There are lots of queries on how to reset the pocket wifi, since I personally don't see anything like reset button.
So, here a very simply way to reset it, actually it's already been there ever since, you just have to be cautious on your device.
Step 1. Log-in to your SmartBro Pocket Wifi by opening your Internet Browser /Chrome/Safari/Opera/Mozilla FireFox
Type in 192.168.1.1
see example below
Step 2. Click on Settings > Device Settings > Reset and Click Reset Button
See Example Below
After done resetting your Smartbro Pocket Wifi, please set up your wifi password. Click Here