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Despite the revision, the unit drew quick criticism.

Some noted that the rubber fitting side that closed the gap between the device top and bottom casing could be easily loosened over a few months.

Once the rubber piece was removed, the device became more vulnerable to water or particles entering the internals unless the fitting was replaced.

Replacement fittings were available at Nokia's service centers.

Various third-party sellers also sold unofficial replacement fittings via online electronics suppliers or eBay.