Telstra customers were left unable to access mobile data or make calls after "human error" knocked out a call-switching node on the telco's network, causing a ripple effect across the country.

Some mobile malware types are able to record telephone and non-telephone (via applications) conversations, record audio and video directly from the device or even destroy or wipe the phone’s data.

Facing mobile data connectivity issue? In case you have dual SIM cards, it is a good idea to enable the option on the phone to choose from the best available network.