Alexa is a virtual assistant which is very popular among people these days. If you want to know to set up your Alexa echo app on your mobile or tablet then just follow these simple steps:
• Connect your Echo with power supply.
• Then install the Amazone Alexa app on your mobile or tablet.
• Connect your mobile phone or tablet on Echo Alexa's wifi (or you can connect both of them on same wifi).
• Go to the Alexa app and choose set up a new device.
• Enter your Amazon username and password.
that's it you are ready to use your Alexa assistant or if this doesn’t work then call on the echo alexa customer service