diff --git a/init.php b/init.php
index e636d04d..c33acdfc 100644
--- a/init.php
+++ b/init.php
@@ -131,17 +131,26 @@ if ((!empty($radius_user) && $config['radius_enable']) || _post('radius_enable')
 }
 
 
-if (empty($config['language'])) {
-    $config['language'] = 'english';
+// Check if the user has selected a language
+if (!empty($_SESSION['user_language'])) {
+    $config['language'] = $_SESSION['user_language'];
 }
-$lan_file = $root_path . File::pathFixer('system/lan/' . $config['language'] . '.json');
-if (file_exists($lan_file)) {
-    $_L = json_decode(file_get_contents($lan_file), true);
-    $_SESSION['Lang'] = $_L;
+
+if (empty($_SESSION['Lang'])) {
+    if (empty($config['language'])) {
+        $config['language'] = 'english';
+    }
+    $lan_file = $root_path . File::pathFixer('system/lan/' . $config['language'] . '.json');
+    if (file_exists($lan_file)) {
+        $_L = json_decode(file_get_contents($lan_file), true);
+        $_SESSION['Lang'] = $_L;
+    } else {
+        $_L['author'] = 'Auto Generated by iBNuX Script';
+        $_SESSION['Lang'] = $_L;
+        file_put_contents($lan_file, json_encode($_L));
+    }
 } else {
-    $_L['author'] = 'Auto Generated by iBNuX Script';
-    $_SESSION['Lang'] = $_L;
-    file_put_contents($lan_file, json_encode($_L));
+    $_L = $_SESSION['Lang'];
 }
 
 
diff --git a/system/autoload/Lang.php b/system/autoload/Lang.php
index c6328293..e037bf60 100644
--- a/system/autoload/Lang.php
+++ b/system/autoload/Lang.php
@@ -10,7 +10,12 @@ class Lang
 {
     public static function T($key)
     {
-        global $_L, $lan_file, $config;
+        global $_L, $lan_file, $root_path, $config;
+
+        if (empty($lan_file)) {
+            $lan_file = $root_path . File::pathFixer('system/lan/' . $config['language'] . '.json');
+        }
+        
         if (is_array($_SESSION['Lang'])) {
             $_L = array_merge($_L, $_SESSION['Lang']);
         }
diff --git a/system/autoload/Validator.php b/system/autoload/Validator.php
index c435fe95..a5e02091 100644
--- a/system/autoload/Validator.php
+++ b/system/autoload/Validator.php
@@ -325,6 +325,6 @@ class Validator
     public static function containsKeyword($string, $keywords = ['mikrotik', 'hotspot', 'pppoe', 'radius', 'dummy'])
     {
         $regex = '/' . implode('|', $keywords) . '/i';
-        return preg_match($regex, $string);
+        return preg_match($regex, strtolower($string));
     }
 }
diff --git a/system/boot.php b/system/boot.php
index 67101234..374a5b24 100644
--- a/system/boot.php
+++ b/system/boot.php
@@ -46,6 +46,7 @@ $ui->assign('_domain', str_replace('www.', '', parse_url(APP_URL, PHP_URL_HOST))
 $ui->assign('_url', APP_URL . '/?_route=');
 $ui->assign('_path', __DIR__);
 $ui->assign('_c', $config);
+$ui->assign('user_language', $_SESSION['user_language']);
 $ui->assign('UPLOAD_PATH', str_replace($root_path, '',  $UPLOAD_PATH));
 $ui->assign('CACHE_PATH', str_replace($root_path, '',  $CACHE_PATH));
 $ui->assign('PAGES_PATH', str_replace($root_path, '',  $PAGES_PATH));
diff --git a/system/controllers/accounts.php b/system/controllers/accounts.php
index 373cce22..1c40cef8 100644
--- a/system/controllers/accounts.php
+++ b/system/controllers/accounts.php
@@ -37,7 +37,7 @@ switch ($action) {
                 }
                 $user->password = $npass;
                 $turs = ORM::for_table('tbl_user_recharges')->where('customer_id', $user['id'])->find_many();
-                foreach($turs as $tur) {
+                foreach ($turs as $tur) {
                     // if has active plan, change the password to devices
                     if ($tur['status'] == 'on') {
                         $p = ORM::for_table('tbl_plans')->where('id', $tur['plan_id'])->find_one();
@@ -239,6 +239,28 @@ switch ($action) {
         r2(U . 'accounts/profile', 's', Lang::T('Phone number updated successfully'));
         break;
 
+    case 'language-update-post':
+        global $root_path;
+        $selected_language = _req('lang', 'english');
+
+        $_SESSION['user_language'] = $selected_language;
+
+        $lan_file = $root_path . File::pathFixer('system/lan/' . $selected_language . '.json');
+
+        if (file_exists($lan_file)) {
+            $_L = json_decode(file_get_contents($lan_file), true);
+            $_SESSION['Lang'] = $_L;
+        } else {
