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 Use the 3D Scanner on the Samsung Galaxy Note10 Plus

Now that the Galaxy Note10 Plus has finally gone on sale, I figured I might share a few tips and tricks on my blog for anyone who might have just unwrapped their shiny new Note10 or Note 10 Plus in a short ongoing series. Today, I wanted to start with […]

Honor Vision Complete Walkthrough: The First HarmonyOS TV

While in China on a press trip Huawei invited us on, we got to see a few interesting devices they’re working on including some limited time with the Mate X, but also this guy: Honor’s new HarmonyOS-powered Honor Vision. Now, we were given a few demos and some limited hands-on

Samsung Galaxy Note 10 Plus Real-World Test

I do a real-world test of the Samsung Galaxy Note 10 Plus. Let’s compare the Note 10 Plus camera vs its top competitors as well as check in on the battery throughout the day and see how it does. Head here for the best price I could find on the

Huawei Mate X Complete Walkthrough: The Better Folding Phone?

I finally got some time, very limited time mind you, but some time with the Huawei Mate X. You know, the other folding phone. The one with the arguably more useful folding form factor. Yeah, that one. Well, I was in China on a press trip to learn more about

Back to School Tech (That’ll Actually Make Your Life Easier)

School season is upon us again and I’m here at a BestBuy to show you some back to school tech to make going back to school less, well, miserable. First up, let’s talk about probably the most important tech in your back to school arsenal: the laptop. This video was

Fossil Smartwatch Gen 5 Complete Walkthrough: New Flagship WearOS Watch?

The company behind one of my favorite budget smartwatches lately, the Fossil Sport (check out the video here) just released the fifth generation of their flagship smartwatch line up and happened to send me one. This is the new Fossil Smartwatch Gen 5 and since I have one, figured I’d

ASUS ROG Phone 2 Complete Walkthrough: Better In Every Way

While it is questionable if gaming phones are necessary, it sure isn’t stopping companies from launching them and packing them full with specs. This is the new ASUS ROG Phone II and it might be the highest spec phone out. While the original ROG Phone was already pretty impressive spec-wise,

How to Make a DIY Smart Home Security System (No Monthly Fees!)

We no longer live in a time wherein order to have a security system at home, you have to call the likes of ADT, Brinks, or some other giant security conglomerate to come and install expensive cameras, alarms, etc. and then charge you a ridiculous monthly fee to “monitor” your

How 5G Can Benefit You Right Now?

5G is a term we’re starting to hear about right now, and while there is a ton of cool things it will enable in the future that everyone is talking about, you might be wondering what you can do with 5G right now. Well, I’ve spent the last couple of

5 Best Features of ColorOS 6

Oppo’s own UI they put on top of their Android phones received a new update not too long ago–ColorOS 6. Now, full disclosure, Oppo reached out to me recently and asked if I would check it out. And, after some time with it on the Oppo Reno, I have to

I Had No Idea How Bad the Problem Was

DHL reached out and asked if I would take part in helping to clean one of the local rivers here in NYC and I was happy to take part. It was eye-opening. Here’s what happened. This Video was sponsored by DHL, but it is something I thought was interesting to

Video Wallpaper

How to Set a Video as Your Background on Android

Android has been able to set a Live Wallpaper for a long time. These are specially-packaged wallpapers that you can download from the Play Store and when you set them as your background, they have animations (or are full-blown video loops) that play in the background. But what if you