| 摘要 |
A handheld mobile communication device having a physical keyboard with a first set of keys having indicia associated with the letters A-Z arranged in a standard alphabetic keyboard arrangement and a second set of keys having indica for the numerals 0-9. The numerals are arranged in a numeric phone key arrangement which is at least partially overlaid on the standard alphabetic keyboard arrangement. The second set of keys is differentiated from the keys of the first set using color.
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