From 200681293a7bab34e03893f2d1aad674a061d798 Mon Sep 17 00:00:00 2001
From: Volodymyr Shymanskyy <vshymanskyi@gmail.com>
Date: Fri, 16 Dec 2016 20:01:37 +0200
Subject: [PATCH] Fix waitForNetwork

---
 TinyGsmClient.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/TinyGsmClient.h b/TinyGsmClient.h
index eeb97f2..731edf2 100644
--- a/TinyGsmClient.h
+++ b/TinyGsmClient.h
@@ -337,12 +337,14 @@ public:
   bool waitForNetwork(unsigned long timeout = 60000L) {
     for (unsigned long start = millis(); millis() - start < timeout; ) {
       RegStatus s = getRegistrationStatus();
-      if(s == REG_OK_HOME || s == REG_OK_ROAMING) {
+      if (s == REG_OK_HOME || s == REG_OK_ROAMING) {
         return true;
+      } else if (s == REG_UNREGISTERED) {
+        return false;
       }
       delay(1000);
     }
-    return true;
+    return false;
   }
 
   /*