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 Check Your Voicemail

  Missed a call? Not sure how to check the message the person left you? Let us show you how in this new how to for people new to Android. Check out the video above for all the details. This is part of our Android 101 section. Head to the […]

How To Get 16 Windows Instead of 4 in Your HTC Browser on Android

  Kcbedo over at XDA managed to tweak the HTC Browser for Android so that you can have 16 webpages open instead of 4 (something that personally bothered me about the browser). With the help of TomLeeDesire, he was able to tweak the apk file for the browser and then

How To Get New Apps

One of the greatest thing about having a new smartphone these days, is all the apps you can download. Using the Market (Android’s version of the App Store on the iPhone), you can browse or search through tons of apps, try them all out, keep the ones you like and

How To Use Multitasking

First thing is first, multitasking on a phone is the ability to run multiple apps at the same time and, more importantly, the ability to move between those apps easily and quickly so you can get whatever you need done. Now, you may not know yet, but Android handles this

How To Setup Wifi (Wireless Internet)

  So maybe you have an Android phone now, but didn’t get the data plan cause you remember someone telling you something about being able to get free internet on the device whenever you’re in something called a “hotspot”. Only problem is, you have no clue what a hotspot is,

How To: Unroot the Motorola Xoom (Wifi or 3G) (One Click Method)

  I. Before You Begin 1. You must have rooted using our How To Root the Motorola Xoom (One Click Method). 2. This will erase everything on the device. 3. THIS ONLY WORKS ON US MODELS! Using on an EU model is dangerous, according to the programmers update. THANKS TO JASON

How To: Root the Motorola Xoom (WiFi or 3G) (One Click Method)

I. Before You Begin 1. This will erase everything on your device so please back anything important up before beginning. 2. THIS ONLY WORKS ON US MODELS! Using on an EU model is dangerous, according to the programmers update. THANKS TO JASON TYLER FOR THIS GREAT ONE CLICK APP and

HTC Thunderbolt Kernel Source Code Released

So according to an XDA member, he found the HTC Thunderbolt source code available for download on HTC’s developer site. This is great news for developers as it gives them access to everything they need to better their development on making custom ROMs, custom kernels, and even porting ROMs to

How To Use an Android Device

So you traded in your Motorola RAZR you’ve had for the last 5 years and got yourself a shiny new Android device? Problem is it sure doesn’t work like a RAZR, does it? Well, no worries, we’re here to help. Let us show you how to use your new Android

LG at CTIA: The Quantum, Revolution, G2X, and Optimus 3D

  LG had an elaborate booth at CTIA. Large TV’s that looked like cell phones rotated around on their own pedestals that were arched around a small stage like something from some futuristic version of Stonehenge. There was definitely no shortage of demo phones, either. There were maybe 12 or

TheUnlockr Featured on NPR Radio

Hey guys! TheUnlockr was featured on NPR radio this morning! NPR interviewed me about Android hacking/rooting in general (how it works, where it is headed, etc.) and about how to root the Nook Color in particular. If you care to take a listen and read the article, head over to