T2 Macbook Pro can't be jailbroken - error -31 - Error -20

[Echeveria911]

Tell us about your setup:

1. What iDevice are you using?

2. Macbook Pro with T2 Chip || Model: A2289

4. On what version of iOS is it?

5. I don't know because i formatted the device

7. What version of checkra1n are you using?

8. 12.4

10. What is your host system (OS version? Hackintosh? VM? etc.)?

11. Ventura + Mojave

13. How are you connecting to the device (USB-A? USB-C? Apple/3rd party cable? Through a USB hub?)? USB-A+Type-C AND Type-C+Type-C

What are the steps to reproduce the issue? [02/26/23 06:53:44] : Waiting for DFU devices

• [02/26/23 06:53:55] : DFU mode device found
• [02/26/23 06:53:55] : Exploiting
• [02/26/23 06:53:55] : Attempting to perform checkm8 on 8012 10...
• [02/26/23 06:53:55] : Checking if device is ready
• [02/26/23 06:53:55] : == Checkm8 Preparation stage ==
• [02/26/23 06:53:55] : Stalled input endpoint
• [02/26/23 06:53:55] : DFU device disconnected
• [02/26/23 06:53:55] : DFU mode device found
• [02/26/23 06:53:55] : Setting up the exploit (this is the heap spray)
• [02/26/23 06:53:55] : == Checkm8 Setup stage ==
• [02/26/23 06:53:55] : Right before trigger (this is the real bug setup)
• [02/26/23 06:53:55] : Entered initial checkm8 state after 3 steps, issuing DFU abort..
• [02/26/23 06:53:56] : DFU device disconnected
• [02/26/23 06:53:56] : DFU mode device found
• [02/26/23 06:53:56] : == Checkm8 Trigger stage ==
• [02/26/23 06:53:56] : Checkmate!
• [02/26/23 06:53:56] : DFU device disconnected
• [02/26/23 06:53:56] : DFU mode device found
• [02/26/23 06:53:57] : == Checkm8 Trying to run payload... == **- [02/26/23 06:53:57] : If everything went correctly, you should now have code execution.
• [02/26/23 06:53:57] : DFU device disconnected
• [02/26/23 06:55:27] : Timed out waiting for bootstrap upload (error code: -20)** ...

What do you expect, and what is happening instead? I expected my device to be jailbroken so i can start using SSH

Did you see a popup on the device stating it entered "Safe Mode" due to an error? no

Does the issue also occur if you tick "Safe Mode" in the checkra1n options? yes

Any other info, error logs, screenshots, ...? I used Apple Configurator to restore my MacBook pro, so might it be that the new BridgeOS(2,21) doesn't work with checkrain?

[Echeveria911]

Please Help :(

[besendorf]

I have the same issue. I notices this line in the release notes but I don't understand what it is supposed to mean. "bridgeOS:

If you disconnect the cable, then as soon as macOS boots it’ll take over the USB connection and disallow communication with the T2

"