Mobile firm O2 is offering to save Three, EE and Vodafone customers up to £176 in a single month if they change to its network.

That’s because O2 offers free roaming inside the EU for people going on holiday and the operator says that the savings against the daily charges would put £176 back in your pocket across a month-long stay abroad as compared to Vodafone, Three or EE customers.

The implication here is for holidaymakers jetting off to Spain, France, Italy, Greece and other EU nations….