when i made update for the ios of my i5 to ios 6.1 , the network signal is unstable where the signal sudenly goes off and it will not return on unless i make restart for my i5
i made update to my I 5 to ios 6.1 but from that time i have problem in the network signal
it is off by a sudden and it will not b on again unless i turn off and on the phone several times to work again
what shall i do
regards
iPhone 5, iOS 6.1