Some devices, including older mobile phones, will no longer be able to get service when Vodafone becomes the first of the three largest telcos to switch its 3G network off.
(On the other hand: ones that can only do 3G voice will suddenly get cheaper. Some of these might be fixable through changing to a provider that provides the correct firmware over-the-air and/or by flashing a new rom. Maybe)
Expect 2nd hand phone prices on eBay to spike.
(On the other hand: ones that can only do 3G voice will suddenly get cheaper. Some of these might be fixable through changing to a provider that provides the correct firmware over-the-air and/or by flashing a new rom. Maybe)