Nokias of old had the ambition to connect a billion people to the Internet. HMD is carrying on this mantra with the help of KaiOS, which has similar goals. This is where these two new models come in - HMD is unveiling two Kai-powered, 4G-connected phones. One is rugged, the other is a flip phone. Nokia 800 Tough This is billed as a spiritual successor to the Nokia 3310, which legends say is indestructible. Well, this one actually might be - the Nokia 800 Tough has an IP68 rating and is MIL-STD-810G certified. It can last under 1.5m of water for half an hour and it's dust proof. It...