@Ripon747 Check your router bottom sticker (details). There you should see what's the region of your firmware and router HW version. They should match with the FW file you downloaded to succeed with...

@prhandley This has been stated in the PLC FAQ - Q3.4 but as you mentioned - it may depend on individual wiring systems.

@bill-lancaster This sounds more like a powering issue. What kind of batteries you use to power the NodeMCU.

@FiGgS Here's your old thread regarding the same issue. You've stated that the issue has gone and asked the thread closed.

@g7styles Probably you should use the Firmware Version: 1.1.1 Build 20240822 Rel. 44461(5553) for recovery procedure. Since it's not published yet on the global english support portal contact your...

@Harshitsaiya If you forgot your router admin credentials you have to reset the RE to its factry defaults (press reset button for about 10 seconds) and re-configure from scratch.