All winner A10 DEMO displayed

[andy4star]

demo has appeared on my daughters Allwinner A10 why and how do I get it off

 

[B. Diddy]

Welcome to Android Central! Do you mean there's a popup message that says Demo, no matter what screen is showing? Can you tell us the exact brand and model of your tablet? I believe AllWinner A10 is the name of the processor.