According to the link that /u/mintplant provided, Signal asks for a lot more permissions than that: • find accounts on the device • read your own contact ca

According to the link that /u/mintplant provided, Signal asks for a lot more permissions than that: • find accounts on the device • read your own contact card • modify your own contact card • read calendar events plus confidential information • add or modify calendar events and send email to guests without owners' knowledge • find accounts on the device • read your contacts • modify your contacts • approximate location (network-based) • precise location (GPS and network-based) • read your text messages (SMS or MMS) • receive text messages (MMS) • receive text messages (SMS) • send SMS messages • edit your text messages (SMS or MMS) • directly call phone numbers • reroute outgoing calls • read call log • read phone status and identity • read the contents of your USB storage • modify or delete the contents of your USB storage • take pictures and videos • record audio • view Wi-Fi connections • read phone status and identity • send WAP-PUSH-received broadcast • receive data from internet • view network connections • create accounts and set passwords • pair with Bluetooth devices • send sticky broadcast • change network connectivity • connect and disconnect from Wi-Fi • disable your screen lock • full network access • change your audio settings • read sync settings • run at startup • set wallpaper • use accounts on the device • control vibration • prevent device from sleeping • toggle sync on and off