The Android Flash Tool will ask for permission to access ADB keys in a pop-up window, which is necessary to install software on your phone. You’ll need to tap “OK” to proceed with this process.

Step two: Prepare PC to flash Now that you have all the software, you need to get both your PC and your T-Mobile OnePlus 6T ready for the flashing process. Let’s start with your PC.

For the Android 11 Developer Previews and Beta 1, Google has repurposed the Android Flash Tool to allow Pixel owners to install the pre-release software onto their phone.