Wifi range extender installation for DJI Phantom 4, 3 Pro & Advanced

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1.
Put controller on the soft mat.  
2.
Remove 4 rubber plugs; There are 4 screws.
   
   
 
3.
Use Phillips screwdriver to remove 4 screws.  
4.
After screws were removed, the next step is to remove hex head screws of USB cover.
   
   
 
5.
Use hex key to remove 4 screws.  
6.
Remove the cover.
   
   
 
7.
There are circuit board and flat cable connected.  
8.
Should take apart the flat cable before separate the controller shell.
   
   
 
9.
There is a black clip on the flat cable.  
10.
Flip black clip up, and remove the flat cable.
   
   
 
11.
Use hex key to remove the flat cable from black clip slowly and carefully.  
12.
After the flat cable was removed from black clip, you can separate the controller shell.
   
   
 
13.
Hold the handle to separate controller shell carefully; do not pull hard to avoid the inner plastic broken.  
14.
Open slowly; there is a power line connected with controller bottom shell.
 
   
 
15.
After controller shells were separated, you can see the power line was connected.  
16.
Unplug the power line.
   
   
 
17.
Remove the screw from upper left corner  
18.
Remove the screw from upper right corner.
   
   
 
19.
Because there is a flat cable connected, take out the control button and hang it on.  
20.
Same as step 19.
   
   
 
21.
There are two connectors of antenna cable on the right side of the controller.  
22.
Use flat blade screwdriver to unplug the connector.
   
   
 
23.
Use needle-nose pliers to clamp the end of antenna.  
24.
Pull out the antenna slowly to make the joint separate from mechanism; this step is difficult, please be careful.
   
   
 
25.
Pull out the antenna joint a little bit; because the cable is still on the mechanism, so can’t pull out the antenna totally.  
26.
Unscrew 4 screws of right side.
   
   
 
27.
Right side antenna cable was fixed by glue.  
28.
Use scissors or knife to cut the glue; be careful, do not cut the cable.
   
   
 
29.
Pull out the antenna.  
30.
Pass the cable assembly through the hole.
   
   
 
31.
Screw washer and nut slightly.  
32.
Use open-end wrench to tighten the nut.
   
   
 
33.
Put cable along the mechanism, if cable will not influence the operation of joystick, it will be okay.  
34.
Connection:
Left antenna cable plugs right hole.
Right antenna cable plugs left hole.
   
   
 
35.
Connector replacement is complete.  
36.
Assemble the controller shell.
   
   
 
※ NOTICE ※
Connect the power line before assembling the controller shell.
 
Flat cable should pass through the hole when assembling the controller shell.
 
When insert flat cable to the socket, please insert to the position and be careful.