diff --git a/src/lbc/mixin/ad.py b/src/lbc/mixin/ad.py
index 0d2b550..b016a0a 100644
--- a/src/lbc/mixin/ad.py
+++ b/src/lbc/mixin/ad.py
@@ -18,5 +18,4 @@ class AdMixin:
             Ad: An `Ad` object containing the parsed ad information.
         """
         body = self._fetch(method="GET", url=f"https://api.leboncoin.fr/api/adfinder/v1/classified/{ad_id}", timeout=self.timeout, max_retries=self.max_retries)
-
         return Ad._build(raw=body, client=self)
\ No newline at end of file
diff --git a/src/lbc/mixin/session.py b/src/lbc/mixin/session.py
index 546f7c9..b346b9f 100644
--- a/src/lbc/mixin/session.py
+++ b/src/lbc/mixin/session.py
@@ -1,8 +1,9 @@
-from ..model import Proxy
-
 from curl_cffi import requests, BrowserTypeLiteral
 from typing import Optional
 import random
+import uuid
+
+from ..model import Proxy
 
 class SessionMixin:
     def __init__(self, proxy: Optional[Proxy] = None, impersonate: BrowserTypeLiteral = None, request_verify: bool = True, **kwargs):
@@ -11,6 +12,27 @@ class SessionMixin:
         self._impersonate = impersonate
         super().__init__(**kwargs)
 
+    def _generate_user_agent(self) -> str:
+        # LBC;iOS;26.2;iPhone;phone;01234567-89AB-CDEF-0123-456789ABCDEF;wifi;101.44.0
+        # LBC;Android;11;Android SDK built for arm64;phone;0123456789ABCDEF;wifi;100.85.2
+        # LBC;<OS>;<OS_VERSION>;<MODEL>;phone;<DEVICE_ID>;wifi;<APP_VERSION>
+        os = random.choice(["iOS", "Android"])
+        if os == "iOS":
+            os_version = random.choice(["18.0", "18.1", "18.2", "18.3", "18.4", "18.5", "18.6", "18.7", "18.7.3",
+                    "26.0", "26.1", "26.2"])
+            model = "iPhone"
+            device_id = str(uuid.uuid4())
+            app_version = random.choice(["101.45.0", "101.44.0", "101.43.1", "101.43.0", "101.42.1", "101.42.0", "101.41.0", "101.40.0", "101.39.0", "101.38.0"])
+        else:
+            os_version = random.choice(["11", "12", "13", "14", "15"])
+            model = random.choice(["SM-G991B", "SM-G996B", "SM-G998B", "SM-S911B", "SM-S916B", "SM-S918B", "SM-A505F", "SM-A546B", "SM-A137F", "SM-M336B",
+                    "Pixel 5", "Pixel 6", "Pixel 6a", "Pixel 7", "Pixel 7 Pro", "Pixel 8", "Pixel 8 Pro",
+                    "Mi 10", "Mi 11", "Mi 11 Lite", "Redmi Note 10", "Redmi Note 11", "Redmi Note 12", "POCO F3", "POCO F4", "POCO X3 Pro",
+                    "ONEPLUS A6003", "ONEPLUS A6013", "ONEPLUS A5000", "ONEPLUS A5010", "OnePlus 8", "OnePlus 9", "OnePlus 10 Pro", "OnePlus Nord"])
+            device_id = uuid.uuid4().hex[:16]
+            app_version = random.choice(["100.85.2", "100.84.1", "100.83.1", "100.82.0", "100.81.1"])
+        return f"LBC;{os};{os_version};{model};phone;{device_id};wifi;{app_version}"
+
     def _init_session(self, proxy: Optional[Proxy] = None, impersonate: BrowserTypeLiteral = None, request_verify: bool = True) -> requests.Session:
         """
         Initializes an HTTP session with optional proxy configuration and browser impersonation.
@@ -28,8 +50,6 @@ class SessionMixin:
         if impersonate == None: # Pick a random browser client
             impersonate: BrowserTypeLiteral = random.choice(
                 [
-                    "chrome",
-                    "edge",
                     "safari",
                     "safari_ios",
                     "chrome_android",
@@ -43,11 +63,13 @@ class SessionMixin:
 
         session.headers.update(
             {
+                'User-Agent': self._generate_user_agent(),
                 'Sec-Fetch-Dest': 'empty',
                 'Sec-Fetch-Mode': 'cors',
                 'Sec-Fetch-Site': 'same-site',
             }
         )
+        print(session.headers["User-Agent"], impersonate)
         if proxy:
             session.proxies = {
                 "http": proxy.url,
diff --git a/src/lbc/mixin/user.py b/src/lbc/mixin/user.py
index d0749a7..5e0aca0 100644
--- a/src/lbc/mixin/user.py
+++ b/src/lbc/mixin/user.py
@@ -23,5 +23,4 @@ class UserMixin:
                 pro_data = self._fetch(method="GET", url=f"https://api.leboncoin.fr/api/onlinestores/v2/users/{user_id}?fields=all", timeout=self.timeout, max_retries=self.max_retries)
             except NotFoundError:
                 pass # Some professional users may not have a Leboncoin page.
-
         return User._build(user_data=user_data, pro_data=pro_data)
\ No newline at end of file