Alexa Dot Setup and Connect Echo Dot to WiFi

Alexa app will not connect to echo dot? which Alexa app do i need for echo dot? what Alexa app should i download for echo Dot? reset echo dot without Alexa app, New Tips & tricks to download the Amazon Alexa App for Echo Dot setup and Amazon Alexa setup,Setup Echo Devices (Amazon Echo setup, Echo Dot setup, Alexa dot setup, Amazon dot setup, Echo Show setup,etc.) by visiting alexa.amazon.com, alexa.amazon.app, alexa.amazom.setup and Amazon Alexa login.