Does anyone have experience getting Telegram to work on GrapheneOS? I tried installing both the official Telegram app from Aurora Store as well as the Telegram-FOSS app from F-Droid, but both fail to get me through the initial setup.
When I open the app and enter my phone number on the set-up screen, it prompts me a verification screen where I can enter a code that should be sent to my SMS/phone call. It asks for permission to do calls/read call logs, which I denied, so I manually need to enter a code that should be sent through SMS/call. However, no SMS or call comes through to give me a verification code that I need to complete the set-up. (I tried two different numbers, both have proper reception).
The interesting thing is that when I disable my VPN (I use Mullvad), a security shield icon shows up on the set-up screen of Telegram, but it loads forever after entering my phone number and this time it does not show the verification input screen at all.
What I have not yet tried is to install Google Play services. Could it be that I need to both disable my VPN and install Google Play Services just to get that verification SMS to work? If so, I hope there's another way, since I prefer not to use the Google Play Services on my main user account.
PS: I know, Telegram is not the best app in privacy land due to the lack of proper E2E, but I need it to reach certain contacts... Contact Scopes all the way, once I get it to work! ;)