Amazon.de has accidentally, maybe on purpose, leaked information about the upcoming Samsung Galaxy S III smartphone, expected to be launched at the Samsung Unpacked event on the 3 May in London.

In a listing that appeared on Friday, the German division of the online retailer has detailed some of the specs of the upcoming phone.

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It is not sure at this time whether those specs are real or just the retailer guessing based on previous rumours.

Amazon.de lists the Samsung Galaxy S III has featuring a 4.7-inch Super AMOLED screen, 16GB of storage and a microSD card slot.

The phone will also pack a 12 megapixel camera according to Amazon.de and as you would expect run Android 4.0 Ice Cream Sandwich.

Eagle-eyed readers will note that those specs are different from the leaked video on Tinhte during the week.

Tinhte, which claimed it had a pre-production model, said it had a 4.6-inch screen.