Can I resume in dfu mode after ios system verification is turned off?
If the IOS firmware turns off the firmware signature, you can't brush it any more, you can only brush the latest version. \x0d\ 1。 Iphone brush must be networked to verify the firmware signature. If the signature is invalid, a 3 194 error will occur. \x0d\2。 Iphone only keeps the latest firmware signature. After any new firmware is released, the previous firmware signature will be invalid. \ x0d \ x0d \ dfu is the full name of device firmware upgrade, which is the mandatory upgrade mode of iPhone firmware.