Apple phone iOS9 Jailbreak cydia not open the flash back what reason?

ios9.0-9.0.2 Perfect Jailbreak picture and text tutorial

First, iOS9 jailbreak did not install plug-ins/software Cydia Flash-back solution:

This may be a jailbreak failure, we can through the DFU mode brush machine and then the cell phone again jailbreak.

Second, iOS9 jailbreak after the installation of plug-ins/software Cydia Flash-back solution:

1, the hands of the machine, while holding down the volume + and power button on the boot, and then release the power button, has been holding down the volume + key to enter the lock screen interface, and then into the Cydia will be incompatible with the plugin removed, restart the phone, and then enter the Cydia will not flash. (Note: If you do not know which plug-in is incompatible, you can first remove the most recently installed plug-ins and then troubleshoot)

iOS9 Jailbreak Plug-in there's a conflict. IOS9 Jailbreak plug-in conflict troubleshooting

2, installation of AFC patch users can enter the "Library/mobilesubstrate/dynamiclibraies" plist and Dylib files deleted, and then deleted after we restart the phone problem is resolved.