Use Volume Down or any custom button to start PTT (Push to Talk) for Walkie Talkie Apps like Zello and VoicePing.This app uses accessibility permission to detect a button press. You can select a volume button or a custom button to start a Push-To-Talk.Features- Compatible with Zello and VoicePing.- Push to Talk without unlocking your phone.- Accessibility Mode: Allow PTT as long as screen is switched on. Depending on your smartphone, this could even allow PTT even if screen is switched offPRO Features- Use a Custom Button (i.e SOS/Programmable/Camera buttons) for PTT- Use any supported PTT App (Normally only Zello and VoicePing)- Next Channel Button for apps that support changing channels- PTT Only when screen is ON: Useful if your PTT button is too sensitiveHow It WorksThe fastest way to start or reply to PTT1: Press Power button to wake up phone2: Hold Volume Down/Custom button to PTT in the previously selected Zello/VoicePing ChannelRequired Setup 1: Install Fast Talkie2: Enable Accessibility Permission3: Choose a Zello Contact or Channel4: Hold your selected PTT buttonVerified Phone models that work with custom button even when screen off- Samsung Xcover Pro, Samsung Xcover 5- Blackview SeriesPTT Intent generated by Fast Talkie- android.intent.action.PTT.down - android.intent.action.PTT.upReach out to us via our website: https://www.fasttalkie.com/