Difference between revisions of "Baseband Bootloader"

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The baseband bootloader is the code which runs before the baseband FW, it is responsible for signature checking and updating the baseband. See also [[bootloader]].
 
The baseband bootloader is the code which runs before the baseband FW, it is responsible for signature checking and updating the baseband. See also [[bootloader]].
   
==[[S-Gold 2]] Revisions==
+
== [[S-Gold 2]] Revisions ==
===3.1===
+
=== 3.1 ===
Found in the iOS 1.0 and 1.1.1 [[Restore/Update Ramdisks|ramdisk]]s for the [[M68ap|iPhone 2G]].
+
Found in the iOS 1.0 and 1.1.1 [[Rmdisk]]s for the [[M68ap|iPhone 2G]].
  +
=== 3.8 ===
 
  +
Found in the iOS 1.0 and 1.1.1 [[Ramdisk]]s for the [[M68ap|iPhone 2G]]. It was often (unintentionally) installed when someone with a [[Fakeblank]]ed bootloader 3.9 downgraded to 1.0 or 1.1.1. This can be re-updated with [[BootNeuter]].
===3.8===
 
  +
=== 3.9 ===
Found in the iOS 1.0 and 1.1.1 [[Restore/Update Ramdisks|ramdisk]]s for the [[M68ap|iPhone 2G]]. It was often (unintentionally) installed when someone with a [[Fakeblank]]ed bootloader 3.9 downgraded to 1.0 or 1.1.1. This can be re-updated with [[BootNeuter]].
 
 
===3.9===
 
 
This is the old bootloader from the [[M68ap|iPhone]]/[[S-Gold 2]]. It is vulnerable to [[Minus 0x400]] and [[IPSF]]
 
This is the old bootloader from the [[M68ap|iPhone]]/[[S-Gold 2]]. It is vulnerable to [[Minus 0x400]] and [[IPSF]]
  +
=== 4.6 ===
 
===4.6===
 
 
This is the new bootloader from the [[M68ap|iPhone]]/[[S-Gold 2]]. It is vulnerable to [[Minus 0x20000 with Back Extend Erase]]
 
This is the new bootloader from the [[M68ap|iPhone]]/[[S-Gold 2]]. It is vulnerable to [[Minus 0x20000 with Back Extend Erase]]
   
==[[X-Gold 608]] Revisions==
+
== [[X-Gold 608]] Revisions==
===5.8===
+
=== 5.8 ===
 
This is the bootloader from the [[N82ap|iPhone 3G]]/[[X-Gold 608]]. It is, in contrast to 3.9 and 4.6, sig checked on startup. There is an exploit where the main fw cert is passed with the loader instead of the loader cert, and it checks the main firmware instead, allowing you to upload unsigned loader code. This has been fixed in 5.9. You can downgrade from 02.30.03 to 02.28.00 using [[pHaseBanDowngrader]] (by pH) in the Bootloader 5.8.
 
This is the bootloader from the [[N82ap|iPhone 3G]]/[[X-Gold 608]]. It is, in contrast to 3.9 and 4.6, sig checked on startup. There is an exploit where the main fw cert is passed with the loader instead of the loader cert, and it checks the main firmware instead, allowing you to upload unsigned loader code. This has been fixed in 5.9. You can downgrade from 02.30.03 to 02.28.00 using [[pHaseBanDowngrader]] (by pH) in the Bootloader 5.8.
   
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.8.fls.
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.8.fls.
  +
=== 5.9 ===
 
===5.9===
 
 
This is the bootloader of version 2.1 and 2.2 OTB (and some 2.0 OTB) [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple knew [[iPhone Dev Team]] could downgrade their iPhone 3G baseband from 1.48 to 1.45. Now, all the iPhone 3G has bootloader 5.9 and higher.
 
This is the bootloader of version 2.1 and 2.2 OTB (and some 2.0 OTB) [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple knew [[iPhone Dev Team]] could downgrade their iPhone 3G baseband from 1.48 to 1.45. Now, all the iPhone 3G has bootloader 5.9 and higher.
   
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.9.fls
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.9.fls
  +
=== 6.2 ===
 
===6.2===
 
 
This is the latest bootloader of version 2.2.1 OTB in 2008 [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple knew [[iPhone Dev Team]] could unlock their iPhone 3G baseband version 2.28 by yellowsn0w. Now, all the iPhone 3G 2.2.1 OTB has bootloader 6.2.
 
This is the latest bootloader of version 2.2.1 OTB in 2008 [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple knew [[iPhone Dev Team]] could unlock their iPhone 3G baseband version 2.28 by yellowsn0w. Now, all the iPhone 3G 2.2.1 OTB has bootloader 6.2.
   
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.2.fls
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.2.fls
===6.4===
+
=== 6.4 ===
 
This is the latest bootloader of version 2.2.1 OTB in 2009 [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple released firmware 3.x beta for testing. [[N88ap|iPhone 3GS]] and [[K48ap|iPad 3G+WiFi]] units contain this bootloader as well. As of the 3.x firmwares (baseband v. 4.x), the baseband now contains the loader of bootloader 6.4.
 
