What iOS and Android versions are Rebtel compatible with?
Our latest App versions are:
- 
Rebtel for iPhone: 6.51.1
 - 
Rebtel for Android: 6.54.0
 
 Our App works with the following OS versions: 
- iOS 15.0 and superior
 - Android 7.0 and superior
 
 OS stands for the operating system. This is the software that tells your phone how to operate. 
To find your Android OS version on your device:
- Open your device's Settings.
 - Tap About Phone or About Device.
 - Tap Android Version to display your version information.
 
To find your iPhone OS version on your device:
- Open your device's Settings.
 - Tap General.
 - Tap About.
 
* To update the software, click on "software update"
 A common cause for failed calls or bad quality calls is usually an old Android/iPhone OS version or an old Rebtel application version. Stay up-to-date!