diff --git a/examples/BlynkClient/BlynkClient.ino b/examples/BlynkClient/BlynkClient.ino
index b194ee7..3e19f34 100644
--- a/examples/BlynkClient/BlynkClient.ino
+++ b/examples/BlynkClient/BlynkClient.ino
@@ -62,9 +62,12 @@ void setup()
   delay(3000);
 
   // Restart takes quite some time
-  // You can skip it in many cases
+  // To skip it, call init() instead of restart()
   modem.restart();
 
+  // Unlock your SIM card with a PIN
+  //modem.simUnlock("1234");
+
   Blynk.begin(auth, modem, apn, user, pass);
 }
 
diff --git a/examples/FileDownload/FileDownload.ino b/examples/FileDownload/FileDownload.ino
index 95d9f18..01ca92b 100644
--- a/examples/FileDownload/FileDownload.ino
+++ b/examples/FileDownload/FileDownload.ino
@@ -43,8 +43,11 @@ void setup() {
   delay(3000);
 
   // Restart takes quite some time
-  // You can skip it in many cases
+  // To skip it, call init() instead of restart()
   modem.restart();
+
+  // Unlock your SIM card with a PIN
+  //modem.simUnlock("1234");
 }
 
 void printPercent(uint32_t readLength, uint32_t contentLength) {
@@ -81,7 +84,7 @@ void loop() {
 
   // if you get a connection, report back via serial:
   if (!client.connect(server, 80)) {
-    Serial.println(" failed");
+    Serial.println(" fail");
     delay(10000);
     return;
   }
diff --git a/examples/MqttClient/MqttClient.ino b/examples/MqttClient/MqttClient.ino
index 9fe3a66..cc59226 100644
--- a/examples/MqttClient/MqttClient.ino
+++ b/examples/MqttClient/MqttClient.ino
@@ -68,9 +68,12 @@ void setup() {
   delay(3000);
 
   // Restart takes quite some time
-  // You can skip it in many cases
+  // To skip it, call init() instead of restart()
   modem.restart();
 
+  // Unlock your SIM card with a PIN
+  //modem.simUnlock("1234");
+
   Serial.print("Waiting for network...");
   if (!modem.waitForNetwork()) {
     Serial.println(" fail");
diff --git a/examples/WebClient/WebClient.ino b/examples/WebClient/WebClient.ino
index a7c3181..520fc47 100644
--- a/examples/WebClient/WebClient.ino
+++ b/examples/WebClient/WebClient.ino
@@ -39,8 +39,11 @@ void setup() {
   delay(3000);
 
   // Restart takes quite some time
-  // You can skip it in many cases
+  // To skip it, call init() instead of restart()
   modem.restart();
+
+  // Unlock your SIM card with a PIN
+  //modem.simUnlock("1234");
 }
 
 void loop() {
@@ -64,7 +67,7 @@ void loop() {
   Serial.print("Connecting to ");
   Serial.print(server);
   if (!client.connect(server, 80)) {
-    Serial.println(" failed");
+    Serial.println(" fail");
     delay(10000);
     return;
   }
diff --git a/tools/SimpleTest/SimpleTest.ino b/tools/SimpleTest/SimpleTest.ino
index 7538636..cd57c8b 100644
--- a/tools/SimpleTest/SimpleTest.ino
+++ b/tools/SimpleTest/SimpleTest.ino
@@ -47,10 +47,12 @@ void setup() {
   delay(3000);
 
   // Restart takes quite some time
-  // You can skip it in many cases
-  SerialMon.println("Restarting modem...");
+  // To skip it, call init() instead of restart()
   modem.restart();
 
+  // Unlock your SIM card with a PIN
+  //modem.simUnlock("1234");
+
   SerialMon.println("Waiting for network... ");
   if (modem.waitForNetwork()) {
     SerialMon.println("OK");