

If that doesn’t solve the problem, see if a firewall or VPN is causing the issue. When I send an iMessage (blue) on my 4S it briefly says 'delivered' then quickly changes to not delivered and I have to resend it as a regular text (green) Then that goes through.
#SMS MESSAGES ON MAC NOT WORKING ANDROID#
You will find permissions allowed to Signal in Android Settings > Apps and Notifications > Signal > App Permissions.

If your message is stuck with the sending status and is not being delivered or you are not receiving messages, the first thing you need to do is check if the app has the necessary permissions to run the app. Another solution can be by restarting your device.

One common fix of iMessage not working on macOS 10.15 errors permanently is by quitting the iMessage app forcefully and restarting it after a while. Otherwise, your status will show as Offline. Not able to send or receive messages on Signal? Check it by going to Accounts from Preference under Messages option.
