The App does not
work .
The App needs to be
updated .
Never use old versions of the App .
Check where updates are available in Google Play
or App Store .
The mobile/tablet runs
an Android version
older than 5 .1 or iOS
older than iOS 10 .
Update to an Android version earlier than 5 .1 and
iOS 10 or earlier .
No disk space .
Check that there is enough space available on the
mobile/tablet disk .
No GSM coverage .
Check that the mobile/tablet has GSM coverage .
Troubleshooting
: Simple self-help
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