+            $_L['author'] = 'Auto Generated by iBNuX Script';
+            $_SESSION['Lang'] = $_L;
+            file_put_contents($lan_file, json_encode($_L));
+        }
+
+        r2($_SERVER['HTTP_REFERER'], 's', ucwords($selected_language));
+
+
+        break;
+
     default:
         $ui->display('a404.tpl');
 }
diff --git a/system/controllers/autoload_user.php b/system/controllers/autoload_user.php
index 78b51c14..be1fc66b 100644
--- a/system/controllers/autoload_user.php
+++ b/system/controllers/autoload_user.php
@@ -21,7 +21,7 @@ switch ($action) {
             $p = ORM::for_table('tbl_plans')->find_one($bill['plan_id']);
             $dvc = Package::getDevice($p);
             if ($_app_stage != 'demo') {
-                try{
+                try {
                     if (file_exists($dvc)) {
                         require_once $dvc;
                         if ((new $p['device'])->online_customer($user, $bill['routers'])) {
@@ -36,7 +36,7 @@ switch ($action) {
                     } else {
                         die(Lang::T('-'));
                     }
-                }catch (Exception $e) {
+                } catch (Exception $e) {
                     die(Lang::T('Failed to connect to device'));
                 }
             }
@@ -47,14 +47,31 @@ switch ($action) {
         break;
     case 'inbox_unread':
         $count =  ORM::for_table('tbl_customers_inbox')->where('customer_id', $user['id'])->whereRaw('date_read is null')->count('id');
-        if($count>0){
+        if ($count > 0) {
             echo $count;
         }
         die();
     case 'inbox':
         $inboxs = ORM::for_table('tbl_customers_inbox')->selects(['id', 'subject', 'date_created'])->where('customer_id', $user['id'])->whereRaw('date_read is null')->order_by_desc('date_created')->limit(10)->find_many();
-        foreach($inboxs as $inbox){
-            echo '<li><a href="'.U.'mail/view/'.$inbox['id'].'">'.$inbox['subject'].'<br><sub class="text-muted">'.Lang::dateTimeFormat($inbox['date_created']).'</sub></a></li>';
+        foreach ($inboxs as $inbox) {
+            echo '<li><a href="' . U . 'mail/view/' . $inbox['id'] . '">' . $inbox['subject'] . '<br><sub class="text-muted">' . Lang::dateTimeFormat($inbox['date_created']) . '</sub></a></li>';
+        }
+        die();
+    case 'language':
+        $select = _get('select');
+        $folders = [];
+        $files = scandir('system/lan/');
+        foreach ($files as $file) {
+            if (is_file('system/lan/' . $file) && !in_array($file, ['index.html', 'country.json', '.DS_Store'])) {
+                $file = str_replace(".json", "", $file);
+                if(!empty($file)){
+                    echo '<li><a href="' . U . 'accounts/language-update-post&lang=' . $file. '">';
+                    if($select == $file){
+                        echo '<span class="glyphicon glyphicon-ok"></span> ';
+                    }
+                    echo ucwords($file) . '</a></li>';
+                }
+            }
         }
         die();
     default:
diff --git a/system/lan/english.json b/system/lan/english.json
index 403a2b44..b1e78a05 100644
--- a/system/lan/english.json
+++ b/system/lan/english.json
@@ -722,5 +722,7 @@
     "in_here_too_": "in here too.",
     "Empty_this_to_use_internal_mail___PHP": "Empty this to use internal mail() PHP",
     "Mail_Reply_To": "Mail Reply To",
-    "Customer_will_reply_email_to_this_address__empty_if_you_want_to_use_From_Address": "Customer will reply email to this address, empty if you want to use From Address"
+    "Customer_will_reply_email_to_this_address__empty_if_you_want_to_use_From_Address": "Customer will reply email to this address, empty if you want to use From Address",
+    "You_will_get_Payment_and_Error_notification": "You will get Payment and Error notification",
+    "Languge_set_to_english": "Bahasa diatur ke bahasa Inggris"
 }
\ No newline at end of file
diff --git a/system/lan/indonesia.json b/system/lan/indonesia.json
index 962c844a..1b5413b3 100644
--- a/system/lan/indonesia.json
+++ b/system/lan/indonesia.json
@@ -567,5 +567,6 @@
     "Hotspot_Auth_Method": "Metode Otentikasi Hotspot",
     "Api": "Api",
     "Http_Chap": "Http-Bab",
-    "Hotspot_Authentication_Method__Make_sure_you_have_changed_your_hotspot_login_page_": "Metode Otentikasi Hotspot. Pastikan Anda telah mengubah halaman login hotspot Anda."
