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: See Where Apple has Been Tracking Your iPhone

  Curious where Apple has been tracking you? Want to know exactly when your iPhone checked in? Using a special open source program developers, Alasdair Allan and Pete Warden, have created a way for you to check to see where your iPhone has been tracked. You’d be surprised how far back the

How To Change the Keyboard on a Honeycomb Android Tablet

  Typing on your tablet just not what you hoped it would be? Want to change that on-screen keyboard to something that suits your needs? No problem. In this how to we show you how to do just that. Take the Android stock keyboard and replace it with any of

How to Flash a Custom Recovery on the Motorola Xoom

Now that we have access to the microsd access via a custom kernel, Koush has released his Clockworkmod recovery image for the Motorola Xoom. What can you do with a custom recovery, you ask? Well, you can create and restore backups of the entire system, ability to flash kernels, and

How To Make Your Wallpaper Constantly Change

  Sick of seeing the same wallpaper everytime you look down at your phone? Well, with a quick app from the Market, you can do just that. Simply download the wallpaper changing app, put images in a folder on your SD card, choose the interval to have the wallpapers change,

Honeycomb Custom ROM for the Desire HD Appears

Now, it’s not too functional, but it’s still great news nonetheless. zFr3eak over on XDA Developers has released a very alpha build of a Honeycomb (Android 3.0) ROM he is working on for the HTC Desire HD. What is working and what is not working are listed on the developer’s

How To Factory Reset the Blackberry Playbook

Blackberry Playbook having issues? Or just feel like starting from scratch? Well, here’s a quick how to on what to do in just such a case. Today, we’re going to show you how to factory reset your Blackberry Playbook and get it back to how it was out of the

How To: Enable the MicroSD Card Slot on Your Motorola Xoom

So even though Motorola hasn’t officially fixed the MicroSD card slot on the Xoom to enable it to work, some hard working developers at XDA Developers managed to fix it anyway. Here’s how to get it done. BIG THANKS TO THE TIAMAT TEAM AND BIG THANKS TO JASON TYLER FOR THIS

HTC Evo Gingerbread Official ROM Leaked

An XDA member posted a leaked test version of the official Gingerbread ROM for the Sprint HTC Evo that is supposed to come out soon. This version is a rooted version of what they believe is the official HTC update for the Evo. Nothing has been changed besides adding root

How To Use Gestures on the Blackberry Playbook

  What are gestures? Well, they are basically anything you do on the device involving touching it with your fingers. Things like tapping an icon, swiping across the screen, etc. are all gestures. Ah, but there is more. RIM, it would seem, added a few hidden gestures to the list,

How To Return an App and Get a Refund

Just like with most other purchases from retailers, apps can be returned for a refund if you don’t like them. Android handles this in a very basic way; you hav15 minutes to try out the app and decide if you want to keep it or not. Very straight forward and

How To Install Non-Market Apps / APKs

So maybe you don’t have the Android Market on your device, or maybe the app you want just isn’t in the Android Market for whatever reason. How do you install an app that isn’t in the Market? Well, Android uses these small files call APK’s to install your app in

How To Scan / Use a QR Code

So maybe you’ve seen one of these square barcodes that have a bunch of dots in them somewhere and wondered, “What the hell is that mess?” Well, that mess is called a QR code, which stands for Quick Reference Code. A QR code is basically a barcode like you find

How To Copy and Paste

  So for most I’m sure copy and paste is quite a basic feature, and well, it is. But it can be kind of tough getting used to how to do it on a device with a touchscreen instead of a mouse if you’re not sure how to do it.