Hey guys, while doin research on Tekin and Castle Creations ESCs and motors because I was lookin to be able to program the ESC via my smartphone. I had already pretty much had my mind made up to make the switch (when money was available) to Tekin cuz they already have a Hotwire bluetooth adapter and app for their ESCs for android phones until I happened to stumble upon an app in the play store for Castle ESC. I tried usin the app to connect to the stock Flux XS ESC (Vapor or Sidewinder V2) but it did not work the first couple tries. This last time I just tried I realized that the OTG adapter wasn't in all the way cuz of the case I have on my phone. I took the case off and retried to hook it up and it worked. I then proceeded to try it on my Mamba Max Pro and it worked on that too. The only thing you can't do via the app is update the firmware for the ESC, but all other programming options are there. It does have a disclaimer in the app description saying use at your own risk, so it's up to you. Here's a screen shot of the app.
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