stable service

Hello Telegram has stated in its FAQ section that: We currently have two types of notifications on Android: Google's Messaging cloud (GCM) and our own custom notification service that is independent of Google. Note that Google Notifications (GCM) may not work on some Android devices. Telegram...

Hello everyone I need a completely stable service to run the alarms and call the call to prayer at the right time. I tried a lot and tried the content of the site many times. I have encountered many problems. I also saw an example that took the coordinates and displayed it in the notifications...