diff --git a/src/pymax/mixins/auth.py b/src/pymax/mixins/auth.py
index 9b3f9a6..ccf9ebb 100644
--- a/src/pymax/mixins/auth.py
+++ b/src/pymax/mixins/auth.py
@@ -29,8 +29,48 @@
 class AuthMixin(ClientProtocol):
     def _check_phone(self) -> bool:
         return bool(re.match(PHONE_REGEX, self.phone))
-
-    async def request_code(self, phone: str, language: str = "ru") -> str:
+    
+    def _split_phone(self, phone: str) -> str:
+        placeholder = ""
+        result = ""
+        digit_index = 0
+        if phone.startswith("+7"):
+            result = "+7 "
+            placeholder = "000 000 00 00"
+        if phone.startswith("+375"):
+            result = "+375 "
+            placeholder = "00 000 00 00"
+        if phone.startswith("+994"):
+            result = "+994 "
+            placeholder = "00 000 00 00"
+        if phone.startswith("+374"):
+            result = "+374 "
+            placeholder = "00 000 000"
+        if phone.startswith("+995"):
+            result = "+995 "
+            placeholder = "000 00 00 00"
+        if phone.startswith("+996"):
+            result = "+996 "
+            placeholder = "000 000 000"
+        if phone.startswith("+373"):
+            result = "+373 "
+            placeholder = "0000 0000"
+        if phone.startswith("+992"):
+            result = "+992 "
+            placeholder = "00 000 0000"
+        if phone.startswith("+998"):
+            result = "+998 "
+            placeholder = "00 000 00 00"
+        phone = phone[len(result)-1:]
+        for char in placeholder:
+            if char == "0" and digit_index < len(phone):
+                result += phone[digit_index]
+                digit_index += 1
+            elif char == " ":
+                result += " "
+        return result
+
+    async def request_code(self, phone: str) -> str:
         """
         Запрашивает код аутентификации для указанного номера телефона и возвращает временный токен.
 
@@ -39,8 +79,6 @@ async def request_code(self, phone: str, language: str = "ru") -> str:
 
         :param phone: Номер телефона в международном формате.
         :type phone: str
-        :param language: Язык для сообщения с кодом. По умолчанию "ru".
-        :type language: str
         :return: Временный токен для дальнейшей аутентификации.
         :rtype: str
         :raises ValueError: Если полученные данные имеют неверный формат.
@@ -52,7 +90,7 @@ async def request_code(self, phone: str, language: str = "ru") -> str:
         self.logger.info("Requesting auth code")
 
         payload = RequestCodePayload(
-            phone=phone, type=AuthType.START_AUTH, language=language
+            phone=self._split_phone(phone), type=AuthType.START_AUTH
         ).model_dump(by_alias=True)
 
         data = await self._send_and_wait(opcode=Opcode.AUTH_REQUEST, payload=payload)
@@ -72,14 +110,12 @@ async def request_code(self, phone: str, language: str = "ru") -> str:
             self.logger.error("Invalid payload data received")
             raise ValueError("Invalid payload data received")
 
-    async def resend_code(self, phone: str, language: str = "ru") -> str:
+    async def resend_code(self, phone: str) -> str:
         """
         Повторно запрашивает код аутентификации для указанного номера телефона и возвращает временный токен.
 
         :param phone: Номер телефона в международном формате.
         :type phone: str
-        :param language: Язык для сообщения с кодом. По умолчанию "ru".
-        :type language: str
         :return: Временный токен для дальнейшей аутентификации.
         :rtype: str
         :raises ValueError: Если полученные данные имеют неверный формат.
@@ -88,7 +124,7 @@ async def resend_code(self, phone: str, language: str = "ru") -> str:
         self.logger.info("Resending auth code")
 
         payload = RequestCodePayload(
-            phone=phone, type=AuthType.RESEND, language=language
+            phone=self._split_phone(phone), type=AuthType.RESEND
         ).model_dump(by_alias=True)
 
         data = await self._send_and_wait(opcode=Opcode.AUTH_REQUEST, payload=payload)
diff --git a/src/pymax/mixins/socket.py b/src/pymax/mixins/socket.py
index e52fcb2..df3cf41 100644
--- a/src/pymax/mixins/socket.py
+++ b/src/pymax/mixins/socket.py
@@ -212,7 +212,7 @@ def _perform_ssl_handshake(self, raw_sock: socket.socket) -> socket.socket:
                 suppress_ragged_eofs=True,
             )
             wrapped.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
-            wrapped.setblocking(False)
+            wrapped.setblocking(True)
             return wrapped
         except ssl.SSLError as e:
             self.logger.error("SSL handshake failed: %s", e)
diff --git a/src/pymax/payloads.py b/src/pymax/payloads.py
index e94bb36..7ccd1ba 100644
--- a/src/pymax/payloads.py
+++ b/src/pymax/payloads.py
@@ -56,7 +56,6 @@ class UserAgentPayload(CamelModel):
 class RequestCodePayload(CamelModel):
     phone: str
     type: AuthType = AuthType.START_AUTH
-    language: str = "ru"
 
 
 class SendCodePayload(CamelModel):
diff --git a/src/pymax/static/constant.py b/src/pymax/static/constant.py
index 6feed26..23b53a4 100644
--- a/src/pymax/static/constant.py
+++ b/src/pymax/static/constant.py
@@ -76,11 +76,11 @@
 DEFAULT_LOCALE: Final[str] = "ru"
 DEFAULT_DEVICE_LOCALE: Final[str] = "ru"
 DEFAULT_DEVICE_NAME: Final[str] = choice(DEVICE_NAMES)
-DEFAULT_APP_VERSION: Final[str] = "25.12.14"
+DEFAULT_APP_VERSION: Final[str] = "25.21.0"
 DEFAULT_SCREEN: Final[str] = choice(SCREEN_SIZES)
 DEFAULT_OS_VERSION: Final[str] = choice(OS_VERSIONS)
 DEFAULT_USER_AGENT: Final[str] = ua_generator.generate().text
-DEFAULT_BUILD_NUMBER: Final[int] = 0x97CB
+DEFAULT_BUILD_NUMBER: Final[int] = 0x9E2A
 DEFAULT_CLIENT_SESSION_ID: Final[int] = randint(1, 15)
 DEFAULT_TIMEZONE: Final[str] = choice(TIMEZONES)
 DEFAULT_CHAT_MEMBERS_LIMIT: Final[int] = 50