i bought the original Nokia battery from Nokia store..1430 mAh..do i have to install the battery patch again? and its 1430 mAh but in battery graph it still shows 1222 mAh...shudnt it be showing more..they ( Nokia store) recommended me to turn it off and charge for 2hrs for first use..i did then i turned it on (after it showed the green light) but battery was 84%..