You need to connect to the Internet every once in a while for the app to validate your license. Once you do and restart the app, this message won't be there

Interesting, first time I'm hearing that's the issue but I sure will have to keep that in mind from now Glad you got it working again!

huwaei p30 does support USB host mode. You can try plugging it that card reader in and see if your phone detects it indeed. When you connect your USB cable, Android should ask if you want to open ALDLdroid. If it doesn't, either your phone isn't detecting the cable or the cable isn't FTDI. If it was...

The app is not detecting your cable because it would uses USB before Bluetooth if available. Either the cable is not using an FTDI USB chip or your Android device doesn't support USB host mode most likely.

What is the message at the bottom left of the screen saying when you try to connect to your ECU ?

It should be a folder path that looks like this: /Android/data/com.sgiroux.aldldroid/adx. Android changed things and I had to adapt the folder path to support their new things, thats a year or two ago I believe

Pretty much yes, there is some flexibility there so it's not too annoying but at some point it has to connect to WiFi.

Sweet, happy to hear it! Thanks for sharing the great experience with the app, always a great source of motivation

The licensing thing can be a bit annoying but a necessary pain I suppose.

I had to modify some stuff around the Moates hardware detection when I added the NVRAM stuff and the plan was to go back to the AutoProm (and/or Ostrich) and test that but I forgot. I do have a bunch of Moates hardware around so I will be able to test, sounds easy enough to reproduce but I will let ...

Oh geez... I'm going to get that figured out next week, sorry :/ Thanks for reporting this issue.