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Open Signal > Tap on your Account icon in the top left corner > Privacy > Toggle on Registration Lock. If you forget your Signal PIN, you'll be locked out of your account for seven days. Turning on Registration Lock will mean your Signal PIN is required to register your phone number with Signal again. Open the chat > Press and hold on the message you want to delete > Tap on the bin icon above the keyboard on iOS, or the bin icon in the top right on Android. You can delete a message after it's been sent, like you can on WhatsApp. Open Signal > Tap on your Account icon in the top left corner > Privacy > Toggle on Typing Indicators. Turning off Typing Indicators will turn them off for all chats and as with read receipts, you won't see them when messages are being typed either.
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Open Signal > Tap on your Account icon in the top left corner > Privacy > Toggle on Read Receipts. Turning off Read Receipts will turn them off for all chats and you won't see them for messages sent either. Time options are: 30 seconds, 5 minute, 1 hour, 8 hours, 1 day, 1 week, 4 weeks or Custom. Open the chat > Tap on the contact name at the top to access settings > Toggle Disappearing Messages on > Use the slider to choose the time you want the messages to disappear after. If you want the messages sent and received in a chat to disappear when they have been seen, turn the Disappearing Messages features on. Here are some other handy tips to get you started on Signal.
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You start a new chat by tapping on the pencil icon in the top right corner and select the contact from the list. Signal's interface is plain and simple, making it pretty straightforward to use. Pocket-lint How do you use Signal? 17 tips and tricks to get you started
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