A reputable eBay seller is currently selling a refurbished Samsung Galaxy S5 SM-G900V for $179.99. This is the Verizon variant and it is unlocked for use with GSM providers such as ATT and T-Mobile, although you likely won't get LTE data speeds if used on either of the latter two networks, but rather HSPA+.
The Samsung Galaxy S5 SM-G900V features the following:
- 16 GB internal storage expandable by microSD with 2GB of RAM.
- 16 MP rear camera with a 2.1 MP selfie shooter
- 5.1" HD Screen
- 2800 mAh battery
- Supports the following bands:
2G: CDMA 800 / 1900 / GSM 850 / 900 / 1800 /
1900; 3G: CDMA2000 1xEV-DO / HSDPA 850 / 900 / 1900 / 2100; 4G: LTE band