We do n’t have confirmation on this beyond the word of a Czech - base developer who has tested it , but ostensibly Apple is blocking push notification services in on the side unlocked iPhones . However , we have examine it and it works .
The developer suppose the following :
agree to technical documentation , every Push covering has to call for the unique relic from the Apple ’s APNS server to identify the equipment it ’s run on . Thanks to that token , APNS server always have it off which gimmick is yours . The souvenir can be empathize as an IP speech — the waiter has to know where to ship the notification and for which program . APNS can also exchange your token regularly for higher reliability , so it ’s critical that the app requests the keepsake again on every start ( or when enabling the Push feature ) to replace the one-time one if new token is forced by APNS .
On anyunlocked iPhone , the app program requesting the token is stuck . APNS does not provide any reply at all and the software can either cancel the request all by robotic timeout or let exploiter wait with the proggress bar forever . Either way , the user will never receive any Push message , because APNS has not provided the relic .
However , I have an unlocked iPhone here in Spain and the push notification works dead — for illustration , with AIM . The stop , however , may be that my JesusPhone is using the prescribed Movistar internet , not a different one .
Whatever is the shell , can Apple lawfully obturate these push service to hoi polloi running iPhones on non - prescribed networks ? Would they be concerned in doing this on purpose — since unbolted iPhones is such a small part of units ? Or perchance it ’s just a technical bug ?
According to the developer , it does n’t matter : They fence that Apple has all the rightfulness to block services for these users — since they do n’t use the official carrier — even while it ’s hurt its ratings . However , they are asking Apple to provide a way to inform users with unlocked phones about why they do n’t get push service using third - party applications . [ PowerybaseviaAppAdvicevia9to5 ]
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