David Cogen

David opened a cell phone store on his college campus and started TheUnlockr.com as a personal tech blog back in 2009 along side. He gets an unnatural excitement out of showing others new things about their tech that they might not have known. Reach out to him on the following social networks and say hi.

How to Unroot the Samsung Galaxy S III (All Versions)(Video)

Need to return your Samsung Galaxy S III back to stock to send it in for warranty? Or maybe you just want to start over because you ended up modifying the phone a tad too much?Either way, you can easily use Odin, Samsung’s software flashing program, to flash a stock […]

How to Use the Blackberry Z10 (Navigating the OS)

Picked up a new Blackberry Z10 and have no clue how to use the darn thing? Well, considering it’s a redesign of Blackberry’s entire operating system, no one can blame you. Add on top of that the fact that they made sure to try and have differentiators from other popular

How to Root the Verizon Samsung Galaxy S III Running Android 4.1.2

After the OTA, it seems it’s a bit trickier to root the Verizon version of the Samsung Galaxy S III. Have no fear though, thanks to developers over at XDA, it’s now possibly and pretty easy in fact. Here’s a step by step guide for rooting your Verizon Galaxy S

How to Force Desktop Version of Websites on the Blackberry Z10

Sometimes the mobile version of a website just doesn’t cut it. On top of that some mobile sites don’t have a button to switch back to their desktop version. What do you do? Well, it isn’t readily available but there is a quick option in the settings for forcing the

How to Sync Your Google Tasks on the Blackberry Z10

You’ve finally got your Google contacts to sync on the Blackberry Z10 but not you’d really like your Google Tasks to work as well. No problem, with a little help from a third-party app ported over from Android into Blackberry App World, you can sync your Google Tasks pretty seamlessly

How to Sync Your Google Contacts on the Blackberry Z10

Maybe you wanted to try out the new Blackberry Z10 or maybe work just forced you to switch it it. Either way, if you are coming from an Android device, first thing you’ll want to know how to do? Get those Google Contacts to load into the phonebook and make

How to Enable Adobe Flash on the Blackberry Z10

One thing that Blackberry did manage to add to their newest flagship device, the Blackberry Z10, is the ability to play Flash in the browser. Unfortunately, Blackberry also disabled Flash by default, so you have to go turn it on before it’ll work. Don’t worry though, it’s really easy to

How to Take a Screenshot on the Blackberry Z10

Testing out the new BlackBerry Z10? Wish there was an easy way to share the screen when it messes up or doesn’t do what you expected so your friends can have a laugh? Same here. Turns out BlackBerry had this in mind themselves and it’s quite easy to take a

How to Undervolt the Nexus 4 (Gain 2 Hours of Battery Life)

There are a lot of ways to increase your Nexus 4’s battery life. Traditional methods of power saving include dimming the screen, turning off vibration and disabling background data, but all of these take features away from your phone. The process of undervolting — lowering the amount of power your

How to Jailbreak the Apple iPhone 3G on iOS 6.1.2 (Video)

*In the video we use an iPhone 4 on 6.1.1 to demonstrate the procedure, the procedure is identical to the way to do it for any iPhone on 6.1.2 as well. Maybe you’ve read our New Here section? Maybe you’ve seen a friend’s iPhone that was jailbroken and decided you wanted that

How to Jailbreak the Apple iPhone 3GS on iOS 6.1.2 (Video)

*In the video we use an iPhone 4 on 6.1.1 to demonstrate the procedure, the procedure is identical to the way to do it for any iPhone on 6.1.2 as well. Maybe you’ve read our New Here section? Maybe you’ve seen a friend’s iPhone that was jailbroken and decided you wanted that

How to Jailbreak the Apple iPhone 4 on iOS 6.1.2 (Video)

*In the video we use an iPhone 4 on 6.1.1 to demonstrate the procedure, the procedure is identical to the way to do it for any iPhone on 6.1.2 as well. Maybe you’ve read our New Here section? Maybe you’ve seen a friend’s iPhone that was jailbroken and decided you wanted that

How to Jailbreak the Apple iPhone 4S on iOS 6.1.2 (Video)

*In the video we use an iPhone 4 on 6.1.1 to demonstrate the procedure, the procedure is identical to the way to do it for any iPhone on 6.1.2 as well. Maybe you’ve read our New Here section? Maybe you’ve seen a friend’s iPhone that was jailbroken and decided you wanted that

How to Jailbreak the Apple iPhone 5 on iOS 6.1.2 (Video)

*In the video we use an iPhone 4 on 6.1.1 to demonstrate the procedure, the procedure is identical to the way to do it for any iPhone on 6.1.2 as well. Maybe you’ve read our New Here section? Maybe you’ve seen a friend’s iPhone that was jailbroken and decided you wanted that