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The following is a list of products manufactured under the Sony Ericsson brand. Most of the models have been released under multiple names, depending on region of release, currently usually indicated by a letter added to the end of the model number ('i' for international, 'a' for North America, and 'c' for mainland China), but indicated on some (mostly older) models by a slightly differing model number. Typically, there is one version for the European and US market, and another for the Asian market. However, some models have yet more versions.
Most "Walkman" branded models are also released as a non-Walkman version; such as Sony Ericsson W580 and the S500. These versions usually differ only slightly.

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