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Following a successor to the 850 that had a larger display came the first BlackBerry phone that was actually a phone — well, almost.
Announced on 4 March, 2002, the 5810 was the first of a generation of devices marketed as phones with email capability, rather than as pagers. Despite its exterior — it shared almost the exact same chassis as the earlier 957 — it had all new internals. It was also available in the UK on the BT Cellnet network, now known as O2, as the 5820.
The 5810 worked on a 2G network, used a Java-based platform and allowed for voice calls, except that it required a headset as it didn't have a built-in microphone or speaker. It also offered SMS, organiser and primitive browser functionality, in addition to email.
While RIM was not yet ready to square up to the consumer market (which was still dominated by what is now termed 'dumbphones', but was at the time just 'phones', such as the Nokia 3210), RIM was readying itself for a run at Palm and its devices pitched for business.
However, the clunky phone functionality and design of the device itself couldn't match up to Palm's sleek, anodised aluminium finish found on models like the Palm V.