Help Hubsan X4

do you see the proper channels moving if you look at the output-channel page (not the main page) Throttle is channel 3.
if so, post your tx.ini and your model.ini

If it binds, then it should fly.

Well, using the supplied ini, my X4 seems to work fine.
When you turn on the X4 and then the Tx, you see the lights flash and then go solid blue, and the tx detects the hubsan and exits binding mode? If so that implies that the module is properly installed and that your X4 behaves in some way differently to mine.

We do use random channel selection, so you might try power cycling the Rx/Tx to see if that helps.
I guess it is possible that they blacklisted my Txid in recent versions, since I hardcoded it in the code, but that honestly seems unlikely. Someone posted some info in the protocol thread on RCGroups, maybe I'll find something there.

I can try some variations and see if any of them help, but since I can't reproduce the issue, it will be hard for me to debug.

I've built a test-build for you to try, but 1st you must move to the latest 'nightly' build, and install the nightly dfu and filesystem and test whether you still have the issues. Once you have the nightly installed and verified, you can install the following DFU which probably won't help, but you never know.

you need this too:
www.deviationtx.com/repository/Deviation...o8-902f21aea8fe.zip/

that should fix the display.

ignore the elf file.

But if it didn't work, I am not sure how to proceed

So it appears they changed the protocol.
Not much I can do to help except to get my hands on one of these new X4. Since there is no guarantee when ordering what I'll get, I'm not inclined to buy a 2nd.

So that leaves us with:
1) someone sells me one of their non-functional X4s
2) Someone (in the US) loans me one of their non-functional X4s
3) someone with a Logic Analyzer captures the traces so I can see the differences

That is interesting. so there is something in the protocol that I'm missing if they all work with the same Tx.
Sure if you want to loan me one of your boards, I'll take a look. I'll PM you the info

Anybody tried increase throttle channel scale? For example -110 ~ +110. It is possible that model ESC calibrated to more throttle travel and board doesn't initialise properly, it can consider that throttle is too high.

Also, you can try switch on Tx, full throttle, then connect flight battery, wait model initialisation, then lower throttle to minimum and disconnect battery. Sometimes it helps calibrate ESC in others micro models.