Use APKPure App
Get APN SETTINGS old version APK for Android
Apn configurate your mobile android
Configura el apn de tu dispositivo movil
si lo has perdido ya sea por instalar una rom, o porque no venia por defecto puedes configurarlo.
Configure the apn of your mobile device
If you have lost either to install a rom, or because it did not come by default you can configure it.