Samsung Electronics has announced quarterly revenue of 37.89 trillion Korean won (£20.41 billion), up 17% year-on-year. Consolidated operating profit for the quarter was a record 5.01 trillion won, up 88% on the same quarter in 2009.

The United Arab Emirates will suspend a number of online services used by BlackBerry devices - BlackBerry Messenger, BlackBerry email and BlackBerry web browsing – from 11th October, according to the UAE's official news agency.

The decision has been made by the UAE's Telecommunications Regulatory Authority (TRA), which has been concerned for a number of years that BlackBerry devices route these online services off-shore.

Broadband and fixed-line telephone provider TalkTalk – once part of The Carphone Warehouse – is preparing to launch its own mobile phone service on the Vodafone network. It's expected to offer 'pay monthly' voice and mobile broadband tariffs to its customers from the autumn.

Security researcher Karsten Nohl has released a software program called Airprobe that makes it much easier for people to test security (and potentially listen to calls) on their chosen mobile network. Airprobe enables users to record and then decode GSM mobile phone calls when used in conjunction with a computer, additional radio equipment and tables of data.

­Telefónica Europe, which runs O2 in the UK, says revenue reached €7.28 billion in the first half of 2010, up 10.8% year-on-year. It now has a total of 54.5 million customers in Europe, up 6.1% year-on-year. 45.2 million of these are on its mobile networks.

Telefonica O2 UK'S customer base (excluding Tesco Mobile) increased 4.5% year-on-year to 21.6 million at the end of June. The number of 'contract' customers was up 11.7% year-on-year.