How to stop this alert on Telegram App:
- Open the Telegram application and move ahead to the Settings.
- After that, click on the Notifications and Sounds and search for Contact joined Telegram.
- Now, toggle it off by clicking on it.
How to stop alerts on Signal App:
- Open the Signal app and move ahead to the Settings.
- Now, click on the Notifications and search for Contact joined Signal.
- After that, click on it to turn it off.
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