{"action":"created","issue":{"url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1912","labels_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1912/labels{/name}","comments_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1912/comments","events_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1912/events","html_url":"https://github.com/mavlink/qgroundcontrol/issues/1912","id":109630645,"number":1912,"title":"Firmware upgrade sync error: \"Invalid sync response: 0x21 0x20\"","user":{"login":"bradsedito","id":1753697,"avatar_url":"https://avatars.githubusercontent.com/u/1753697?v=3","gravatar_id":"","url":"https://api.github.com/users/bradsedito","html_url":"https://github.com/bradsedito","followers_url":"https://api.github.com/users/bradsedito/followers","following_url":"https://api.github.com/users/bradsedito/following{/other_user}","gists_url":"https://api.github.com/users/bradsedito/gists{/gist_id}","starred_url":"https://api.github.com/users/bradsedito/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bradsedito/subscriptions","organizations_url":"https://api.github.com/users/bradsedito/orgs","repos_url":"https://api.github.com/users/bradsedito/repos","events_url":"https://api.github.com/users/bradsedito/events{/privacy}","received_events_url":"https://api.github.com/users/bradsedito/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-10-03T16:19:26Z","updated_at":"2015-10-03T17:02:24Z","closed_at":null,"body":"I'm having an issue trying to upgrade the firmware on my Pixhawk..  I keep getting the following when trying to upgrade my board: \r\n\r\n\"Error: Sync: Send Command: Invalid sync response: 0x21 0x20\"\r\n\r\nI saw there was a posted solution to a previous post about this same problem, but I can't seem to get any of said solutions to work. Any ideas? I'm losing sleep over this one."},"comment":{"url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/comments/145266481","html_url":"https://github.com/mavlink/qgroundcontrol/issues/1912#issuecomment-145266481","issue_url":"https://api.github.com/repos/mavlink/qgroundcontrol/issues/1912","id":145266481,"user":{"login":"bradsedito","id":1753697,"avatar_url":"https://avatars.githubusercontent.com/u/1753697?v=3","gravatar_id":"","url":"https://api.github.com/users/bradsedito","html_url":"https://github.com/bradsedito","followers_url":"https://api.github.com/users/bradsedito/followers","following_url":"https://api.github.com/users/bradsedito/following{/other_user}","gists_url":"https://api.github.com/users/bradsedito/gists{/gist_id}","starred_url":"https://api.github.com/users/bradsedito/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bradsedito/subscriptions","organizations_url":"https://api.github.com/users/bradsedito/orgs","repos_url":"https://api.github.com/users/bradsedito/repos","events_url":"https://api.github.com/users/bradsedito/events{/privacy}","received_events_url":"https://api.github.com/users/bradsedito/received_events","type":"User","site_admin":false},"created_at":"2015-10-03T17:02:24Z","updated_at":"2015-10-03T17:02:24Z","body":"Should have probably mentioned that first. Haha. Sorry about that. How do I go about nixing the modem manager? Terminal maybe?"}}