diff --git a/phar.php b/phar.php
index 11b83040f..84dd3132b 100644
--- a/phar.php
+++ b/phar.php
@@ -61,10 +61,10 @@ function ___install_madeline()
         $release_branch = '';
     }
     $release_fallback_branch = '';
-    /*if (isset($_SERVER['SERVER_ADMIN']) && strpos($_SERVER['SERVER_ADMIN'], '000webhost.io')) {
-    $release_branch = '-deprecated';
-    $release_fallback_branch = '-deprecated';
-    }*/
+    if (isset($_SERVER['SERVER_ADMIN']) && strpos($_SERVER['SERVER_ADMIN'], '000webhost.io') && $custom_branch === null) {
+        $release_branch = '-deprecated';
+        $release_fallback_branch = '-deprecated';
+    }
 
     if (PHP_MAJOR_VERSION <= 5) {
         $release_branch = '5'.$release_branch;
diff --git a/src/danog/MadelineProto/DataCenter.php b/src/danog/MadelineProto/DataCenter.php
index c23c27fc9..b725d65c2 100644
--- a/src/danog/MadelineProto/DataCenter.php
+++ b/src/danog/MadelineProto/DataCenter.php
@@ -108,6 +108,7 @@ class DataCenter
      *
      * Note: Once resolved the socket stream will already be set to non-blocking mode.
      *
+     * @param bool                 $ipv6
      * @param string               $uricall
      * @param ClientConnectContext $socketContext
      * @param ClientTlsContext     $tlsContext
@@ -116,12 +117,13 @@ class DataCenter
      * @return Promise<ClientSocket>
      */
     public function cryptoConnect(
+        bool $ipv6,
         string $uri,
         ClientConnectContext $socketContext = null,
         ClientTlsContext $tlsContext = null,
         CancellationToken $token = null
     ): Promise {
-        return call(function () use ($uri, $socketContext, $tlsContext, $token) {
+        return call(function () use ($ipv6, $uri, $socketContext, $tlsContext, $token) {
             $tlsContext = $tlsContext ?? new ClientTlsContext;
 
             if ($tlsContext->getPeerName() === null) {
@@ -129,7 +131,7 @@ class DataCenter
             }
 
             /** @var ClientSocket $socket */
-            $socket = yield $this->socketConnect($uri, $socketContext, $token);
+            $socket = yield $this->socketConnect($ipv6, $uri, $socketContext, $token);
 
             $promise = $socket->enableCrypto($tlsContext);
 
@@ -168,15 +170,16 @@ class DataCenter
     /**
      * Asynchronously establish a socket connection to the specified URI.
      *
+     * @param bool                   $ipv6 Whether to use IPv6
      * @param string                 $uri URI in scheme://host:port format. TCP is assumed if no scheme is present.
      * @param ClientConnectContext   $socketContext Socket connect context to use when connecting.
      * @param CancellationToken|null $token
      *
      * @return Promise<\Amp\Socket\ClientSocket>
      */
-    public function socketConnect(string $uri, ClientConnectContext $socketContext = null, CancellationToken $token = null): Promise
+    public function socketConnect(bool $ipv6, string $uri, ClientConnectContext $socketContext = null, CancellationToken $token = null): Promise
     {
-        return call(function () use ($uri, $socketContext, $token) {
+        return call(function () use ($ipv6, $uri, $socketContext, $token) {
             $socketContext = $socketContext ?? new ClientConnectContext;
             $token = $token ?? new NullCancellationToken;
             $attempt = 0;
@@ -196,11 +199,12 @@ class DataCenter
                 // Host is not an IP address, so resolve the domain name.
                 $records = yield $this->DoHClient->resolve($host, $socketContext->getDnsTypeRestriction());
 
-                // Usually the faster response should be preferred, but we don't have a reliable way of determining IPv6
-                // support, so we always prefer IPv4 here.
                 \usort($records, function (Record $a, Record $b) {
                     return $a->getType() - $b->getType();
                 });
+                if ($ipv6) {
+                    $records = array_reverse($records);
+                }
 
                 foreach ($records as $record) {
                     /** @var Record $record */
diff --git a/src/danog/MadelineProto/Stream/Transport/DefaultStream.php b/src/danog/MadelineProto/Stream/Transport/DefaultStream.php
index 9da794d05..32786f2de 100644
--- a/src/danog/MadelineProto/Stream/Transport/DefaultStream.php
+++ b/src/danog/MadelineProto/Stream/Transport/DefaultStream.php
@@ -57,11 +57,9 @@ class DefaultStream extends Socket implements RawStreamInterface, ProxyStreamInt
     public function connectAsync(\danog\MadelineProto\Stream\ConnectionContext $ctx, string $header = ''): \Generator
     {
         if ($ctx->isSecure()) {
-            $connector = $this->cryptoConnector;
-            $this->stream = yield $connector($ctx->getStringUri(), $ctx->getSocketContext(), null, $ctx->getCancellationToken());
+            $this->stream = yield ($this->cryptoConnector)($ctx->getIpv6(), $ctx->getStringUri(), $ctx->getSocketContext(), null, $ctx->getCancellationToken());
         } else {
-            $connector = $this->connector;
-            $this->stream = yield $connector($ctx->getStringUri(), $ctx->getSocketContext(), $ctx->getCancellationToken());
+            $this->stream = yield ($this->connector)($ctx->getIpv6(), $ctx->getStringUri(), $ctx->getSocketContext(), $ctx->getCancellationToken());
         }
         yield $this->stream->write($header);
     }