Hi blynk developers. it’s a good idea to add an option to set smartphone notification LED for blynk notifications and eventor. for example when DHT11 temp set to 30C then the phone LED indicator will be blue. 
thanks
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but often, you need to root your phone to get LED flashing
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ahah I meant LED indicator flashing , blinking as you preferred
so you often need to root
else you can tell blynk to send SMS,
this is what I do.
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