Which drone is it? A 10 year old drone probably uses the DJI Go4 app, not DJI Fly. Download the Go4 app from DJI website - not from any appstore. When the drone is connected to your controller and phone you can update the drone firmware if you...
Some DJI drones uses LiPo, some uses Li-Ion, but as others have said they are all Lithium-Ion batteries.
The Mavic 4 uses LiNiMnCoO2 - Lithium nickel manganese cobalt oxides - which is also a Li-Ion.
The takeoff altitude (service ceiling) specification is quite conservative. For example the Mavic 3 has 6000 meters max service ceiling, but people have taken off from the top of Mt. Everest with it, and ascended to over 9000 meters above sea level.
I briefly contemplated climbing the tower, swinging hand over hand down the insulator covered "V" like a Gibbon monkey, tight-rope walking away from the tower on the transmission line at bottom center, and then balancing on the wire while...
No-one is unwittingly working for China.
This completely laughable myth has been around nearly as long as recreational drones have.
And still no-one has been able to prove that it's happening.
But that's not the point which is to scare folks into...