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| Manufacturer | Nokia |
|---|---|
| Availability by region | 2007 |
| Predecessor | Nokia 6111 Nokia 6290 Nokia N76 Nokia N80 Nokia N91 |
| Successor | Nokia N85 |
| Related | Nokia N95 8GB Nokia N78 Nokia N82 Nokia 6110 Navigator |
| Compatible networks | UMTS/GSM 850/900/1800/1900 |
| Form factor | Slider |
| Dimensions | 102×50×17.9 mm (4.02×1.97×0.70 in), 86 cc |
| Weight | 140 g (5 oz) |
| Operating system | Symbian OS 9.2 |
| Battery | Li-Po 1050 mAh (BP-6MT) |
| Rear camera | 2 MP / 1600 x 1200 px |
| Front camera | CIF Video Call Camera |
| Display | 240 x 320 pixels, 2.4", 16M Colors |
| Data inputs | Keypad |
TheNokia N81 is aSymbian OSmobile phone announced byNokia on 29 August 2007 and released the next month. It runsS60 3rd Edition, Feature Pack 1.
The N81 was marketed as an entertainment device focused on music and gaming.[1] It was the first device that came preloaded with theN-Gage 2.0 gaming service in 2008 (albeit in public beta), and it features two dedicated gaming keys that can be used for N-Gage games (this would later also appear on theN96,[2]N85[3] and5730 XpressMusic[4]). During the launch of N-Gage 2.0, the N81 was specifically chosen by Nokia in advertisements. It was also much marketed as a music-centric smartphone and was one of the first to support theNokia Music Store service.[5] It hasstereo speakers that are considered to be very loud.[6] Several reviewers have claimed that the N81 has, much like the olderNokia N91, a very high sound output quality and therefore highly suitable foraudiophiles.[7][8][9][10]
The four-way silver-colouredD-pad below the display also contains a new capacitive sensor called the Navi wheel, which allows scrolling in the S60 gallery and music player applications by 'stroking' the key, in a similar manner to theiPod click wheel.[11] It is a unique feature that rarely appears on mobile handsets.[12] The Navi wheel would later also appear on other NokiaNseries handsets:N78, N85 and N96.
Other than these the N81 has more modest specifications compared to theNokia N95, with a 2-megapixel camera, lacking bothGPS andHSDPA, and weighing 20 grams heavier.[13] However the N81 did have anARM11 369 MHz processor, the fastest on a Nokia device at the time.[14] The Nokia N81 notably features a slidingspring-loaded physical keylock on the top of the device, located next to the 3.5 mm jack.[15] It is the first Nseries device that swapped theminiUSB port in favour ofmicroUSB.
A variant called N81 8GB with 8-gigabytes of internal flash memory was also announced at the same time. This version retailed for 430 euros before taxes, 70 euros more than the standard version which requires amicroSD memory card to expand its 12 megabytes of storage.[16] N81 would be succeeded by the N85.
The Nokia N81 had a lower sound output compared to the N91 due to the release of the new firmware version. According to Nokia, they must follow an international standard wherein a device's initial or default volume must be set too low to cause any damage to its users.
CNET found it buggy, slow, and badly designed.[17] S21 gave it 3/5, praising its feature set, while again criticising the "plasticky" design.[18] However its musical capabilities have been highly praised.[13][19]
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