Why does establishing a connection to the desktop app or the web client fail?
If establishing a connection to the desktop app or the web client freezes at 60%, it’s not possible to connect computer and mobile device using WebRTC.
If you use the desktop app, please make sure you are using the latest version.
If you use the web client, make sure you use a supported browser, checkt that no browser plugin (such as an ad blocker) is disabling WebRTC, and reload the web client.
If you are behind a (corporate) firewall or are using a VPN, Deep Packet Inspection might block WebRTC.
Related articles
The following browsers are supported:
| Threema for Android | Threema for iOS | |
|---|---|---|
| Apple Safari |  |
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| Chromium | |
|
| Google Chrome | |
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| Microsoft Edge |
|
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| Mozilla Firefox | |
|
| Opera | |
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