Plz experts help me mere pas nokia2700c hai jis mai software version 9.97 install hai mai ise 9.98 pe upgrade karna chahta hon mere pas mobile ki data cable bi mojood hai kya is se software kiya ja sakta hai ya kisi divice ki zarorat ho gi?agar cable ke sath ho jaye ga to plz software install karne ka pora tarika bi bata den