Just check coupons out (with price alert and history). You probably want to know what is the best price?
5.5 inch, Android One, Snapdragon 625, 2.0GHz Octa Core, 4GB RAM, 64GB ROM, 3080mAh Battery, Dual 12.0MP Zoom Lens, Touch Sensor
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon code price check (UTC time):
Price history and price alert
It doesn’t make sense to generate price history chart, because there is one price record which is: $219.99.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).