My NodeMCU works very well with Blynk app. however once power is removed it require re-flash what can i do for this?
Hmm sounds like you are booting in flashing mode, on power connect can you measure voltage on gpio0/d3, if it goes or stays low without you pushing flash button, then it sounds like your board or flash button is defect.
Thank you fetteewl. i resolved the issue.
What was the issue?