AP gone after putting in wrong wifi credentials

# Before you tell me, YES I read the docs that said **Triple check**

So I flashed tasmota lite, was very easy, thanks for this tool.

Issue is I typed in wifi name and then clicked checkbox looking thing next to password to turn it on and that must've submitted a blank password. So now it does not broadcast AP and my light switch doesn't work :(

Can I fix this at all OTA, or should I just swap it out and re-flash over serial?

No files, tests, or code entry points are mentioned. Start by determining whether the device can be recovered over the air after the blank Wi-Fi password, or whether serial reflashing is required; done means providing a confirmed recovery path for this situation.

Written by the indexing model from the issue text.