SpaceSpring is a new app that can make a Respring on a device using a bug in the notification process on iOS.
At the time I’m writing this, Apple just released iOS 10.3.2b1 and SpaceSpring work perfectly on it (app, widget & 3DTouch).
EDIT (27/04/17): works on iOS 4.0 – 10.3.2 b3
First, I have made an textview where is pasted the crash text, moved it out of storyboard in order to can’t make it your iPhone laggy and the app unusable.
Then I created a notification that include this textfield as body, and when you receive it: your iPhone do a respring !
The app works like this:
-Application launch -> it send 10 crafted notifications
-Make a respring
For the Widget & 3DTouch, it’s just an URL scheme to open SpaceSpring.
This bug can also be do via push notifications (remotely) but it’s more work. I have tried & it’s very laggy on the computer and the server don’t send the notif correctly. (Thanks to Joseph Shenton for this)