• February 6, 2026
  • Apple
    Apple

    iPhone 18 Pro Max Rumored To Deliver Next-Level Battery Life

    iOS 26 watchOS tvOS macOS visionOS iPadOS

    Apple Releases iOS 26.3 RC Alongside RC Of tvOS 26.3, watchOS 26.3, visionOS 26.3 And More

    Apple’s iPhone 17 Pro Max Crowned The Battery Life King Among 35 Devices Tested

  • Google
    Google

    It’s Official: Google Gemini Will Power Future Apple Intelligence And Siri Upgrades

    Google’s First AI Smart Glasses Will Debut In 2026

    Google’s Latest Pixel Ad Mocks Apple’s iPhone With A Wicked Twist

  • Microsoft
    Microsoft

    Valentine’s Day Microsoft Sale: Embrace New Tech With Windows 11 Pro For Only $14 – Great Offers On Office 2024 And More

    Microsoft’s Bitlocker Encryption Keys Given To The FBI Set A Worrying Precedent

    iOS 26.2 Features A New AirDrop Privacy Feature

  • Tesla
    Tesla

    Tesla Is Killing The Model S And Model X To Focus On Making Robots Instead

    Tesla To Add Apple Car Key Support Soon?

    Tesla’s 2025 Holiday Software Update Is Now Rolling Out

  • Reviews
    Reviews

    VideoProc Converter AI Helps Restore Old Videos Up To 4K [Review]

    Why Choose CZUR StarryHub For Meeting Solution?

    Stellar Repair For MS SQL – Product Review

  • Deals
    Deals

    Amazon’s Eero Max 7 Mesh System Deal Upgrades Your Wi-Fi With $450 Off

    Get Apple’s Clear Case For iPhone 17 And iPhone 17 Pro For $39.99 Only Today

    Never Drink Cold Coffee Again With $30 Off This Nextmug Temperature-Controlled Mug

Latest
  • Latest
  • Oldest
  • Random
  • A to Z

Jailbreak iOS 4.2.1

GreenPois0n RC5 Untethered Jailbreak for iOS 4.2.1 Released ! [How-to Video Guide]

Taimur Asad·February 4, 2011
Chronic Dev Team has finally released the much awaited GreenPois0n RC5 which brings full untethered iOS 4.2.1 jailbreak for all iOS devices. Unlike Redsn0w 0.9.7, GreenPois0n RC5 doesn’t require you to have SHSH blobs of 4.2b3 saved on Cydia. You can jailbreak any iOS device out of the box on iOS 4.2.1 using this latest version of GreenPois0n.

GreenPois0n RC5 Untethered Jailbreak Tool Will Support Custom Animated Boot Logo [Video]

Taimur Asad·February 3, 2011
Members of Chronic Dev Team have just confirmed that the upcoming GreenPois0n RC5 untethered jailbreak for iOS 4.2.1 will support animated custom boot logo on iPhone, iPad and iPod touch. Video after the break.

GreenPois0n RC5 Untethered 4.2.1 Jailbreak Supports iPhone 4, 3GS, iPad, iPod touch 2G, 3G, 4G. Wont Work on iOS 4.3

Oliver Haslam·January 31, 2011

New Untethered Jailbreak Vulnerability Discovered for iOS 4.2.1 / 4.3

Taimur Asad·January 30, 2011
Pod2g, the guy behind SHAtter and the untethered iOS 4.2.1 exploit for GreenPois0n has discovered yet another vulnerability in iOS for iPhone, iPad and iPod touch which can possibly be used on iOS 4.2.1 and 4.3 as well.

Redsn0w 0.9.7 for Windows Will Untether iOS 4.2.1 Jailbreak with iOS 4.1 Firmware. Expected to Release Soon

Taimur Asad·January 29, 2011
The iPhone Dev Team has confirmed that a Windows version of Redsn0w 0.9.7 is on its way for jailbreaking iOS 4.2.1 with iOS 4.1 IPSW instead of iOS 4.2b3 firmware and SHSH blobs.

Redsn0w 0.9.7 Update Will Allow You to Untether iOS 4.2.1 Jailbreak Using iOS 4.1 Instead Of 4.2b3

Taimur Asad·January 23, 2011

GreenPois0n Update to Bring Full Untethered Jailbreak for iOS 4.2.1 Without Needing 4.2b3 SHSH Blobs [Video]

Taimur Asad·January 22, 2011
Members of Chronic Dev Team have just released a new video which shows full untethered jailbreak for iOS 4.2.1 in action.

Comex Will Not Wait for iOS 4.3 / 4.2.5 & Verizon iPhone 4. Untethered Jailbreak for iOS 4.2.1 On Its Way?

