A new quick-access gesture in the latest Lollipop build turns on the phone’s flashlight with a wave of the wrist.

Motorola on Friday began pushing out an Android software update to its current flagship smartphone, the second-generation Moto X. This isn’t just any old update, mind you, but one with a cool new feature.

As part of Android 5.1, Motorola has introduced a new Moto Action gesture that turns on the phone’s flashlight. Clunkily called “Chop twice for Flashlight”on Motorola’s official website, you wave the phone in the air like you’re cutting an onion. This turns on the LED camera flash until you “chop” again to turn it off.

In addition to Motorola’s flashlight action, Android 5.1 provides a number of other enhancements, including stronger security for lost or stolen devices. Additionally, the update brings HD voice support and quicker access to Bluetooth and Wi-Fi settings.
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https://www.cnet.com/news/moto-x-2nd-gen-gains-flaishlight-gesture-in-android-5-1-update/