Yugatech is giving away an O+ 8.12 this week and next week. How many? I don't really know but as what was posted in Yuga's blog, he got a number of O+ 8.12 to giveaway.
picture copied from Yugatech
O+ 8.12 specifications:
4.5-inch qHD display @ 960×540 pixels, 245ppi
MediaTek MT6577 1.0GHz dual-core processor
PowerVR SGX531 GPU
1GB RAM
4GB internal storage
up to 32GB via microsd card
Dual-SIM
3G/HSPA
Dual-SIM, Dual-Standby
HSDPA 7.2Mbps, HSUPA 5.76Mbps
WiFi 802.11 b/g/n
Bluetooth 2.1
8MP rear autofocus camera, VGA secondary camera
720p video @ 30fps
1,850mAh Li-Po battery
Android 4.0 Ice Cream Sandwich
For promo mechanics, head to O+ 8.12 Giveaway in Yugatech.
Update: Winners are posted here.
Do check out other promotions and sale for March>>