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Difference between revisions of "CoolBooter"

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m (Revised info about lightning, removed "the app doesn't work with a jailbreak that was released *three* days ago" information, more info about why passcodes are the same across OS installs, revised info about spawning the cli via an app)
(App version 1.4)
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| discontinued =
 
| discontinued =
 
| released = {{start date and age|2016|12|25}}
  
| released = {{start date and age|2016|12|25}}
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| latest release version = 1.2.4
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| latest release version = 1.4
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| latest release date = {{Start date and age|2017|10|25|df=yes}}
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| latest release date = {{Start date and age|2017|12|27|df=yes}}
 
| operating system = [[wikipedia:IOS|iOS]]
  
| operating system = [[wikipedia:IOS|iOS]]
 
| language = [[wikipedia:English|English]]
  
| language = [[wikipedia:English|English]]
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* The secondary OS uses the same lock screen passcode as the host OS, and is protected under the same data-protection scheme as the main OS.
  
* The secondary OS uses the same lock screen passcode as the host OS, and is protected under the same data-protection scheme as the main OS.
  +
  +
* Prior to version 1.4 (APP), CoolBooter used a [[kloader]] version that depended on [[tfp0]]. This meant that CoolBooter would not function on [[h3lix]], which does not have tfp0 but instead has [[hgsp4]]. Version 1.4 was released a few days after [[h3lix]] to add support.
   
 
== Version Change Log ==
  
== Version Change Log ==
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| 25 October, 2017
  
| 25 October, 2017
 
| General performance improvements, automatic detection of iPhone 4S units that cannot run iOS 5
  
| General performance improvements, automatic detection of iPhone 4S units that cannot run iOS 5
  +
|-
  +
| 1.4
  +
| 27 December, 2017
  +
|
  +
*Support for iOS 10.3.x
  +
*Support for jailbreaks that enable [[hgsp4|host_get_special_port/4]] and not [[tfp0|task_for_pid(0)]]
  +
*Custom bootlogo support
  +
*Resolved an issue where firmware downloads would hang if the user loses their internet connection during a download
  +
*General performance improvements and various fixes for small issues
 
|}
  
|}
   

Revision as of 22:17, 27 December 2017

CoolBooter
Original author(s) Jonathan Seals
Developer(s) Jonathan Seals
Initial release 25 December 2016; 7 years ago
Stable release 1.4 / 27 December 2017; 6 years ago
Development status Active
Operating system iOS
Available in English
Type Utilities
License Freeware
Website CoolBooter

CoolBooter is a tool for dual booting jailbroken 32-bit iOS devices with another copy of iOS via winocm's ios-kexec-utils. It supports hosts running iOS 7.0 or higher and can boot versions ranging from 5.0 to 8.4.1. Hosts on lower versions can install the CLI version instead.

Usage notes

  • During setup, the user can choose to jailbreak the secondary operating system and/or activate verbose boot. iOS 8.x will automatically be jailbroken, as there will be issues if it is not.[1]
  • Hosts running iOS 9.0 or higher experienced issues with data protection, meaning that apps such as YouTube, WhatsApp and Mail would not work on the secondary OS. Experimental protected volume support was added later to work around these issues.
  • Like regular installations of iOS, dual booted systems must be activated. A6 devices that have ever been on iOS 10 and then downgraded have failed activation since July, 2017, first randomly, then consistently. To activate the dual booted partition on these devices, activation records can be copied to /var/root/Library/Lockdown from the host OS. Another option is to delete /Applications/Setup.app, also done from the host OS.
  • iOS 6 as a secondary OS will kernel panic during boot on Lightning adapter devices if the USB cable is attached, or has been since the device was booted into the host OS. To fix the issue, unplug the cable and reboot before launching CoolBooter.
  • The secondary OS uses the same lock screen passcode as the host OS, and is protected under the same data-protection scheme as the main OS.
  • Prior to version 1.4 (APP), CoolBooter used a kloader version that depended on tfp0. This meant that CoolBooter would not function on h3lix, which does not have tfp0 but instead has hgsp4. Version 1.4 was released a few days after h3lix to add support.

