Sony Ericsson Naming Explained
June 24, 2008 by Rico Mossesgeld
Filed under Cellphones
Thanks to whoever added some detailed Sony Ericsson naming info on Wikipedia. Just as the last two letter of BMW models indicate the vehicle’s displacement, there’s a story behind each Sony Ericsson name. Continue to read a snippet of the article, edited for readability.
The most common format uses a total of five (or six) characters, eg. K750i. This format begins with a capital letter to denote the series of the phone (K750i). This is then followed by three numbers (K750i).
The first number indicates the sub-series of the phone, the second indicates the amount of progression from the previous release, i.e. K700i to K750i, and the third number is always either a ‘0′ or ‘8′ and the letter ‘8′ is used either to show a variation of the phone destined for a different market without a feature , or it is used to separate phones which have identical specifications but the designs are different. Examples:
- The W888 is a W880i without 3G
- The K610i and K618i.
Finally, the lowercase letter at the end of the model name describes the market for which a product is intended; these are:
- a for the Americas,
- c for China,
- i for an international version
There is also an ‘im’ suffix used for branding i-mode phones. Often the last letter is left out to describe the phone generically with no region specific branding.
So much more details available on the Sony Ericsson Wikipedia article.

















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