Messaging infrastructureiMessage backends

Jailbroken iPhone workers

Use a device daemon and tweak to expose IMCore through the common backend contract.

Jailbroken iPhone workers — contract and behavior

  • The device path targets checkm8-vulnerable hardware and requires a tethered or semi-tethered operational model.
  • A Swift daemon and jailbreak tweak obtain the IMCore capability and translate backend calls and inbound notifications.
  • The server-side IphoneJbBackend implements the same Backend protocol as local providers.
  • Live fleet rollout remains constrained by hardware, jailbreak, provisioning, and reboot recovery rather than the HTTP API.

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