hi, i install some applications on my iphone, some of application run perfectly, but after i install one app that did not install properly, my iphone start to malfunction. the screen turn black, but if i restart it, it cameback to normal. after a minute it turn black again. after i try to reset setting and erase content, my iphone wont power up. is there a possible solution to unbrick my iphone, so i can use it again.