Xperia E, different product numbers

[effemmeffe]

what are the differences between the product code 1270-1874 and the product code C1505?

[Rickard]

C1505 is the model of the phone while 1270-1874 is the phones SI-number. The SI-number shows which market and operator the phone is made for.

[Cot88]

There are two Xperia E product model C1505 and C1504

The difference is what 3g/UMTS networks they support for different countries.

C1505:

UMTS HSPA 900, 2100

C1504:

UMTS HSPA 850, 1900, 2100