Version Change Log

Version Date Changes
1.0b1 25 December, 2017 initial release
1.0b2 25 December, 2017 fixed a small mistake in the booting process
1.0b3 26 December, 2017 7.x support temporarily dropped due to activation issues
1.0b4 27 December, 2017 Solved partitioning issues
1.0b5 28 December, 2017 Adds a warning to reboot after installation
1.0b6 18 April, 2017 Includes fixes for low capacities as well as many performance improvements
1.0b7 9 May, 2017 Adds backup and restore and improves reliability on older firmwares
1.0b8 4 June, 2017 Fewer bootloops, maybe no more bootloops?
1.0b9 5 June, 2017 Including better iOS 7 support
1.0b10 14 June, 2017 iPhone 4s is now fully supported
1.0b11 20 June, 2017 Adds a custom data partition size option
1.0b12 21 July, 2017 Added S5L8942 device (iPadMini 1, iPod5, iPad2,4) support (thanks to @axi0mX)
1.0.1 9 August, 2017 Fixes for the iPad2,4, iPod5,1, as well as bootlogo support (thanks to @nyan_satan)
1.0.2 27 August, 2017 Experimental protected volume support for iOS 9+ main OS users
1.1 11 September, 2017 iOS 8.0–8.4.1 target OS support
1.1.1 12 September, 2017 Bug fixes for iPad mini 1 as well as for iOS 9 main OS users
1.2 24 September, 2017 iOS 5.x support, and stability improvements for A5 devices
1.2.2 29 September, 2017 iOS 8.x bootlogo support, fixed 5.1 targets for iPhone 4S, fixed issues with devices
not continuing past Apple logo (iOS 7 and lower) or booting back into host OS
1.2.3 3 October, 2017 Fixes iPhone 4S and iPod Touch 5G iOS 6 support, iPhone 4S iOS 5.1.x support (including baseband),
inability to allocate more than 6 GB of space to iOS 5.x
1.2.4 25 October, 2017 General performance improvements, automatic detection of iPhone 4S units that cannot run iOS 5
1.4 27 December, 2017
  • Support for iOS 10.3.x
  • Support for jailbreaks that enable host_get_special_port/4 and not task_for_pid(0)
  • Custom bootlogo support
  • Resolved an issue where firmware downloads would hang if the user loses their internet connection during a download
  • General performance improvements and various fixes for small issues

CoolBooterCLI

CoolBooterCLI
Original author(s) Jonathan Seals
Developer(s) Jonathan Seals
Initial release 9 March 2017; 7 years ago
Stable release 0.8.4 / 25 October 2017; 7 years ago
Development status Active
Operating system iOS
Available in English
Type Utilities
License Freeware
Website CoolBooter

A command line interface version called CoolBooterCLI is offered as a separate package in Cydia. Originally requiring iOS 6.0 or higher, it now runs on iOS 5.x as well.

Starting CoolBooterCLI from MTerminal using the command coolbootercli -b fails on devices running older iOS versions. This issue can be solved by starting CoolBooterCLI via SSH instead (ssh root@localhost) or by using an app that spawns "coolbootercli -b".

Version Change Log

Version Date Changes
0.1.4 9 March, 2017 Initial release, supports hosts on 6.0 and higher, targets 6.0–7.1.2 on same devices as before
0.3 18 April, 2017 Adds support for iOS 5 hosts and targets, iPod 4G, iPhone 3GS, iPad 1, low capacity improvements
0.6 17 June, 2017 iPhone 4S support, more stability, and a custom data partition size option
0.8.2 29 September, 2017 Added support for S5L8942 devices, support for 5.x and 8.x targets, experimental protected volume support for hosts on iOS 9 or later going to iOS 7 or lower (use option --use-dpw), protected volume support for all devices running iOS 8 or lower, bootlogo support for all target versions
0.8.3 3 October, 2017 Fixes iPhone 4S and iPod Touch 5G iOS 6 support, iPhone 4S iOS 5.1.x support (including baseband), inability to allocate more than 6 GB of space to iOS 5.x
0.8.4 25 October, 2017 General performance improvements, automatic detection of iPhone 4S units that cannot run iOS 5

External Links

References

  1. ^ @Thmitt: there were some issues with 8.x if it wasn’t jailbroken
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