NEW DELHI: Nokia has a legacy of making durable handsets, from the old 3315 to the new Lumia range. A recent incident reinforces the belief that Nokia makes some of the most durable mobile phones in the market still.According to a Swede citizen Roger Nilsson , he recently found a Lumia 800 smartphone that was lost three and a half months ago in a lake. Except that the device is not rated for water resistance and is vulnerable to damage like any other standard smartphone in the market today.Nilsson posted his account on the Facebook page of Nokia Sweden, saying that when he found the Lumia 800 wedged between two rocks in the lake, it was covered with muck, shells and other waste. He cleaned it up, disassembled the whole handset and kept it on a radiator to dry.Much to his surprise, Nilsson found that the Lumia 800 survived despite being submerged underwater for over three months. He says that the phone and camera work as expected and the battery lasts over two days, as usual.Most water-resistant smartphones are rated to survive underwater for a maximum of 30 minutes. This is in stark contrast with all other smartphones whose batteries explode spontaneously.