Difference between revisions of "S5L8920"

Revision as of 12:48, 6 October 2009

This is the processor used in the iPhone 3GS.

S5L8920 using THUMB-2 instruction set as much as ARM and THUMB ones. So the compiled binaries are not compatible with older CPUs.

iBoot Environment Variable Overflow - Firmware 3.1b3 and below (Note: iBoot on the S5L8920 can be downgraded allowing the exploit to be used on future firmwares, but only if a backup of the device-specific Apple-signed 3.0 iBSS with unique ECID was made.)
usb_control_msg(0x21, 2) Exploit - 3.1 and below.

@@ Line 5: / Line 5: @@
 == Exploits ==
 === [[iBoot]] / [[Kernel]] ===
-* [[iBoot Environment Variable Overflow]] - Firmware 3.1b1 and below (Note: [[iBoot]] on the S5L8920 can be downgraded allowing the exploit to be used on future firmwares, but ''only if'' a backup of the device-specific Apple-signed 3.0 iBSS with unique [[ECID]] was made.)
+* [[iBoot Environment Variable Overflow]] - Firmware 3.1b3 and below (Note: [[iBoot]] on the S5L8920 can be downgraded allowing the exploit to be used on future firmwares, but ''only if'' a backup of the device-specific Apple-signed 3.0 iBSS with unique [[ECID]] was made.)
 * [[usb_control_msg(0x21, 2) Exploit]] - 3.1 and below.