title_body: How to fix OSD displaying weird symbols I upgraded from betaflight 3.X to betaflight 4.1.X and now my OSD displays weird symbols.
  
  It seems to have replaced the crosshair. (The 3 L shapes in the center)
  
  
  
  Expected result:
  
  
  
  How can I fix it?
upvoted_answer: I fixed it by re-uploading the font to the flight controller.
  
  Some people report they need to power the quad with a LiPo for this to work. I did not need to.
  
  
  Go to Betaflight's "OSD" tab
  Click "Font Manager"
  Click "Upload Font"
  
  
  I'm now back with a normal crosshair.
  
  As @3k pointed out, 
  
  
    The reason for this is that the character set has changed between versions so it has to be updated on the copter.