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Checkl0ck: passcode and biometric on iOS 15 - iOS 16

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When you jailbreak your device with Palera1n or checkra1n on A10 and A11 SoC, you must disable your passcode, Face ID, or Touch ID while in the jailbroken state. This can be an issue because everyone in your home can get immediately access to your device. The most recent release of Checkl0ck delivers support for rootless jailbreaks on iOS 15+.

Add Checkl0ck Repo to your package manager.

What is Checkl0ck?

Checkl0ck is a tweak that allows to protect your checkm8 device with passcode and biometric capabilities on iOS 14 – iOS 16. After jailbreaking your device with either checkra1n or palera1n, Checkl0ck allows you to secure your device with a passcode and biometric authentication. Two separate packages are released, one for rootful and another for rootless palera1n jailbreak.

Once installed, Checkl0ck adds a new preference pane to the Settings app. With a simple toggle, you can activate the tweak and enable its advanced protection features. No complicated setup or configuration is required, as everything is fully automated. Checkl0ck supports iPhone 8, iPhone X, iPhone 7, and iPhone 7+ devices, however, it is crucial to remember that it only functions on jailbroken devices and will not work after restarting your iPhone.

FoxfortMobile is the mastermind behind several popular tweaks. With Checkl0ck, the developer aimed to address the security vulnerability of older iDevices that require disabling the passcode, Face ID, or Touch ID to be jailbroken on iOS 14 to iOS 16.3.1. The tweak offers an essential layer of protection to these older devices, ensuring that they remain secure even after jailbreaking.

Two iPhone screens showing Checkl0ck preferences and Touch ID enabled on Palera1n iOS 15 jailbreak.

Checkl0ck tweak features an option to set native passcode. It supports both numeric and alphanumeric passwords. In addition to password protection, the tweak also supports biometric authentication via Face ID or Touch ID for quick unlocking. It even extends its protection to Safari and other supported apps by allowing you to autofill passwords using your biometric data.

The tweak automatically detects the appropriate security measures to enable, ensuring that you receive the best protection possible. The preference pane provides step-by-step instructions, tailored to your specific iPhone model, to help you set up the security features with ease.

Info: Jailbreaking iOS 14 – iOS 16 with checkra1n or palera1n on an A11 or A10 requires disabling the passcode, Face ID, or Touch ID. This is due to the absence of a SEP bypass. Currently, the both jailbreak tools require disabling thoes system security features.

Checkl0ck elevates the security of your jailbroken device by enabling biometric authentication through Face ID or Touch ID in third-party apps. Please note that this feature may not be supported in highly secure apps such as banking apps. Additionally, the tweak supports sign-in with Apple using your biometric data and provides the ability to view protected notes.

On top of that, Checkl0ck is compatible with tweaks that use biometric authentication feature via LAContext api (for example: FaceIDforHiddenPhotos, SafariPlus, A-Shields), and install free apps from App Store using Face ID/Touch ID. Apple Pay purchases are not and will not be supported because that requires SEP for processing and verification of transactions.

With Checkl0ck activated, your iPhone's notifications text will be hidden when the device is locked, ensuring the privacy of your information. This feature prevents anyone from taking a quick peek at your Lock Screen and seeing your latest notifications.

Checkl0ck is the best solution to enable passcode and biometric on iPhones with installed Palera1n on iOS 15.0 – iOS 16.3.1 or checkra1n on iOS 14 – iOS 14.7.1 jailbreaks. It provides you with a sense of security, but after restarting the device obviously it will stop working.

Alternatively, you can install the free FakePass tweak. In addition to setting a new passcode, FakePass allows you to lock the device after a respring, hide the passcode length, force alphanumeric input, and block the device after too many failed attempts.

Add Repository

Checkl0ck was released as a paid package that can be purchased for $2.99 through the Havoc Repository. The latest version 1.5.1 supports checkm8 jailbreaks running on iOS 14.3 – iOS 16.5. Add the Checkl0ck Repo to your package manager and enable protection on your device. Checkl0ck rootless package is available for download only from rootless jailbreaks.

To install Checkl0ck tweak using Sileo, follow those steps:

  1. Open the Sileo app from the Home Screen.
  2. Tap on the Sources tab, then select Edit button.
  3. Add the following repository URL: https://havoc.app
  4. Find the Checkl0ck tweak and tap to install the package.
  5. Sileo will ask you to respring the device to finish the installation.
  6. From the Settings app, enable the Checkl0ck tweak.

Alternatively, please use the quick links available at the top of this page to add the repository to your favorite package manager (Cydia, Sileo, Installer, Zebra) with just one tap.

Note: To purchase the tweak you must use a modern package manager like Sileo, Saily, Zebra, or Installer. Cydia is outdated, and it doesn't offer an option to buy tweaks.

Configuration

After installation, Checkl0ck tweak requires completing some configuration steps to enable the native passcode, Face ID, or Touch ID on your iPhone 8, iPhone X, iPhone 7, or iPhone 7+. You can find them inside the configuration pane of the tweak located in the Settings app.

  1. Reboot into non-jailbroken mode.
  2. Set up Face ID from Settings app.
  3. Disable your passcode.
  4. Jailbreak using checkra1n or palera1n.
  5. Set a passcode from settings app in jailbroken mode.
  6. Turn on the Enabled switch below.
  7. LDRestart to unlock your device with Face ID.

Warning: Checkl0ck tweak enables the passcode, Face ID, Touch ID protection only in a jailbroken environment. It will not protect your iPhone after restarting the device.

What's new

  • Updated Checkl0ck to version 1.7.
  • Added rootless support.
  • Added support for iOS 16 – iOS 16.5.
  • Fixed crash in certain apps like Documents.
  • Fixed status bar lock icon not appearing on iOS 15 on Touch ID devices.
  • Fixed biometric not working in apps randomly.
  • Fixed Touch ID setup failing on some devices.
  • Fixed some iPads related issues.
  • Fixed wrong alert when turning off passcode on iOS 15.
  • Added support for iOS 15.
  • Added compatibility with iPhone 7/7+ for Palera1n on iOS 15.
  • Fixed crash in Yahoo Mail app.
  • Added option to enter passcode when Face ID fails in apps.
  • Fixed failed Face ID and Touch ID alerts.
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Written by

Kuba has over 20 years of experience in journalism, focusing on jailbreak since 2012. He has interviewed professionals from various companies. Besides journalism, Kuba specializes in video editing and drone flying. He studied IT at university before his writing career.

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