2
If you mean IPhone 4S the difference is that 4S has Siri, which is like a voice assistant on your phone.
More durable, yes, if thats what you mean.
16s + 4s = 20s
16s + 4s = 20s
4S
How many 4s are in 36
16s + 4s = 20s
In AmericaiPhone 3GS (8gb) - FREE (with contract for AT&T)iPhone 4 (8gb) - $99iPhone 4S (16gb) - $199iPhone 4S (32gb) - $299iPhone 4S (64gb) - $399Unlocked iPhone 4S (16gb) - $649Unlocked iPhone 4S (32gb) - $749Unlocked iPhone 4S (64gb) - $849
iphone 4s
the 4 and the 4s are.
These are the current iPhone 4S US model numbers that I have found as well as a few sample international models.USA:Apple iPhone 4S 16GB White AT&T MC920LL/AApple iPhone 4S 16GB Black AT&T MC918LL/AApple iPhone 4S 32GB White AT&T MC921LL/AApple iPhone 4S 32GB Black AT&T MC919LL/AApple iPhone 4S 64GB White AT&T MD271LL/AApple iPhone 4S 64GB Black AT&T MD269LL/AApple iPhone 4S 16GB White Verizon MD277LL/AApple iPhone 4S 16GB Black Verizon MD276LL/AApple iPhone 4S 32GB White Verizon MD279LL/AApple iPhone 4S 32GB Black Verizon MD278LL/AApple iPhone 4S 64GB White Verizon MD281LL/AApple iPhone 4S 64GB Black Verizon MD280LL/AApple iPhone 4S 16GB White Sprint MD378LL/AApple iPhone 4S 16GB Black Sprint MD377LL/AApple iPhone 4S 32GB White Sprint MD380LL/AApple iPhone 4S 32GB Black Sprint MD379LL/AApple iPhone 4S 64GB White Sprint MD382LL/AApple iPhone 4S 64GB Black Sprint MD381LL/AUSA Officially Unlocked iPhone 4S:iPhone 4S - Unlocked (GSM) - 16GB Black Unlocked MD234LL/AiPhone 4S - Unlocked (GSM) - 32GB Black Unlocked MD241LL/AiPhone 4S - Unlocked (GSM) - 64GB Black Unlocked MD257LL/AiPhone 4S - Unlocked (GSM) - 16GB White Unlocked MD237LL/AiPhone 4S - Unlocked (GSM) - 32GB White Unlocked MD244LL/AiPhone 4S - Unlocked (GSM) - 64GB White Unlocked MD260LL/AInternational Examples:CANADA:Apple iPhone 4S 32GB Black MD241C/AUK:Apple iPhone 4S 32GB Black MD242B/AAustralia:Apple iPhone 4S 32GB Black MD241X/AIncoming search terms:mc924llmc918lliphone 4s serial numberMC918LL/Aiphone 4s model numbermd377llMC920LLmc920ll/amc919llmd242b