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 Show Only Unread Messages in Android Gmail App (Video)

One thing I don’t understand when it comes to the Gmail app for Android versus the one for iOS is the fact that the iOS one has the ability to display only unread messages while the Android one doesn’t. I use this feature on my web version of gmail since […]

How to Unlock an AT&T Moto X for Use on T-Mobile (Video)

Sick of waiting for the T-Mobile Moto X to launch? Well, if you were planning to buy it without a contract anyway, there is a way to get it right now. All you have to do is buy an AT&T version (new from Motorola directly without contract, or used via

How to Overclock the Sony Xperia Z (Video)

Want a bit more performance from your Sony Xperia Z? Overclocking, while sounding dangerous, might be a great solution for you. Essentially you are going to up the frequencies of the processor slightly above the stock levels to get that much more power from it without jeopardizing much since we

How to Remove Bloatware on the Sony Xperia Z (Video)

Sick of all the uncessary apps that T-Mobile or whatever carrier put on the device before you even turned it on? How about all the software that Sony put on that you know you’ll never use? Well, there is a way to get all of that used storage space back

How To Unroot the HTC One (Video)

Maybe you messed up your new HTC One? Maybe the SIM tray won’t accept your SIM and you want to send it in for warranty? Or maybe you just want to go back to stock after playing with rooted apps, ROMs, and the like? No problem. Using Hasoon2000’s toolkit, we

How to Change Siri to a Male Voice (Video)

If you’re a guy, there have been some studies that suggest you listen to a woman’s voice better than a man’s. Something about it being “easier on the ears” or something. So when Siri came out on the iPhone 4S and she called us master, sire, or whatever other weird

How to Use AirDrop on the iPhone in iOS 7 (Video)

One of the new features that Apple has added to the iPhone in iOS 7 is Airdrop. It’s safe to assume that they added this in order to compete with Android Beam and Android’s use of NFC. While it does achieve the same functionality, in some respect, it needs to

How to Downgrade from iOS 7 Back to iOS 6 on your iPhone / iPad

UPDATE: Thanks to Apple no longer signing the iOS 6 package and updates to iTunes, this procedure no longer works. Sorry, guys! Maybe you’re sick of playing around with iOS 7 or maybe you got stuck while trying to update to iOS 7? Either way you can easily get back

How to Update Your iPhone to the Latest iOS 7 Beta Version (Video)

So you already have iOS 7 Beta running on your iPhone? Thing is the latest Beta has been released and you have no clue how to update to get all those new (and quite necessary) bug fixes. No worries, it’s actually really easy if you already have iOS 7 installed.