diff --git a/src/Storage/Device/S3.php b/src/Storage/Device/S3.php
index 79aadeff..c319bc57 100644
--- a/src/Storage/Device/S3.php
+++ b/src/Storage/Device/S3.php
@@ -26,6 +26,14 @@ class S3 extends Device
 
     const METHOD_TRACE = 'TRACE';
 
+    const HTTP_VERSION_1_1 = CURL_HTTP_VERSION_1_1;
+
+    const HTTP_VERSION_2_0 = CURL_HTTP_VERSION_2_0;
+
+    const HTTP_VERSION_2 = CURL_HTTP_VERSION_2;
+
+    const HTTP_VERSION_1_0 = CURL_HTTP_VERSION_1_0;
+
     /**
      * AWS Regions constants
      */
@@ -128,7 +136,8 @@ class S3 extends Device
      * @var array
      */
     protected array $headers = [
-        'host' => '', 'date' => '',
+        'host' => '',
+        'date' => '',
         'content-md5' => '',
         'content-type' => '',
     ];
@@ -138,6 +147,13 @@ class S3 extends Device
      */
     protected array $amzHeaders;
 
+    /**
+     * Http version
+     *
+     * @var int|null
+     */
+    protected ?int $curlHttpVersion = null;
+
     /**
      * S3 Constructor
      *
@@ -148,7 +164,7 @@ class S3 extends Device
      * @param  string  $region
      * @param  string  $acl
      */
-    public function __construct(string $root, string $accessKey, string $secretKey, string $bucket, string $region = self::US_EAST_1, string $acl = self::ACL_PRIVATE)
+    public function __construct(string $root, string $accessKey, string $secretKey, string $bucket, string $region = self::US_EAST_1, string $acl = self::ACL_PRIVATE, $endpointUrl = '')
     {
         $this->accessKey = $accessKey;
         $this->secretKey = $secretKey;
@@ -158,10 +174,14 @@ public function __construct(string $root, string $accessKey, string $secretKey,
         $this->acl = $acl;
         $this->amzHeaders = [];
 
-        $host = match ($region) {
-            self::CN_NORTH_1, self::CN_NORTH_4, self::CN_NORTHWEST_1 => $bucket.'.s3.'.$region.'.amazonaws.cn',
-            default => $bucket.'.s3.'.$region.'.amazonaws.com'
-        };
+        if (! empty($endpointUrl)) {
+            $host = $bucket.'.'.$endpointUrl;
+        } else {
+            $host = match ($region) {
+                self::CN_NORTH_1, self::CN_NORTH_4, self::CN_NORTHWEST_1 => $bucket.'.s3.'.$region.'.amazonaws.cn',
+                default => $bucket.'.s3.'.$region.'.amazonaws.com'
+            };
+        }
 
         $this->headers['host'] = $host;
     }
@@ -208,6 +228,20 @@ public function getPath(string $filename, string $prefix = null): string
         return $this->getRoot().DIRECTORY_SEPARATOR.$filename;
     }
 
+    /**
+     * Set http version
+     *
+     *
+     * @param  int|null  $httpVersion
+     * @return self
+     */
+    public function setHttpVersion(?int $httpVersion): self
+    {
+        $this->curlHttpVersion = $httpVersion;
+
+        return $this;
+    }
+
     /**
      * Upload.
      *
@@ -483,7 +517,7 @@ public function delete(string $path, bool $recursive = false): bool
      *
      * @throws Exception
      */
-    private function listObjects(string $prefix = '', int $maxKeys = self::MAX_PAGE_SIZE, string $continuationToken = ''): array
+    protected function listObjects(string $prefix = '', int $maxKeys = self::MAX_PAGE_SIZE, string $continuationToken = ''): array
     {
         if ($maxKeys > self::MAX_PAGE_SIZE) {
             throw new Exception('Cannot list more than '.self::MAX_PAGE_SIZE.' objects');
@@ -494,6 +528,9 @@ private function listObjects(string $prefix = '', int $maxKeys = self::MAX_PAGE_
         $this->headers['content-type'] = 'text/plain';
         $this->headers['content-md5'] = \base64_encode(md5('', true));
 
+        unset($this->amzHeaders['x-amz-content-sha256']);
+        unset($this->amzHeaders['x-amz-acl']);
+
         $parameters = [
             'list-type' => 2,
             'prefix' => $prefix,
@@ -765,8 +802,10 @@ private function getSignatureV4(string $method, string $uri, array $parameters =
 
         // stringToSign
         $stringToSignStr = \implode("\n", [
-            $algorithm, $this->amzHeaders['x-amz-date'],
-            \implode('/', $credentialScope), \hash('sha256', $amzPayloadStr),
+            $algorithm,
+            $this->amzHeaders['x-amz-date'],
+            \implode('/', $credentialScope),
+            \hash('sha256', $amzPayloadStr),
         ]);
 
         // Make Signature
@@ -797,7 +836,7 @@ private function getSignatureV4(string $method, string $uri, array $parameters =
      *
      * @throws \Exception
      */
-    private function call(string $method, string $uri, string $data = '', array $parameters = [], bool $decode = true)
+    protected function call(string $method, string $uri, string $data = '', array $parameters = [], bool $decode = true)
     {
         $uri = $this->getAbsolutePath($uri);
         $url = 'https://'.$this->headers['host'].$uri.'?'.\http_build_query($parameters, '', '&', PHP_QUERY_RFC3986);
@@ -837,6 +876,11 @@ private function call(string $method, string $uri, string $data = '', array $par
         \curl_setopt($curl, CURLOPT_HTTPHEADER, $httpHeaders);
         \curl_setopt($curl, CURLOPT_HEADER, false);
         \curl_setopt($curl, CURLOPT_RETURNTRANSFER, false);
+
+        if ($this->curlHttpVersion != null) {
+            \curl_setopt($curl, CURLOPT_HTTP_VERSION, $this->curlHttpVersion);
+        }
+
         \curl_setopt($curl, CURLOPT_WRITEFUNCTION, function ($curl, string $data) use ($response) {
             $response->body .= $data;
 
diff --git a/tests/Storage/Device/BackblazeTest.php b/tests/Storage/Device/BackblazeTest.php
index 91ce2f8f..d2d277b4 100644
--- a/tests/Storage/Device/BackblazeTest.php
+++ b/tests/Storage/Device/BackblazeTest.php
@@ -12,7 +12,7 @@ protected function init(): void
         $this->root = '/root';
         $key = $_SERVER['BACKBLAZE_ACCESS_KEY'] ?? '';
         $secret = $_SERVER['BACKBLAZE_SECRET'] ?? '';
-        $bucket = 'utopia-storage-test';
+        $bucket = 'utopia-storage-test-new';
 
         $this->object = new Backblaze($this->root, $key, $secret, $bucket, Backblaze::US_WEST_004, Backblaze::ACL_PRIVATE);
     }