Technology

Tesco Mobile PAYG customers upgraded to 4G for free Anyone on Tesco Mobile with a compatible 4G smartphone should now get faster mobile data speeds

Resistive RAM breakthrough could mean 1TB smartphones University research breakthrough could mean significantly higher storage capacity in our smartphones and tablets

AOC i2473PWY The AOC i2473PWY is a good-quality monitor with built-in speakers and Miracast technology, but it needs more HDMI ports

Arcam airDAC An expensive but high-quality way of adding Airplay and and UPnP wireless music streaming to your speakers or hi-fi

40" Samsung H6400 Series 6 Smart 3D Full HD LED TV The Samsung UE40H6400 has good image quality for the price and all the Smart TV you need

Hands on with ... Nuance Dragon NaturallySpeaking 13 Premium We have a very productive chat with the latest voice recognition software

Serif: Affinity Designer, OS X and taking on Adobe We spoke to Serif's managing director to find out how development was going on its first professional graphics design tools for OS X

Apple iPhone has security 'backdoor' File left behind when iPhone is paired with a computer could give government snoops access to personal data

Nokia Lumia 530 scrapes barrel, costs €85 Microsoft unveils the Lumia 530, a new super-budget Windows Phone 8.1 handset that will launch in August

Serif Affinity Designer beta free on OS X Serif's free beta gives illustrators and graphic designers a significantly cheaper alternative to Adobe's Creative Cloud

Corel AfterShot Pro 2 High quality RAW processing, but the unambitious updates mean Adobe Lightroom is still the better buy

Vodafone to fill 100 rural 'notspots' Vodafone Open Sure Signal pledges to fill 100 rural 'notspots' and is asking communities to apply for a free 3G signal boost

Canon PowerShot G1 X Mark II The best image quality we've seen from a compact camera, and a well-rounded package too