These files are large, so be patient during the download.
Please read the readme.txt included in the ZIP
The XL series V4 frames are the achievement of Team iFlight Pilots, customers experience in FPV and the advancements of flight technology and improvement to onboard electronics. In the past few years, so many electronics advances make the XL frames to be updated again. In order to keep things compact, light and simple to be assembled. We kept 2 options for the flystack mounting(20*20mm & 30.5*30.5mm) to ensure the perfect fit for any and all of your flight hardware. Kept the arms swaps much more easily.
The main advantages of the XL series V4 are in the flight performance, the stronger and thicker arms. The XL series V4 frames fly balanced because of the true X configuration and wide stance. This main changings makes flight stability in the air.
Some content in menu 2.