Blutek via eBay offers the Unlocked Apple iPhone 5s 32GB 4G LTE GSM Smartphone in Space Gray, Gold, or White/Silver for $699.99 with free shipping. That's tied with last month's mention as the lowest price we've seen for an unlocked 32GB iPhone 5s, and it's $49 less than what Apple charges. Although unlocked, it's still only usable on GSM carriers such as AT&T and T-Mobile. Deal ends June 12 at 11 am ET.