Wifi si disconnette in standby e non arrivano più le notifiche

Ciao a tutti. Ho notato che con il wifi attivo e i dati cellulare disattivi, dopo un minuto dal blocco, l'iphone non riceve più alcun tipo di notifica. Ho aggiornato ad iOs 6.1 e la situazione è rimasta uguale a prima. Anche a voi si comporta in questo modo o devo seguire qualche procedura per risolvere questo problema? Grazie a tutti!

ri-ciao a tutti. Ho finalmente trovato la soluzione al nostro problema..
mi scuso anticipatamente per i bruschi modi usati in precedenza..ma ero parecchio nervosa..
dopo aver letto su tanti forum le svariate teorie ed aver provato alcuni tentativi, ho sciolto il nodo:
il wi-fi non si disconnette, come erroneamente credevamo tutti, rimane comunque attivo, ma ad un livello inferiore.
il fatto che quando riattiviamo il telefono non ci sia più il simbolo del wifi, ma appaia il 3G, è dovuto al semplice fatto che non essendo più il "wi-fi completo", al 100% diciamo, il dispositivo non lo riconosce, e passa in automatico in 3G..arrotonda per difetto..
faccio una piccola premessa: io ed il mio ragazzo abbiamo letto ed effettivamente notato che il wi-fi viene "smorzato" solo dopo qualche istante che il dispositivo è messo in stand-by (un 15 secondi circa); se infatti si prova a riattivarlo subito, entro pochi secondi, il wi-fi è ancora attivo, mentre se si attende qualcosa come 15-20 secondi abbiamo visto che appena riacceso riparte in 3G, e dopo circa un secondo torna in wi-fi.
ho finalmente risolto ogni dubbio e ne ho avuto prova con un semplice escamotage:
ho usato il 4S del mio ragazzo (dove è ancora possibile disattivare il 3G): abbiamo tenuto il telefono con solo il wi-fi acceso. quindi in teoria, una volta in stand-by non avrebbe più modo di comunicazione dati..
l'abbiamo messo il stand-by, abbiamo aspettato qualcosina più dei canonici 20 secondi, e gli ho mandato un messaggio con whatsapp..come tutti sappiamo ha bisogno del traffico dati per poter funzionare..e senza il 3G attivo non sarebbe dovuto arrivare nulla..
beh, tempo alcuni secondi e gli è arrivato il messaggio, con l'iPhone in stand-by..
(abbiamo dedotto che questo lieve ritardo sia duvuto appunto al fatto che il wi-fi non è al 100%..)
comunque, il fatto che è arrivato ci ha incuriositi, quindi abbiamo provato con una mail, impostandone l'aggiornamento dell'iPhone 4S con aggiornamento push, ed è arrivata senza problemi..
abbiamo fatto vari tentativi (altre app di sms, iMessage (disattivando la funzioni "invia come sms"), tutti riusciti, quindi abbiamo dedotto che questo "problema" altro non è che una funzione del wi-fi impostata da mamma Apple..a 'sto punto credo sia per risparmare batteria..
mi sarebbe piaciuto però avere almeno la possibilità di poter scegliere come mantenere il wi-fi, o almeno che ci fosse stato comunicato in maniera diretta, senza perdere tempo (tutti quanti) e magari senza aggredirci per una sciocchezza..dico questo perchè presumo che se abbiamo un'app da più di 50-100 MB in download, che quindi richiede una connessione wi-fi, una volta che il dispositivo è in sleep-mode e si "smorza" il wi-fi, l'app non sia più scaricabile (infatti, non rileva il wi-fi).
appena abbiamo del tempo lo verifichiamo..o qualcuno l'ha già notato?!
..comunque, credo che finalmente la questione principale sia ormai chiarita.
ciao a tutti!!!

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