How to fly a letter stealth? The method of setting flying letter stealth

1 in the mobile phone we first login mini fly, and then click on the right side of the "..." In the Download menu we click "Settings" click to enter

2 and then enter the list of settings we find "flying letter Details" and then click to enter as shown, here will see a "stealth landing fly", in the "stealth landing flying" on the tick, you can be invisible. Click to enter

Good some friends use is flying letter cloud chat version, but this letter cloud chat version is not yet out of this function, only the predecessor version of this function Oh.