bb 9900 red blink solution

I replaced battery, only red light blinks. blink blink live didnt on - Blackberry Bold 9900 - iFixit Saeed Ullah @saeedullah Rep: 1 Posted: Nov 16, 2017 Options blackberry wont on I replaced battery, only red light blinks didnt on i followed the method of pressing the button 10 to 15 sec but it still not works Answer this question I have this problem too