If the process is successful, valid SHSH blobs of your current iOS version will be saved. If blob dumping fails for some reason, try using another USB port/cable/hub.
在「ultfone.com」查看更多資訊 You have two ways to locate the ECID number of your device 1. Using iTunes 1. Connect your device to computer and open iTunes. 2. Go to Summary section in iTunes. 3. Click the serial number twice, and the ECID number displays. 1. Open