Cautions with the silicone are I would not spray it right from the can because it's going to get on everything and you dont want it anywhere else especially on any camera lens and theres 4 in the unit. Dont know how you would get it off the lenses.
Dont spray it do it goes on your floor! Its unbelievably slick and you could very easily be walking across the floor and next thing you know you fell and hurt yourself. I had to look up how to remove it as both my wife and I almost had separate slips. If you want the slickest floors for sock sliding go for it

Dont blame me for your broken limbs or concussion though

Moving on to the wifi module pull out the molex connector going to it and the 4 screws holding it. You will see the 2 wires fro. The wifi antennas connected to the board in 2 spots. These are easily removed by pulling straight up at the connectors and just snap on/off like a snap button. Make sure you have it nice and straight aligned before snapping back in place they take a but of force to snap back in. Theres really no reason to remove them unless you have a replacement board that doesnt come with the antennas. I just bought a used board and it's coming with the antennas attached. Cant help but wonder if I would get better reception if I added the 2 antennas from my failed board to those and fed the up the rear legs. Because they are simple 1 wire antennas I would expect much better wifi reception. Any comments on this? Could solder them to the other wires and try it. Would just need to change out the wires for longer ones or lengthen what's already there. Seem like regular wire to me and not anything special.
At this point you will be scratching your head as the wifi board seems to still be attached somehow and that's because there are 4 pads of varying sizes that have a bit of sticky to them that are still keeping it in place. From what I can tell they dont appear to be anything more than space makers to keep the board from touching the aluminum frame. No way they are thermal pads. You will just need to gently pull on the board to get it to separate from the frame. I did this whole disassembly twice as I decided I was going to take the wifi board from #4 to #5 as #5 looks like new.
When I pulled both boards away #4 left all the pads in place on the frame which was really nice and # 5 had the largest one stay on the board and it was easy to take it off and out it back in place on #4 frame as I'm going to replace that board. Happy to report #5 flew normal and was quite impressive with gusts just over 20mph yesterday. I have a vane annimometer to measure it myself. Just happened to have one from when I was working my commercial/industrial refrigeration job.
So where I am at this moment with my breeze drones is the only one not currently working is #4 but I have a used $25 wifi board coming by weeks end and it's already taken apart so it will take maybe 10 minutes to put back together. Seller claims it was fully working and I dont think they easily fail on their own.
On top of that I won an auction for another parts drone that just comes with the drone and the case for $36 free shipping that will likely mail today that's less than an hour away. I can see in the pics the bottom cover has a crack in it that I can repair and unfortunately is missing the ir glass piece. Drone #4 was missing both the ir and flow lenses but I was able to find a glass one for the flow in my Las ER r stuff and made a plastic one for the ir one. Looking around more I found 2 very slightly smaller clear glass pieces that I could replace the ir ones with as the ir sensor hoods are within the glass and a slightly larger one that I dont know if I can somehow dremel down without cracking that would fit perfect. I'm wondering about the coating on the original ones and if it's just an ir coating so I could buy a couple of cheap lenses on line to replace the clear ones with (plastics or glass depending on price) or not. I. Guessing yuneec wants lots of $ for them when I could just snatch up more parts drones for less $.
The reason why I paid the $25 for the used wifi board rather than waiting for the $36 parts drone #6 is everytime I buy a parts dtone they were easily repaired and if #6 comes easily repairable like #3, 4 and 5 then I wont still need a wifi board. What I'm finding is the average person purchasing a breeze has either no idea what to do for repair or doesnt have the skills or doesnt care yo even try or yuneec tells them it's going to be expensive to fix or just returns them or......
It's obvious that many larger ebay sellers are buying "lots" of things in "lots" for cheap and then reselling with minimum testing as they dont have the time or skills for repair. All about the $ and moving stuff quickly. A couple weeks ago right where I live maybe 15 minutes from me one of the pl places that I know that buys big lots of electronic stuff was selling something like 16 breeze for parts/repair for just over $300. If I knew then what I know now i could have likely repaired a lot of them or made quite the profit selling off the parts. No interest in selling stuff on ebay and for all I know they bricked all of them. Best reason not to buy them is I wouldnt sleep until I worked on all of them. I cant stand having things around that I know I can repair myself.
IF anyone wants me to replace a part for them I will do it for nothing more than maybe a set of OEM props as in just a 4 pack or $10 or nothing if your hurting for $. Only stipulations are I cannot be blamed for anything such as parts not working (I'm taking a chance myself on a used wifi board) and you obviously need to pay for shipping both ways. What I'm obviously saying is I cant be held accountable for what's wrong with your drone or the repairs it needs. Just because the 3 parts drones I've worked on so far were repairable doesnt mean that if you buy one on ebay it is also cheaply repaired. Going to be interesting reporting on what's actually wrong with the 6th one when it arrives. I give 98% chance that the used wifi board for drone #4 works and I already know that's all it needs.
Still thinking about some add on squishy feet for the breeze but dont like any of my solutions yet....
So about that irs board. I've seen multiple issues on that board on YouTube. I would say one of the problems is it should have had 3 screws to keep in place. There are in fact 3 screw holes but they only use one of them relying on the 4 pin solder connection to the board below it to keep it in place. This was a very poor decision on their part as solder connections are not supposed to be used for this purpose.
What I believe is happening with most of the issues you see when the irs warning comes up is those solder connections (or at least 1 of them) has intermittent contact due to the poor folder job. Either vibrations or impact has cracked the connections. I've seen many breeze videos where the irs glass has broken and it may be because the irs sensor metal that almost touches the glass has hit it. Drone $6 may one tomorrow may have this issue as that glass is gone. It can be repaired by desoldering the 4 posts and removing the board and soldering pins to the main board and resoldrring the irs board to it I would say but this shouldn't be happening to begin with.
IF you get the red irs error and you cant lift off because of it my bet is this is what has happened. Dont see how you are going to resolve the connections between the board as there isnt enough room. Its possible that you might be able to reflow it with a hot soldering iron but while knows. Dont think you will actually need a new board unless you really hit hard and manage to crack it or damage another component.
Watch out for the irs error when you fly when you shouldn't get it as it could indicate you have the solder connection issue. Intermittent irs errors would be a good indication of this.
I was just thinking you may be able to prevent the issue with some hot glue at the other corners although something like gorilla 5 minute epoxy would probably be better as it will still stick after shock.