Removed extra check for connection in available.

src/TinyGsmClientA6.h

@@ -112,7 +112,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size();
@@ -191,7 +191,7 @@ public:
     if (waitResponse() != 1) {
       return false;
     }
-    sendAT(GF("+CMEE=0"));  // Turn of verbose errors
+    sendAT(GF("+CMEE=0"));  // Turn off verbose errors
     waitResponse();
     sendAT(GF("+CMER=3,0,0,2"));  // Set unsolicited result code output destination
     waitResponse();

src/TinyGsmClientBG96.h

@@ -112,7 +112,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size() + sock_available;

src/TinyGsmClientESP8266.h

@@ -109,7 +109,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size();

src/TinyGsmClientM95.h

@@ -112,7 +112,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size() + sock_available;

src/TinyGsmClientMC60.h

@@ -116,7 +116,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size() + sock_available;

src/TinyGsmClientSIM800.h

@@ -118,11 +118,11 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       // Workaround: sometimes SIM800 forgets to notify about data arrival.
       // TODO: Currently we ping the module periodically,
       // but maybe there's a better indicator that we need to poll
-      if (millis() - prev_check > 500) {
+      if (millis() - prev_check > 250) {
         got_data = true;
         prev_check = millis();
       }
@@ -147,7 +147,7 @@ public:
       // Workaround: sometimes SIM800 forgets to notify about data arrival.
       // TODO: Currently we ping the module periodically,
       // but maybe there's a better indicator that we need to poll
-      if (millis() - prev_check > 500)  {
+      if (millis() - prev_check > 250)  {
         got_data = true;
         prev_check = millis();
       }

src/TinyGsmClientUBLOX.h

@@ -110,7 +110,7 @@ public:
 
   virtual int available() {
     TINY_GSM_YIELD();
-    if (!rx.size() && sock_connected) {
+    if (!rx.size()) {
       at->maintain();
     }
     return rx.size() + sock_available;