T-Mobile offers the used HTC One M8 32GB Android Smartphone for T-Mobile in Gunmetal Gray for $109.99 with free shipping. That's $20 under our February refurb mention and the lowest total price we've seen. (It's also $80 below the best price we could find for a new one.) This GSM phone features a 5" 1920x1080 (1080p) touchscreen, Qualcomm Snapdragon 2.3GHz quad-core processor, 2GB RAM, 32GB internal memory, front and rear cameras, 1080p HD video recording, 802.11n wireless, Bluetooth 4.0, and Android 4.4 OS (Kit Kat).
Note: A required SIM Starter Kit will be added to your cart for an additional $20 charge. No warranty information is provided.