I'm trying something similar, I use astroberry as the hotspot and then use the SynScan app to configure the AZ-GTi to connect to that network. The thing is, I have to reconfigure this every time the mount starts up - it doesn't remember the previous setting. This means the steps for every use are:

1. power up the mount
2. change phone to SynScan_xxxx network
3. open SynScan app and connect to mount
4. change mount wifi settings (and they only "stick" about 1 in 5 tries so, I have to keep repeating the process till it works)
5. close the app
6. switch the phone back to the other network
7. re-open SynScan app and connect to mount
8. continue with setup in app or alignment with ekos

And if step 7 fails because the mount hasn't connected to the astroberry network, which it does often, then go back to step 2 and start over. Is this the same for others? Doesn't it seem reasonable that the mount should remember the last used network settings and fall back to its own network only if that fails?

At least once it does attach to the astroberry network, it gets the same IP each time so I don't have to reconfigure EQMOD driver each time.

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