hi, legends say it is necessary to charge the Iphone 4S for 12 hours before use it for the first time to maximize the lifespan of the battery. Is it true? Now I've JUST got the my new Iphone 4S , I haven't charged it yet it still has half of the battery . Do I have to discharge it first and then recharge it? Or should I stop using it right now and charge it for 12 hour first?