If you are looking to fix a , do not use "Repair Neo2.9.zip." Instead, visit the DJI Download Center to get the official DJI Fly app or firmware assistant.
Before running any "Repair.exe" found in a zip file, scan it for malware. Legacy tools are often flagged by modern antivirus software even if they are safe, but it is better to be cautious. Repair Neo2.9.zip