Factory Unlocked iPhone 6S | Works on All Major US Networks including AT&T, T-Mobile & Verizon. Also compatible with Straight Talk, Mint, Boost Mobile, and other MVNOs.
Weighing a lightweight 143 grams (5.04 ounces) with a compact 4.7-inch design, this device runs on iOS 9 and is upgradable to iOS 15.7 for up-to-date performance.
seo optimize the following to be more [tone/style], and output only the revised version — no labels, explanations, or extra words.[/a]