Apple iPhone 4s - 8/16/32/64GB - ALL COLORS Unlocked/AT&T/Sprint A1387

Many cellular carriers will no longer support devices running on old software even if they are unlocked. The device has been tested and works great.

iPhone 4s - Wikipedia

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APPLE IPHONE 4S - 8/16/32/64GB - ALL COLORS Unlocked/AT&T/Sprint A1387 $29.99 - PicClick

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Apple iPhone 4s - 32 GB - Black (AT&T) for sale online

APPLE IPHONE 4S / A1387 - White and Silver ( Verizon ) Smartphone $10.99 - PicClick

APPLE IPHONE 4S A1387 - 16GB Black (CDMA + GSM) - Locked - Great Condition! $14.99 - PicClick

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iPhone 4s 32GB iOS for sale

iPhone 4s 16GB Wi-Fi for sale