D, SIM908, SIM968, M95, MC60, MC60E, BG96, ublox, Quectel, SIMCOM, AI Thinker, LTE, LTE-M",
   "authors":

library.properties

@@ -1,5 +1,5 @@
 name=TinyGSM
-version=0.7.9
+version=0.7.10
 author=Volodymyr Shymanskyy
 maintainer=Volodymyr Shymanskyy
 sentence=A small Arduino library for GPRS modules, that just works.

src/TinyGsmClientXBee.h

@@ -864,10 +864,12 @@ protected:
 
   bool modemConnect(IPAddress ip, uint16_t port, uint8_t mux = 0, bool ssl = false, int timeout_s = 75) {
 
-    savedIP = ip;  // Set the newly requested IP address
     bool success = true;
     uint32_t timeout_ms = ((uint32_t)timeout_s)*1000;
     XBEE_COMMAND_START_DECORATOR(5, false)
+
+    if (ip != savedIP) {  // Can skip almost everything if there's no change in the IP address
+      savedIP = ip;  // Set the newly requested IP address
       String host; host.reserve(16);
       host += ip[0];
       host += ".";
@@ -890,6 +892,9 @@ protected:
       sendAT(GF("DE"), String(port, HEX));  // Set the destination port
       success &= (1 == waitResponse());
 
+      success &= writeChanges();
+    }
+
     for (unsigned long start = millis(); millis() - start < timeout_ms; ) {
       if (modemGetConnected()) {
         sockets[mux]->sock_connected = true;

src/TinyGsmCommon.h

@@ -10,7 +10,7 @@
 #define TinyGsmCommon_h
 
 // The current library version number
-#define TINYGSM_VERSION "0.7.9"
+#define TINYGSM_VERSION "0.7.10"
 
 #if defined(SPARK) || defined(PARTICLE)
   #include "Particle.h"