1. Download files
2. Unzip files
3. Copy files to your device
4. Launch FLY is FUN
5. Menu/Tools and info/Airspaces
6. Delete all Russia areas (long tap at UE, UH, UI, UL, UR, US, UU, UN, UW and press delete)
7. Menu / Import
8. Find and tap at RussiaControlledAirspaces.gia
9. Menu / Import
10. Find and tap at RussiaRestrictions.gia
Many thanks to Sergej for his help