Just came across your post and hope you found your mobile meanwhile.
Anyways - I wanted to suggest to update your TeamViewer to the latest version of TeamViewer 13 (if you have a license for it) and otherwise to TeamViewer 14.
The 13 BETA is meanwhile outdated and it is always the best to have the latest version installed.
I hope this avoids a stucking connection attempt next time you want to connect.
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