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.

Unroot OnePlus 3

How to Unroot the OnePlus 3 & Get Back to Stock (Video)

Perhaps you want to sell your OnePlus 3, send it in for warranty or, you know, give it away. Regardless of the why, they how involves unrooting the OnePlus 3 and getting it back to stock. In this tutorial, I’ll walk you through installing the stock ColorOS ROM, then flashing […]

Root OnePlus 3

How to Root the OnePlus 3 (Video)

The OnePlus 3 is an amazing phone. Slick metal design, 6GB of RAM (not a typo and more than a PC in my house has), and a clean version of Android that just flies. Best of all? All of this is only $399 factory unlocked from OnePlus’ site. Now, even

Unroot HTC 10

How to Unroot the HTC 10 & Get Back to Stock (Video)

It happens to all of us. Sometimes there comes a time when you need to unroot your HTC 10. Maybe you messed it up with flashing too many custom ROMS, maybe you just want to sell it, or maybe you need to return it to HTC for warranty? Regardless of

OnePlus 3

OnePlus 3 Giveaway (Video)

Hey guys, partnered up with some other tech YouTubers to do another giveaway for you guys! This time we’re giving away a OnePlus 3. Check out the video for more details! Use the form below to enter, one winner will be chosen at random in 2 weeks from today and

Tips for Pokemon Go

6 Tips You Need to Know to Be Better at Pokemon Go

While doing “research” for my previous video on explaining the Pokemon Go phenomenon (aka running around NYC trying to catch ALL the Pokemon), there were a lot of tips I learned well into playing that I wish I knew when I started. Things to help you level up faster, catch

iOS 9.3.3 Cydia

How to Jailbreak iOS 9.3.3 (Complete Guide)(Video)

So it’s finally happened. Pangu, the trusted jailbreak developer team, has a jailbreak for iOS 9.3.3. Now, it isn’t without a few caveats, the biggest draw back of which is that it is a tethered jailbreak. Meaning that if you restart your phone you’ll lose the jailbreak (big bummer). Hopefully there will

iPhone 6 Battery Stock

How to Replace the iPhone 6 Battery (Complete Guide) (Video)

If you iPhone 6 won’t hold a charge anymore or it straight up just crapped out, it might be time to get a replacement battery. Essentially all batteries have a certain amount of charge cycles in them. When they start to get close to that number, they simply can’t work as

Pokemon Go Explained

Pokemon Go: Fully Explained (Video)

Unless you’ve been living under a literal rock this last week or so, you have undoubtedly heard about the latest game to go viral: Pokemon Go. This game has acquired more active users in less than a week than Twitter has in the 10 years since its inception and has

iPhone 5S Battery Stock

How to Replace the Battery on the iPhone 5S (Complete Guide) (Video)

Eventually it’ll happen. If you have your phone long enough, the battery life will just not be what it used to be. Instead of getting a brand new iPhone, why not replace the battery in your iPhone 5S instead? Apple might say that the battery is non-removable, but – enough effort

Predator G1 Gaming

Acer Predator G1 Gaming Desktop Will Now Include the New GTX 1080

Remember that sick looking monster of a gaming laptop I showed you back when? Well it just got a little more powerful. The Acer Predator G1 compact gaming desktop PC that was recently unveiled by Acer at their event back in April is now available for pre-order with the new

iPhone 5C Battery

How to Replace the iPhone 5C Battery (Complete Guide) (Video)

If you manage to not completely destroy your phone, there will undoubtably come a time when you will need to replace the battery on your iPhone 5C. Simply put, the batteries in our phones don’t have the longest lifespans and eventually they start to just lose their ability to hold

Your Own Snapchat Filter

How to Create Your Own Snapchat Filter (Easiest Method) (Video)

Snapchat filters. If you’re a user of Snapchat, you most definitely have seen them and there’s a good possibility you’ve even used one (maybe even inappropriately) –they’re those overlays that you can put on your photos when you swipe on the photo you just took in Snapchat. Did you know

OnePlus 3 Unboxing (Video)

My OnePlus 3 finally arrived and so, as is the protocol here on the internet, I figured I’d do a quick unboxing and tell you guys what it comes with and what it’s specs are. The phone is clad in an all metal body with curved edges that definitely lends

iOS 10 Widgets

The Best New Features in iOS 10 (Video)

With the announcement of iOS 10 this month, I’m sure a lot of you are wondering what’s new in the latest version of Apple’s operating system. From a completely revamped Messaging app to better notifications and a focus on widgets, here’s the best new features in iOS 10 that you can expect