• Untethered jailbreak for iOS 5.1.1 available for download

  Absinthe 2.0, the jailbreak for iOS 5.1.1, is ready and available for download, the Jailbreak Dream Team announced at the Hack in the Box conference in Amsterdam.

• Unthethered jailbreak for iOS 5.1.1 available for download

  Absinthe 2.0, the jailbreak for iOS 5.1.1, is ready and available for download, the Jailbreak Dream Team announced at the Hack in the Box conference in Amsterdam on Friday.

• Sony brings streaming music service to the iPhone

  Sony on Friday released an iPhone app to access its streaming Music Unlimited service, part of its efforts to expand its online platforms to devices from rival manufacturers.

• Smartphones with quad-core chips and 4G LTE coming soon

  Quad-core processors have not yet been combined with 4G LTE in smartphones, but that could change soon.

• Motorola Mobility has infringed Microsoft patent, says Munich court

  Google-owned Motorola Mobility has infringed a Microsoft patent related to SMS messaging, according to a ruling in the Munich regional court, which also dismissed a second case related to a localization patent.

• Digitize your music

  In my lifetime, music has been delivered on vinyl, cassettes, eight-track tapes, CDs, and audio DVDs. How do I listen to it now? Usually with a PC or a smartphone, and occasionally with an MP3 or other media player. I downloaded much of that music or ripped it from CDs, but the rest of it came from LPs and cassettes.

• iPhone 4 newbies: 10 essential tips and tricks

  You soon-to-be Verizon iPhone 4 customers can learn from the experiences of others. Take it from iPhone old-timers, you're about to enter a magical world of awesome apps running on the most simplistic, addictive device on the planet.

• Keeping track of your iPhone data usage

  When users had unlimited data there was no reason to be concerned with how or where that data was being consumed. Since AT&T dropped unlimited data in favor of tiered data caps, though, users have struggled to understand data usage, and now AT&T is faced with a law suit accusing it of systematically overcharging customers.

• Smartphone security: Keep your handset safe

  Once upon a time, a phone was just a phone: It simply made and received calls. The only security you worried about was if someone had picked up in the other room to listen in.

• Overclock your smartphone, if you dare

  WARNING: Overclocking is not for the faint of heart. Do not attempt to hack your phone unless you understand and accept the risks of turning it into a useless "brick."

• Near field communication use growing outside smartphones

  A growing number of smartphones have near field communication (NFC) capabilities to make mobile payments, but accessories and ultrabooks also now increasingly have the same technology.

• Location-based services: Are they there yet?

  Mobile users are more connected to the Internet than ever. As of December 2011, ComScore estimated that there are 97.9 million smartphone users in the US - nearly a third of the total population.

• Smartphone screens are getting bigger

  Smartphone screens are getting larger, although vendors will likely continue to offer many sizes to woo a wide variety of users.

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  Analysis: Why Linux is a desktop flop

  It's free, easier to use than ever, IT staffers know it and love it, and it has fewer viruses and Trojans than Windows.

• BYOD battle: A tale of two opposing IT viewpoints

  EdSouth is a bank holding company active in the student-loan arena, and Arrow Container Corp. manufactures cartons and containers. Their ideas about letting employees use their own mobile devices at work for business — what's often called "Bring Your Own Device" (BYOD) — couldn't be more different.

Whitepapers about consumer electronics

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  Two May Be Better Than One: Why Hard Disk Drives and Flash Belong Together

  This white paper will explore the need for a caching and buffering technology between DRAM and HDDs and why Flash memory can be used to fill this need. We will go on to look at various ways that Flash and HDDs can be combined in a computer storage hierarchy. These technologies to combine Flash memory and HDDs include hybrid HDDs, Flash on the computer motherboard, and a combination of Flash and HDD storage devices in the same computer – paired storage systems.