Received my ZTE 820D (Demo Unit) this morning from Andrew's e-store this morning ; as always lightning fast reply and delivery.

Had tried it out for almost 2 hours and found out the speed and stability are better than my current Sierra Aircard 754s. For the value (less than RM200) to this DEMO unit, I think it's worth every single penny you paid and it still looks 'new' and clean. I won't regret that's for sure !

I strongly recommend this and the seller too.