We are covering the coolest key codes for Android that will enable hidden features and let you find out and do more with your smartphone.
* Tello wireless network services are provided on the Nationwide Sprint® Network.*
* Sprint is a trademark of Sprint.
* Not all devices containing the Sprint trademark are eligible; please contact your Tello representative to determine eligibility. Specific restrictions and exclusions apply. Some features of the device may not function properly when activated with Tello. Please ask your Tello representative about any limitations.