Taimur Asad·January 12, 2011
An Italian site contacted Comex today to ask him about whether he is going to wait for Verizon iPhone 4 to launch, and the next iOS release, that is iOS 4.3 / 4.2.5 before releasing his untethered jailbreak. Comex swiftly replied that one month is too long a wait to keep the long-awaited untethered jailbreak from releasing.

Redsn0w 0.9.7 Beta 6 Brings Skype Fix, Next Version Will Use 4.1 SHSH Blobs Instead Of 4.2b3 For 4.2.1 Untether

Taimur Asad·January 10, 2011

GreenPois0n Will Be Untethered For iOS 4.2.1 On Release, Will Not Require 4.2b3 SHSH Blobs

Taimur Asad·January 10, 2011
Instead of releasing a tethered version (like Redsn0w 0.9.6) of GreenPois0n for iOS 4.2.1 jailbreak, members of Chronic Dev have decided to work on their own untethered solution for iOS 4.2.1 jailbreak, confirms Joshua Hill, one of the members of the team.

Redsn0w 0.9.7 Beta 5 Out Now ! Fixes Bluetooth Issues

Taimur Asad·January 9, 2011
The iPhone Dev Team has released yet another update to Redsn0w 0.9.7 jailbreak tool. This new version fixes all sandbox-related issues, including Bluetooth problems on an untethered iOS 4.2.1 jailbreak. Also added is an “anti-piracy plea” note as a warning for those of you who are pirating iOS 4.2 beta 3 firmware.

Redsn0w 0.9.6rc8 for iPhone, iPad and iPod touch Jailbreak Is Now Available for Download

Taimur Asad·January 6, 2011

Geohot May Have Untethered Exploit For iOS 4.2.1 After All

Haras·January 4, 2011
Not so long ago, we reported about Rubyra1n which could be Geohot’s next jailbreak for iOS 4.2.1. And now, MuscleNerd’s tweet which was posted a few days ago seems to support this claim. MuscleNerd tweeted

How to Update iPhone 4 to iOS 4.2.1 While Preserving Old 01.59.00 Baseband for Unlock [Guide]

Taimur Asad·January 3, 2011
If you have an iPhone 4 with the older and unlockable 01.59.00 baseband, and you want to upgrade to the latest iOS 4.2.1 while preserving your baseband, we have a solution for you. The following method will allow you to upgrade your iPhone 4 to iOS 4.2.1, while preserving the 01.59.00 baseband which is unlockable using Utrasn0w 1.2.

How To Quickly Boot Your Tethered Jailbroken iPhone / iPad / iPod touch on Windows and Mac

Taimur Asad·January 3, 2011
Load More

TRENDING NOW

iPhone 18 Pro Max Rumored To Deliver Next-Level Battery Life

iOS 26 watchOS tvOS macOS visionOS iPadOS

Apple Releases iOS 26.3 RC Alongside RC Of tvOS 26.3, watchOS 26.3, visionOS 26.3 And More

Apple’s iPhone 17 Pro Max Crowned The Battery Life King Among 35 Devices Tested

Apple Announces Xcode 26.3 With Support For Agentic Coding

New Foldable iPhone Details Leak As Late-2026 Launch Edges Closer

iOS 26.2.1 Battery Life Drain Tested, Here’s How Your iPhone Will Fare

Apple’s iPhone Upgrade Program Ends For UK Customers

Apple CEO Tim Cook Promises ‘Innovations That Have Never Been Seen Before’

Apple Brings Pixelmator Pro To The iPad

Apple Launches F1 Programming Inside TV App Ahead Of New Season

FOR YOU

[iOS 26 Work] My iPhone Won’t Turn On, Stuck On Black Screen: Fix It!

iPhone 17 Pro Could Stick To A Titanium Chassis

iOS 26

How To Downgrade iOS 26 Beta 1 To iOS 18.5 [Guide]

iOS 26

iOS 26 Hidden Features Worth Checking Out

iOS 26 logo

iOS 26 Will Be The Name Of iPhone’s Next OS, Not iOS 19

Jailbreak iOS 26.0.1: Here’s What We Know So Far

iPhone 17 Is Tipped For New Green And Purple Colors

iOS 26

iOS 26 And iPadOS 26 Public Beta 4 Now Available

  • About
  • Advertise
  • Privacy Policy
  • Tip Us
Copyright © 2008-2026 Redmond Pie. All Rights Reserved.
  • About
  • Advertise
  • Privacy Policy
  • Apple
  • Google
  • Microsoft
  • Tesla
  • Reviews
  • Deals
Start typing to see results or hit ESC to close
Apple iPhone deals iPad Android
See all results

SUBSCRIBE

Join 100k+ other tech lovers and get the latest news in your inbox
[mc4wp_form id="389"]