Well that’s just not true. Anything electronic landing broken in NK would be scavenged for parts in 5 minutes. People in the countryside there don’t have access to new things like those in Pyongyang.
They probably turn in the balloons to the local authority after they take what they want. Then the local police take some and send it to the main headquarters. I’m sure it’s like drug shipments that start out at 10 kilos and end up at 2 kilos by the time it reaches the evidence locker.