diff --git a/app/models/config.py b/app/models/config.py
index 734165c..2e73f6d 100644
--- a/app/models/config.py
+++ b/app/models/config.py
@@ -37,8 +37,12 @@ def get_rule_for_selector(stylesheet: CSSStyleSheet,
 
 class Config:
     def __init__(self, **kwargs):
-        # User agent configuration
-        self.user_agent = kwargs.get('user_agent', 'LYNX_UA')
+        # User agent configuration - default to env_conf if environment variables exist, otherwise default
+        env_user_agent = os.getenv('WHOOGLE_USER_AGENT', '')
+        env_mobile_agent = os.getenv('WHOOGLE_USER_AGENT_MOBILE', '')
+        default_ua_option = 'env_conf' if (env_user_agent or env_mobile_agent) else 'default'
+        
+        self.user_agent = kwargs.get('user_agent', default_ua_option)
         self.custom_user_agent = kwargs.get('custom_user_agent', '')
         self.use_custom_user_agent = kwargs.get('use_custom_user_agent', False)
 
diff --git a/app/request.py b/app/request.py
index defbb93..41523e9 100644
--- a/app/request.py
+++ b/app/request.py
@@ -73,18 +73,31 @@ def send_tor_signal(signal: Signal) -> bool:
 
 
 def gen_user_agent(config, is_mobile) -> str:
-    # Define the Lynx user agent
-    LYNX_UA = 'Lynx/2.9.2 libwww-FM/2.14 SSL-MM/1.4.1 OpenSSL/3.4.0'
+    # Define the default PlayStation Portable user agent (replaces Lynx)
+    DEFAULT_UA = 'Mozilla/4.0 (PSP (PlayStation Portable); 2.00)'
 
     # If using custom user agent, return the custom string
     if config.user_agent == 'custom' and config.custom_user_agent:
         return config.custom_user_agent
 
-    # If using Lynx user agent
-    if config.user_agent == 'LYNX_UA':
-        return LYNX_UA
+    # If using environment configuration
+    if config.user_agent == 'env_conf':
+        if is_mobile:
+            env_ua = os.getenv('WHOOGLE_USER_AGENT_MOBILE', '')
+            if env_ua:
+                return env_ua
+        else:
+            env_ua = os.getenv('WHOOGLE_USER_AGENT', '')
+            if env_ua:
+                return env_ua
+        # If env vars are not set, fall back to default
+        return DEFAULT_UA
 
-    # If no custom user agent is set, generate a random one
+    # If using default user agent
+    if config.user_agent == 'default':
+        return DEFAULT_UA
+
+    # If no custom user agent is set, generate a random one (for backwards compatibility)
     firefox = random.choice(['Choir', 'Squier', 'Higher', 'Wire']) + 'fox'
     linux = random.choice(['Win', 'Sin', 'Gin', 'Fin', 'Kin']) + 'ux'
 
diff --git a/app/routes.py b/app/routes.py
index b33e6a5..65ab9d3 100644
--- a/app/routes.py
+++ b/app/routes.py
@@ -458,7 +458,9 @@ def config():
                     print(f"Setting custom user agent to: {config_data['custom_user_agent']}")  # Debug log
             else:
                 config_data['use_custom_user_agent'] = False
-                config_data['custom_user_agent'] = ''
+                # Only clear custom_user_agent if not using custom option
+                if config_data['user_agent'] != 'custom':
+                    config_data['custom_user_agent'] = ''
 
         # Save config by name to allow a user to easily load later
         if name:
diff --git a/app/static/js/controller.js b/app/static/js/controller.js
index 9f05e16..dbf1e9c 100644
--- a/app/static/js/controller.js
+++ b/app/static/js/controller.js
@@ -34,6 +34,20 @@ const setupConfigLayout = () => {
 
         content.classList.toggle("open");
     });
+
+    // Setup user agent dropdown handler
+    const userAgentSelect = document.getElementById("config-user-agent");
+    const customUserAgentDiv = document.querySelector(".config-div-custom-user-agent");
+    
+    if (userAgentSelect && customUserAgentDiv) {
+        userAgentSelect.addEventListener("change", function() {
+            if (this.value === "custom") {
+                customUserAgentDiv.style.display = "block";
+            } else {
+                customUserAgentDiv.style.display = "none";
+            }
+        });
+    }
 };
 
 const loadConfig = event => {
diff --git a/app/templates/index.html b/app/templates/index.html
index 5693300..bb5e6a9 100644
--- a/app/templates/index.html
+++ b/app/templates/index.html
@@ -231,8 +231,8 @@
                         <div class="config-div config-div-user-agent">
                             <label for="config-user-agent">User Agent: </label>
                             <select name="user_agent" id="config-user-agent">
-                                <option value="LYNX_UA" {% if not config.user_agent or config.user_agent == 'LYNX_UA' %}selected{% endif %}>Lynx Browser</option>
-                                <option value="" {% if config.user_agent == '' and config.user_agent != 'LYNX_UA' %}selected{% endif %}>Original (Random)</option>
+                                <option value="env_conf" {% if config.user_agent == 'env_conf' %}selected{% endif %}>Use ENV Conf</option>
+                                <option value="default" {% if config.user_agent == 'default' %}selected{% endif %}>Default</option>
                                 <option value="custom" {% if config.user_agent == 'custom' %}selected{% endif %}>Custom</option>
                             </select>
                         </div>
diff --git a/app/version.py b/app/version.py
index 58b4367..cbe105e 100644
--- a/app/version.py
+++ b/app/version.py
@@ -4,4 +4,4 @@ optional_dev_tag = ''
 if os.getenv('DEV_BUILD'):
     optional_dev_tag = '.dev' + os.getenv('DEV_BUILD')
 
-__version__ = '0.9.3' + optional_dev_tag
+__version__ = '0.9.4' + optional_dev_tag
diff --git a/charts/whoogle/Chart.yaml b/charts/whoogle/Chart.yaml
index 17085db..074e907 100644
--- a/charts/whoogle/Chart.yaml
+++ b/charts/whoogle/Chart.yaml
@@ -3,7 +3,7 @@ name: whoogle
 description: A self hosted search engine on Kubernetes
 type: application
 version: 0.1.0
-appVersion: 0.9.3
+appVersion: 0.9.4
 
 icon: https://github.com/benbusby/whoogle-search/raw/main/app/static/img/favicon/favicon-96x96.png