@actunderdc My router was soft reset while flashing firmware, so I went through the entire setup again, which includes setting up a new password. IDK about downgrading to stable firmware though.

Life saved thanks to this beta firmware, much appreciate the TP-Link's support team for listening to our feedback.

SIM might be locked, try this. In advanced setting panel > network > PIN management > enter 0000 or 1234 > select automatically unlock > save changes. Doing so changes the SIM Card Status to "SIM...