Different model # for 16GB 4S

[aphexacid]

I cant seem to find any info on this, searching here brought up no results.

There are 2 different model #'s for the at&t iphone 4S black 16GB
MC918LL/A
MC922LL/A

Whats the difference?

 

[gladoscc]

MD237X white iPhone 4S here, 16GB... why less letters?

 

[aphexacid]

What carrier are you on?

 

[wordoflife]

Here are all (well, most) of them.

heres a break down of all us iPhones available, just look and you will see unlocked phones

New MC637 iPhone 3GS GSM 8GB $375.00
New MD128 iPhone 4 Black GSM 8GB $549.00
New MD146 iPhone 4 Black CDMA 8GB $99.00
New MD127 iPhone 4 Black AT&T 8GB $99.00
New MD198 iPhone 4 White GSM 8GB $549.00
New MD200 iPhone 4 White CDMA 8GB $99.00
New MD197 iPhone 4 White AT&T 8GB $99.00
New MD234 iPhone 4S Black GSM 16GB $649.00
New MD276 iPhone 4S Black Verizon 16GB $199.00
New MD377 iPhone 4S Black Sprint 16GB $199.00
New MC922 iPhone 4S Black AT&T 16GB $199.00
New MD241 iPhone 4S Black GSM 32GB $749.00
New MD278 iPhone 4S Black Verizon 32GB $299.00
New MD379 iPhone 4S Black Sprint 32GB $299.00
New MC923 iPhone 4S Black AT&T 32GB $299.00
New MD257 iPhone 4S Black GSM 64GB $849.00
New MD280 iPhone 4S Black Verizon 64GB $399.00
New MD381 iPhone 4S Black Sprint 64GB $399.00
New MD270 iPhone 4S Black AT&T 64GB $399.00
New MD237 iPhone 4S White GSM 16GB $649.00
New MD277 iPhone 4S White Verizon 16GB $199.00
New MD378 iPhone 4S White Sprint 16GB $199.00
New MC924 iPhone 4S White AT&T 16GB $199.00
New MD244 iPhone 4S White GSM 32GB $749.00
New MD279 iPhone 4S White Verizon 32GB $299.00
New MD380 iPhone 4S White Sprint 32GB $299.00
New MC925 iPhone 4S White AT&T 32GB $299.00
New MD260 iPhone 4S White GSM 64GB $849.00
New MD281 iPhone 4S White Verizon 64GB $399.00
New MD382 iPhone 4S White Sprint 64GB $399.00

USA FACTORY UNLK
MD234LL/A-16blk
MD237LL/A-16w

MD241LL/A-32blk
MD244LL/a-32w

MD2257LL/a-64blk
MD260LL/a-64w

AT&T
MC918../.-16b
MC920../.-16w

MC919../.-32b
MC921../.-32w

MD-269../.-64b
MD-271../.-64w

Verizon
MD-276../.-16b
MD-277../.-16w

MD-278../.-32b
MD-279../.-32w

MD-280../.-64
MD-281../.-64w

Sprint

MD-377../.-16b
MD-378../.-16w

MD-379../.-32b
MD-380../.-32w

MD-381../.-64b
MD-382../.-64w

Clarification the ../. LL/A- refers to Country code(LL)
C/A- canada
LL/A-USA
ZA/A-Singapore
ZP/A-Hong Kong

Not sure why they have different models, but it doesn't really matter.