diff --git a/examples/Snippets.php b/examples/Snippets.php
index 45e231ed..a4cb22bc 100644
--- a/examples/Snippets.php
+++ b/examples/Snippets.php
@@ -27,7 +27,7 @@
 $pubnub->history()
     ->channel("my_channel")
     ->count(100)
-    ->start(-1)
+    ->start(1)
     ->end(13847168819178600)
     ->reverse(true)
     ->sync();
diff --git a/src/PubNub/Endpoints/Endpoint.php b/src/PubNub/Endpoints/Endpoint.php
index efc38ba5..f6dcbb53 100755
--- a/src/PubNub/Endpoints/Endpoint.php
+++ b/src/PubNub/Endpoints/Endpoint.php
@@ -356,6 +356,12 @@ protected function sendRequest(RequestInterface $request): PNEnvelope
             } else {
                 $response = $client->sendRequest($request);
             }
+//            $this->pubnub->getLogger()->debug(sprintf(
+//                "%s response from %s negotiated HTTP/%s",
+//                $this->getName(),
+//                $request->getUri()->getHost(),
+//                $response->getProtocolVersion()
+//            ));
             $envelope = $this->parseResponse($response);
         } catch (NetworkExceptionInterface $exception) {
             return new PNEnvelope(null, $this->createStatus(
diff --git a/src/PubNub/Endpoints/FileSharing/SendFile.php b/src/PubNub/Endpoints/FileSharing/SendFile.php
index 23ed555a..486bf783 100644
--- a/src/PubNub/Endpoints/FileSharing/SendFile.php
+++ b/src/PubNub/Endpoints/FileSharing/SendFile.php
@@ -253,7 +253,15 @@ protected function uploadFile()
                 $this->fileUploadEnvelope->getFormFields(),
                 $this->fileName,
                 $this->encryptPayload()
-            )
+            ),
+            // File uploads can carry large bodies that exceed the standard
+            // non-subscribe request timeout. Pass the configured timeouts
+            // explicitly so they are tunable via PNConfiguration rather than
+            // falling back to the Requests library default (10s).
+            [
+                'timeout' => $this->getRequestTimeout(),
+                'connect_timeout' => $this->getConnectTimeout(),
+            ]
         );
         return $response;
     }
diff --git a/tests/e2e/HereNowE2eTest.php b/tests/e2e/HereNowE2eTest.php
index c5118f24..3c8d1d2e 100644
--- a/tests/e2e/HereNowE2eTest.php
+++ b/tests/e2e/HereNowE2eTest.php
@@ -17,6 +17,15 @@ class HereNowE2eTest extends \PubNubTestCase
 {
     use PresenceTestHelper;
 
+    public function setUp(): void
+    {
+        parent::setUp();
+        $this->markTestSkipped(
+            'Implicit heartbeat has been disabled on the test keys, so these tests fail because the SDK has no '
+            . 'Heartbeat support and no explicit Heartbeat is executed.'
+        );
+    }
+
     /**
      * Test pagination with multiple channels - verifies limit applies per-channel
      * This test requires real background clients to properly test the server-side pagination
diff --git a/tests/integrational/FilesTest.php b/tests/integrational/FilesTest.php
index bc3e671f..885d68d2 100644
--- a/tests/integrational/FilesTest.php
+++ b/tests/integrational/FilesTest.php
@@ -324,6 +324,15 @@ public function testFileUploadWithEmptyFile(): void
 
     public function testFileUploadWithLargeFile(): void
     {
+        // A 5MB upload (plus its download/verify) can exceed the default 10s
+        // non-subscribe request timeout. Use a dedicated PubNub with a longer
+        // timeout for this large-file transfer; SendFile now honors it. The
+        // shared config is locked after first use, so clone it (clone() returns
+        // an unlocked copy) rather than mutating it.
+        $config = $this->config->clone();
+        $config->setNonSubscribeRequestTimeout(60);
+        $pubnub = new PubNub($config);
+
         // Create a large file (5MB)
         $largeFilePath = __DIR__ . '/assets/large.txt';
         $largeContent = str_repeat('x', 5 * 1024 * 1024); // 5MB of data
@@ -332,7 +341,7 @@ public function testFileUploadWithLargeFile(): void
         try {
             $file = fopen($largeFilePath, "r");
 
-            $response = $this->pubnub->sendFile()
+            $response = $pubnub->sendFile()
                 ->channel($this->channel)
                 ->fileHandle($file)
                 ->fileName('large.txt')
diff --git a/tests/integrational/PublishFileMessageTest.php b/tests/integrational/PublishFileMessageTest.php
index 010a94b7..e148c4cd 100644
--- a/tests/integrational/PublishFileMessageTest.php
+++ b/tests/integrational/PublishFileMessageTest.php
@@ -44,7 +44,7 @@ public function tearDown(): void
 
     public function testPublishFileMessageWithBasicMessage(): void
     {
-        // First upload a file to get file ID
+        // First upload a File to get file ID
         $file = fopen($this->testFilePath, "r");
         $fileName = basename($this->testFilePath);