- Join
- Jun 28, 2017
- Messages
- 20
- Age
- 75
Updated the latest firmware to Spark, RC, and battery via wifi. Rebooted Spark, everything worked fine. Tried to update 2 more batteries but got "Cannot Take Off" in red at top of screen. Check on aircraft status page got "Unknown error (code:129) Cannot takeoff. Contact DJI support." Will not start up with these 2 batteries. Any suggestions?