+    "Hotspot_Authentication_Method__Make_sure_you_have_changed_your_hotspot_login_page_": "Metode Otentikasi Hotspot. Pastikan Anda telah mengubah halaman login hotspot Anda.",
+    "Languge_set_to_indonesia": "Language set to indonesia"
 }
\ No newline at end of file
diff --git a/system/lan/spanish.json b/system/lan/spanish.json
index de937f54..44f8d904 100644
--- a/system/lan/spanish.json
+++ b/system/lan/spanish.json
@@ -373,5 +373,6 @@
     "Hotspot": "Hotspot",
     "Monthly_Registered_Customers": "Monthly Registered Customers",
     "Total_Monthly_Sales": "Total Monthly Sales",
-    "Active_Users": "Active Users"
+    "Active_Users": "Active Users",
+    "Languge_set_to_spanish": "Bahasa disetel ke bahasa Spanyol"
 }
\ No newline at end of file
diff --git a/ui/ui/app-settings.tpl b/ui/ui/app-settings.tpl
index fc756631..146a62b1 100644
--- a/ui/ui/app-settings.tpl
+++ b/ui/ui/app-settings.tpl
@@ -895,4 +895,4 @@ add dst-host=*.{$_domain}</pre>
         document.getElementById("tax_rate").addEventListener("change", toggleCustomTaxRate);
     });
 </script>
-{include file="sections/footer.tpl"}
\ No newline at end of file
+{include file="sections/footer.tpl"}
diff --git a/ui/ui/sections/user-header.tpl b/ui/ui/sections/user-header.tpl
index ffde8b59..eef5a52b 100644
--- a/ui/ui/sections/user-header.tpl
+++ b/ui/ui/sections/user-header.tpl
@@ -66,6 +66,15 @@
                 transform: rotate(360deg);
             }
         }
+
+        .dropdown-menu .dropdown-item {
+            margin-bottom: 5px;
+        }
+
+        .dropdown-menu .dropdown-item button {
+            margin: 0;
+            padding: 10px;
+        }
     </style>
 
     {if isset($xheader)}
@@ -87,10 +96,22 @@
                 </a>
                 <div class="navbar-custom-menu">
                     <ul class="nav navbar-nav">
+                        <li class="dropdown tasks-menu">
+                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="true">
+                                <i class="fa fa-flag-o"></i> <span class="d-none d-sm-inline">{ucwords($user_language)}</span>
+                            </a>
+                            <ul class="dropdown-menu">
+                                <li>
+                                    <!-- inner menu: contains the actual data -->
+                                    <ul class="menu" api-get-text="{$_url}autoload_user/language&select={$user_language}"></ul>
+                                </li>
+                            </ul>
+                        </li>
                         <li class="dropdown notifications-menu">
                             <a href="#" class="dropdown-toggle" data-toggle="dropdown" aria-expanded="false">
                                 <i class="fa fa-envelope-o"></i>
-                                <span class="label label-warning" api-get-text="{$_url}autoload_user/inbox_unread"></span>
+                                <span class="label label-warning"
+                                    api-get-text="{$_url}autoload_user/inbox_unread"></span>
                             </a>
                             <ul class="dropdown-menu">
                                 <li>