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14.07.2009.

Push me... not!

According to Czech iPhone developer PoweryBase, Apple are starting to block push notifications on iPhone’s which have been unlocked with 3rd party unlockers such as Purplesn0w and Ultrasn0w and are using carrier that normally wouldn’t be allowed. PoweryBase are the developers of the NotifyMe application that uses push notifications to offer reminders and to-do alerts to users on the go.
PoweryBase claim that when you use Push notifications, the iPhone contacts Apple’s servers to obtain a Unique ID to make the connection for Push notifications and the server are not giving the unique ID to 3rd party unlock phones.

When the Push based application such as NotifyMe requests an ID from APNS, the server responds within a second and identifies the device with the unique token. From that point, the connection between APNS and user’s device is successfully established,” said Pavel Serbajlo, PoweryBase’s lead developer. “However, on a unofficially activated device, APNS keeps the application wait forever and does not provide any respond at all, keeping user wait infinitely or time out the connection, if the target application is capable of timing out.

PoweryBase have recommended people with unlocked iPhones to not download any push enabled appilcation until a fix is found.

Dev Team have announced on their Twitter that they are working on a fix but for now, do not download push enabled app if you have a 3rd party unlocked iPhone.
"We have a trial fix for push notification on hacktivated iPhones http://bit.ly/FxBtZ . We’ll polish it up but need feedback."