Hi everyone  ,i noticed  today that my Phantom 2  was kind of unstable and after it got up to about 60 feet  it started  to descent by itshelf  without to touch anything in the controller ,any one has experience the same problem ?

When was the last time you calibrated everything ?
What firmware are you using ?
What has changed since your last successful flight ?

johnwarr@live.c Posted at 2015-5-6 13:20
When was the last time you calibrated everything ?
What firmware are you using ?
What has changed si ...

it was long time since i calibrate  everything and i am using the DJ Phantom assistant  3 ,nothing really chance  since the last time ,unless is the battery needs to be 100%  

You may have had experienced a landing due to battery level.  What were the LEDs indicating?
The copter will land if the battery level is getting too low.

joe@heliflightc Posted at 2015-5-6 22:04
You may have had experienced a landing due to battery level.  What were the LEDs indicating?
The co ...

i understand  ,but the battery was with 2 bars ,you think this maybe the problem  ? i should try with a full battery  ?

Yes,  Definitely try a full battery.  Also when flying try to keep and eye on what the status LEDs are doing.   You camn find a full explanation of the status lights meaning in the manual.  This can help determine what is going on.