There is always a risk of people losing service or devices being disconnected from the network, mobile operators make significant attempts to minimize this, but there will always be devices that are left out.

Dimitris Mavrakis

Ultimately, 4G is a lot better than 3G, this is why it's being phased out.

Dimitris Mavrakis

These connected devices are at a greater risk of being disconnected from the network but individual vendors do spend time to alert their users that their 3G systems will be decommissioned shortly.

Dimitris Mavrakis