Diagnostics Service

Diagnostics Service is a CoreDevice service reached through RSD and RemoteXPC. The client connects to com.apple.coredevice.diagnosticsservice.

Use It For

Connect through the iOS 17+ CoreDevice tunnel.
Call the typed CoreDevice client methods.
Use the matching tool command when one is registered.

Feature Flag

Cargo.toml

[dependencies]
idevice = { version = "0.1.64", features = ["usbmuxd", "rsd", "core_device"] }

Service Names

Path	Value
RSD	`com.apple.coredevice.diagnosticsservice`

Rust Example

src/main.rs

use idevice::{RsdService, core_device::DiagnostisServiceClient};

let mut client: DiagnostisServiceClient<_> = rsd_handshake
    .connect(&mut rsd_provider)
    .await?;
let response = client.capture_sysdiagnose(false).await?;
println!("{}", response.preferred_filename);

CLI Equivalent

Terminal

idevice-tools diagnosticsservice

Common Errors

Error	What to check
RSD service not found	The connected device did not advertise the CoreDevice service name.
RemoteXPC error	Check the CoreDevice action and payload shape used by the client.
Tunnel unavailable	Create the iOS 17+ tunnel before connecting to CoreDevice services over USB.

Diagnostics Service

Use It For

Feature Flag

Service Names

Rust Example

CLI Equivalent

Common Errors

Source

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