I downgraded ios 7.1.2 to 6.1.3 without shsh. Then I was able to use it well. But when ı locked the phone, it became unbootable. Now no screen on iphone , just ı can hear charge sounds. In the website " you’re supposed to install a plugin “Insomania pro” on Cydia." but ı cant open my phone . how can ı install it from cydia
thanks..
HELP ME!
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