Tapo C210 WiFi Camera not Working. LED Indication is slow blinking Green- always.

Connection to the App is lost. RESET not working by pressing the button.

Also tried the following- 

1. Tried Multiple restarts and pressing re-set switch - Not recovering.
2. Tried pressing the RESET Switch, Still Slow Blinking Green. NOT going to Set UP mode (Red Green alternate).
3. Tried Manual Firmware Upgrade with SDCard. . After removing SD card and power OFF -ON. Still slow Green blinking. RESET also not working.

Please advise what to be done next !!!