Doug Lynch

Hi! I began using Android back in 2012 with the Nexus 4 and instantly became entrenched in the custom ROM community. The Android OS can feel overwhelming at times so I hope that my tutorials will be able to help those who need a little assistance learning the software.

galaxy s20 120 hz refresh rate display toggle

How to Enable the 120Hz Display on the Galaxy S20?

Samsung’s flagship smartphones come equipped with some of the latest smartphone display technology. The thing is, most of these features are turned off by default with the Galaxy S20, Galaxy S20+, and Galaxy S20 Ultra. One of its highly-requested features, the 120Hz display, is set to 60Hz by default but I can show you how to enable it. …

How to Enable the 120Hz Display on the Galaxy S20? Read More . . .

photo of the samsung galaxy s20 in download mode

How to Boot the Samsung Galaxy S20 in Download Mode?

With more people getting their hands on the Samsung Galaxy S20, Galaxy S20 Ultra, and Galaxy S20+, we’re going to see requests for how to boot into Download Mode. This is a special boot mode that Samsung uses on its Android smartphones and tablets which require you to press a couple of buttons during the boot cycle. Download …

How to Boot the Samsung Galaxy S20 in Download Mode? Read More . . .

ADB Push to Copy Files Folder

How to Copy a File from the Computer to Android with ADB Push

Most people will let their PC mount the smartphone automatically and then switch over to MTP mode (aka file transfer mode) to access files on the device. This isn’t possible in Android’s special boot modes though so let me show you how you can send files from your computer to your Android smartphone or tablet device with ADB. …

How to Copy a File from the Computer to Android with ADB Push Read More . . .

troubleshooting the adb_vendor_keys error

How to Fix the “ADB_Vendor_Keys” Not Set Error?

Quite often we’re using ADB and Fastboot tools to interact with our smartphone or tablet. This requires us to manually grant USB debugging permission when we connect the phone to the PC. We’re also given the option to save these keys for future reference. If they cannot be accessed then you’ll see an ADB Vendor Keys error. You’ll …

How to Fix the “ADB_Vendor_Keys” Not Set Error? Read More . . .

samsung bixby app page

How to Disable and Uninstall Samsung’s Bixby Assistant?

Samsung announced it would launch Bixby, its digital personal assistant, with the Galaxy S8 series. Many features were brought over from S Voice and the company has added many more throughout the years. Lately, they have been pushing it even harder with an added hardware button but I want to show you how to uninstall it. Relatively speaking, …

How to Disable and Uninstall Samsung’s Bixby Assistant? Read More . . .

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