Amazon or ebay, but the batteries are otherwise quite poor quality, at 14 months and 60 hours of flight, my two batteries broke down, which I had to throw in recycling. Caution with lipo batteries, they are easily flammable.
It may be best to calibrate your compass in the following circumstances:
1. The aircraft is unused for more than 30 days.
2. The App interface displays that the compass is interfered and the LED lights of the rear arms flash yellow slowly.
3. The aircraft experienced a slight drift during your...
Yes i have Google map app, and on left lower corner i have white screen no maps, on the right lower corner i have a chinese letters.
I'm sorry for bad english - drone was purchased on Germany.
Thanks for the advice