O2 and Virgin Mobiles are the only big operators that haven’t announced EU roaming charges

Sony’s latest smartphone is set for release at the end of this month

Meanwhile Tesco Mobile, EE and Sky Mobile among the best

Tesco Mobile remains in top spot, this time alongside BT Mobile, Sky Mobile and EE

Tesco Mobile, Sky Mobile and EE generated the fewest complaints

The merger could cause a ripple effect in the UK telecoms market say analysts

Complaints see quarterly rise due to increased call centre capacity

More data for contract and PAYG customers as well as DfE partnership

The main account holder has access to each individual plan Virgin Mobile has launched a Family Plan offer to give its customers a simpler way of managing multiple mobile plans. The plan is available exclusively to Virgin Media customers and provides a single account for multiple SIMs, with customers able to add up to five

The Ultimate Oomph bundle can be used by customers at home or on-the-go

The Huawei P Smart and Y7 are also now being ranged by the MVNO

The average mobile subscriber uses 2.5GB of data per month but is predicted to grow to 18GB by 2021

The MVNO that targets the asian market has operated on the Vodafone network for over 15 years

The MVNO said ZTE’s Blade series is a strong performer in its handset portfolio

Virgin Mobile France, in which Carphone has a stake, is to acquire Tele2 Mobile France for €56m (£51m)

Sprint Nextel agrees $483 million (£295m) purchase of MVNO Virgin Mobile