diff --git a/non_graf_installer/python-installer-v3.py b/non_graf_installer/python-installer-v3.py
new file mode 100644
index 0000000..e69de29
diff --git a/non_graf_installer/python-installer/ogupdater-v1.py b/non_graf_installer/python-installer/ogupdater-v1.py
new file mode 100644
index 0000000..98976f9
--- /dev/null
+++ b/non_graf_installer/python-installer/ogupdater-v1.py
@@ -0,0 +1,169 @@
+#!/usr/bin/env python3
+
+import subprocess
+import requests
+import json
+import sys
+import os
+import npyscreen
+
+# Configuración general
+REPO_BASE_URL = "http://ognproject.evlt.uma.es/debian-opengnsys/opengnsys-devel"
+RELEASES_URL = "https://ognproject.evlt.uma.es/debian-opengnsys/versions-dev.json"
+APT_LIST_PATH = "/etc/apt/sources.list.d/opengnsys.list"
+PACKAGES = ["ogrepository", "ogcore", "oggui", "ogclient", "ogboot", "ogdhcp"]
+
+# === Sección npyscreen ===
+
+class ServerURLForm(npyscreen.Form):
+    def create(self):
+        self.server_url = self.add(npyscreen.TitleText, name="Servidor de validación (URL completa):")
+
+    def afterEditing(self):
+        self.parentApp.server_url = self.server_url.value
+        self.parentApp.setNextForm("RELEASE")
+
+class ReleaseSelectorForm(npyscreen.FormBaseNew):
+    def create(self):
+        self.releases = self.parentApp.releases
+        self.listbox = self.add(npyscreen.TitleSelectOne,
+                                name="Releases disponibles",
+                                values=self.releases,
+                                scroll_exit=True,
+                                max_height=len(self.releases)+4)
+
+    def afterEditing(self):
+        selected_index = self.listbox.value[0] if self.listbox.value else None
+        self.parentApp.selected = self.releases[selected_index] if selected_index is not None else None
+        self.parentApp.setNextForm(None)
+
+class ReleaseSelectorApp(npyscreen.NPSAppManaged):
+    def __init__(self, releases):
+        self.releases = releases
+        self.selected = None
+        self.server_url = None
+        super().__init__()
+
+    def onStart(self):
+        self.addForm("MAIN", ServerURLForm, name="Configuración inicial")
+        self.addForm("RELEASE", ReleaseSelectorForm, name="Selecciona una release", releases=self.releases)
+
+def choose_release_and_server(releases):
+    app = ReleaseSelectorApp(releases)
+    app.run()
+    return app.selected, app.server_url
+
+# === Funciones principales ===
+
+def get_installed_packages():
+    installed = []
+    for pkg in PACKAGES:
+        try:
+            subprocess.run(
+                ["dpkg-query", "-W", "-f=${Status}", pkg],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.DEVNULL,
+                text=True,
+                check=True
+            )
+            installed.append(pkg)
+        except subprocess.CalledProcessError:
+            continue
+    return installed
+
+def get_installed_versions(packages):
+    versions = {}
+    for pkg in packages:
+        try:
+            result = subprocess.run(
+                ["dpkg-query", "-W", "-f=${Version}", pkg],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.DEVNULL,
+                text=True,
+                check=True
+            )
+            versions[pkg] = result.stdout.strip()
+        except subprocess.CalledProcessError:
+            versions[pkg] = None
+    return versions
+
+def fetch_available_releases():
+    try:
+        response = requests.get(RELEASES_URL)
+        response.raise_for_status()
+        data = response.json()
+        return data.get("versions", [])
+    except requests.RequestException as e:
+        print(f"[ERROR] No se pudo obtener la lista de releases: {e}")
+        sys.exit(1)
+
+def update_repo_file(selected_release):
+    line = f"deb {REPO_BASE_URL}/{selected_release} noble main\n"
+    print(f"[INFO] Escribiendo nueva línea en {APT_LIST_PATH}:\n{line.strip()}")
+    try:
+        with open(APT_LIST_PATH, "w") as f:
+            f.write(line)
+    except PermissionError:
+        print("[ERROR] No tienes permisos para escribir en el archivo del repositorio. Ejecuta el script como root.")
+        sys.exit(1)
+
+def check_compatibility(server_url, installed_versions, selected_release):
+    payload = {
+        "installed_versions": installed_versions,
+        "target_release": selected_release
+    }
+    try:
+        response = requests.post(server_url, json=payload, timeout=5)
+        response.raise_for_status()
+        result = response.json()
+        return result.get("compatible", False), result.get("message", "")
+    except requests.RequestException as e:
+        print(f"[ERROR] No se pudo contactar con el servidor de validación: {e}")
+        return False, str(e)
+
+def update_and_install(installed_packages):
+    try:
+        subprocess.run(["sudo", "apt", "update"], check=True)
+        subprocess.run(["sudo", "apt", "install", "-y"] + installed_packages, check=True)
+        print("[INFO] Paquetes actualizados correctamente.")
+    except subprocess.CalledProcessError as e:
+        print(f"[ERROR] Error al instalar paquetes: {e}")
+        sys.exit(1)
+
+# === Entrada principal ===
+
+def main():
+    print("[INFO] Detectando paquetes instalados...")
+    installed = get_installed_packages()
+    if not installed:
+        print("[WARN] No hay paquetes opengnsys instalados.")
+        sys.exit(0)
+
+    print(f"[INFO] Paquetes detectados: {', '.join(installed)}")
+
+    releases = fetch_available_releases()
+    if not releases:
+        print("[ERROR] No se encontraron releases disponibles.")
+        sys.exit(1)
+
+    selected, server_url = choose_release_and_server(releases)
+    if not selected or not server_url:
+        print("[WARN] No se seleccionó release o URL del servidor. Cancelando.")
+        sys.exit(0)
+
+    print(f"[INFO] Validando compatibilidad con {server_url}...")
+
+    installed_versions = get_installed_versions(installed)
+    compatible, message = check_compatibility(server_url, installed_versions, selected)
+
+    if not compatible:
+        print(f"[ERROR] El servidor indica que la actualización no es compatible: {message}")
+        sys.exit(1)
+    else:
+        print(f"[INFO] Compatibilidad validada: {message}")
+
+    update_repo_file(selected)
+    update_and_install(installed)
+
+if __name__ == "__main__":
+    main()