My Tello drone moving its self after flying

[salman94]

Hi tello pilots,

I am really worried about something which is happening unconditionally, actually when I am flying my tello drone, it's moving its self by its own and I am getting the warning on my phone as "tello vision positioning unavailable, land as soon as possible" , please can someone tell me what I do now ?

 

[Mattia Vessecchia]

Clean the sensor and verify if there is a good light

 

[Zeno]

Hi tello pilots,

I am really worried about something which is happening unconditionally, actually when I am flying my tello drone, it's moving its self by its own and I am getting the warning on my phone as "tello vision positioning unavailable, land as soon as possible" , please can someone tell me what I do now ?

If you got good ambient light and still happening do gravity calibration thats the easiest keep it Hover then calibrate for 15sec...if still not stable do..imu calibration the hard part for me lol or I'm just lazy xd