Thanks a lot for your report! We are currently analyzing the problem with the highest priority. Can you send us logs from your device, please? Install AMS, bring it into the hanged state, go to Settings → About → Send Feedback and check everything on the page. Post here a name you’ve entered into the “Your name” field so I can find it.
Alternatively, you can just send me logs from your device, but that’s quite a lot of work if you already don’t have it setup.