. you have to use an older version of assistan2, Upload files for free - DJI+Assistant+2+1.1.2_2.zip
if you had 13 channels you are on CE, if you have 11 channels you have FCC, 2.4ghz is the best for max range but more interference. settings-wifi tab on dji go4 4.1.15 mod app.
if you had 13 channels you are on CE, if you have 11 channels you have FCC, 2.4ghz is the best for max range but more interference. settings-wifi tab on dji go4 4.1.15 mod app.