This is the latest bootloader of version 2.2.1 OTB in 2009 [[N82ap|iPhone 3G]]/[[X-Gold 608]]. Still has no known exploits and it was released as soon as Apple released firmware 3.x beta for testing. [[N88ap|iPhone 3GS]] and [[K48ap|iPad 3G+WiFi]] units contain this bootloader as well. As of the 3.x firmwares (baseband v. 4.x), the baseband now contains the loader of bootloader 6.4.
   
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.4.fls
 
DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.4.fls
00.00:00.00:04.24 DRV_ICE2_IFWD_04.24.00 DUALMODE SGOLD3 Apr 7 2009 ÿÿÿÿ
 
   
==[[X-Gold 618]] Revisions==
+
== [[X-Gold 618]] Revisions ==
===2.06===
+
=== 2.06 ===
This is the bootloader that ships with the [[N90ap|iPhone 4]]. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.0-4.0.2 is ICE3_01.59.00_BOOT_02.06.Release.bbfw.
+
This is the bootloader that ships with the [[iPhone 4]]. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.0-4.0.2 is ICE3_01.59.00_BOOT_02.06.Release.bbfw.
  +
=== 2.08 ===
  +
This is a new bootloader for the [[iPhone 4]], it is unknown when the bootloader was updated (4.1 OOTB?). It doesn't allow a downgrade, even if the older baseband is still signed from Apple. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.1 is ICE3_02.10.04_BOOT_02.08.Release.bbfw.
   
===2.08===
 
This is a new bootloader for the [[N90ap|iPhone 4]], it is unknown when the bootloader was updated (4.1 OOTB?). It doesn't allow a downgrade, even if the older baseband is still signed from Apple. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.1 is ICE3_02.10.04_BOOT_02.08.Release.bbfw.
 
 
[[Category:Baseband]]
 
[[Category:Baseband]]

Revision as of 20:06, 14 August 2011

The baseband bootloader is the code which runs before the baseband FW, it is responsible for signature checking and updating the baseband. See also bootloader.

S-Gold 2 Revisions

3.1

Found in the iOS 1.0 and 1.1.1 Rmdisks for the iPhone 2G.

3.8

Found in the iOS 1.0 and 1.1.1 Ramdisks for the iPhone 2G. It was often (unintentionally) installed when someone with a Fakeblanked bootloader 3.9 downgraded to 1.0 or 1.1.1. This can be re-updated with BootNeuter.

3.9

This is the old bootloader from the iPhone/S-Gold 2. It is vulnerable to Minus 0x400 and IPSF

4.6

This is the new bootloader from the iPhone/S-Gold 2. It is vulnerable to Minus 0x20000 with Back Extend Erase

X-Gold 608 Revisions

5.8

This is the bootloader from the iPhone 3G/X-Gold 608. It is, in contrast to 3.9 and 4.6, sig checked on startup. There is an exploit where the main fw cert is passed with the loader instead of the loader cert, and it checks the main firmware instead, allowing you to upload unsigned loader code. This has been fixed in 5.9. You can downgrade from 02.30.03 to 02.28.00 using pHaseBanDowngrader (by pH) in the Bootloader 5.8.

DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.8.fls.

5.9

This is the bootloader of version 2.1 and 2.2 OTB (and some 2.0 OTB) iPhone 3G/X-Gold 608. Still has no known exploits and it was released as soon as Apple knew iPhone Dev Team could downgrade their iPhone 3G baseband from 1.48 to 1.45. Now, all the iPhone 3G has bootloader 5.9 and higher.

DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.5.9.fls

6.2

This is the latest bootloader of version 2.2.1 OTB in 2008 iPhone 3G/X-Gold 608. Still has no known exploits and it was released as soon as Apple knew iPhone Dev Team could unlock their iPhone 3G baseband version 2.28 by yellowsn0w. Now, all the iPhone 3G 2.2.1 OTB has bootloader 6.2.

DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.2.fls

6.4

This is the latest bootloader of version 2.2.1 OTB in 2009 iPhone 3G/X-Gold 608. Still has no known exploits and it was released as soon as Apple released firmware 3.x beta for testing. iPhone 3GS and iPad 3G+WiFi units contain this bootloader as well. As of the 3.x firmwares (baseband v. 4.x), the baseband now contains the loader of bootloader 6.4.

DWD_ICE2_SECURE_BOOTLOADER/Secure_ICE2_Bootloader.6.4.fls

X-Gold 618 Revisions

2.06

This is the bootloader that ships with the iPhone 4. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.0-4.0.2 is ICE3_01.59.00_BOOT_02.06.Release.bbfw.

2.08

This is a new bootloader for the iPhone 4, it is unknown when the bootloader was updated (4.1 OOTB?). It doesn't allow a downgrade, even if the older baseband is still signed from Apple. It has no known exploits. It is in a zip file with the baseband in the iPhone firmware. The name of the zip file in iOS 4.1 is ICE3_02.10.04_BOOT_02.08.Release.bbfw.