Nokia E55 is a mobile phone in the business segment, intended to be compact, yet suitable for writing e-mails and other longer texts on. This is accomplished by a so-called compact QWERTY keyboard with two characters per key. Designwise, the Nokia E55 is almost exactly identical to its twin, the E52, and both phones feature exactly the same specifications. The only difference lies in their keypad layout.
The E55 has 20 keys arranged in the standard QWERTY layout, but because each alphabet is not assigned its own key, typing is achieved either by using the predictive text input (where each key is typed once per word and the software automatically guesses the word you type using an internal dictionary) or using multitap. This form factor is relatively uncommon, with most modern mobile phones employing traditional T9 text entry or a physical or virtual full qwerty keyboard. The Blackberry Pearl range of devices share this keyboard form factor.
The phone was announced on February 16, 2009 during the Mobile World Congress in Barcelona.
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