Check out this 7″ dual-sim-GPRS MT6515 dual-core ARM Cortex-A7 based tablet with hot-swappable batteries that I found on the market in Shenzhen. I think you can get IPS for $10 more and 3G-capable dual-sim MT6577 for $10-$20 more. I like the hot-swappable batteries.
Filmed by http://mobilegeeks.com
