Best Buy has dropped the price of the HTC One S to $99.99 with a two 2 year plan for a limited time. The promotion is good for either new and upgrade eligible accounts. The promotion is valid online only. T-Mobile’s HTC One S is one of the carrier’s best Android offers for the moment including on OLED display, advanced 8-megapixel camera, fast dual-core S4 processor, free cloud storage, Android 4.0, and a front camera for video chat. Regular price: $199.99. Shop & Save Today.