{"id":16916,"date":"2010-11-24T19:32:47","date_gmt":"2010-11-24T14:02:47","guid":{"rendered":"https:\/\/www.amitbhawani.com\/blog\/?p=16916"},"modified":"2010-11-24T19:32:47","modified_gmt":"2010-11-24T14:02:47","slug":"jailbreak-apple-iphone-4-3gs-3g-ios-421","status":"publish","type":"post","link":"https:\/\/www.amitbhawani.com\/blog\/jailbreak-apple-iphone-4-3gs-3g-ios-421\/","title":{"rendered":"How to Jailbreak Apple iPhone 4, 3GS, 3G on iOS 4.2.1"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-16808\" src=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo-300x96.png?resize=207%2C66\" alt=\"iPhone 4 jailbreak logo\" width=\"207\" height=\"66\" srcset=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo.png?resize=300%2C96&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo.png?resize=150%2C48&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo.png?w=313&amp;ssl=1 313w\" sizes=\"auto, (max-width: 207px) 100vw, 207px\" \/><\/a>Apple unveiled <a href=\"..\/jailbreak-apple-ipad-ios-421-pwnagetool\/\">iOS 4.2.1 GM<\/a> for iPhone 4, 3GS, 3G, iPad and iPod touches just a day back. The software build which is currently available for the developers can be jail broken using the version 0.9.6b2 of Redsn0w. There have been many feedbacks about Cydia not being working as Apple has changed some of the private API\u2019s which is stopping <a href=\"..\/install-ios4-jailbreak-iphone-ipod\/\">Cydia<\/a> to work but well know that this will be for some period of time. So the good part is that iOS 4.2.1 compatible version of Cydia is ready and is available as iOS 4.2.1 is released to public. Also you can <a href=\"..\/best-cydia-apps-for-jailbroken-iphone-ipod\/\">install jailbreak apps<\/a> as you have now full root access to your device via SSH until the new version of Cydia releases.<\/p>\n<p>Also note that the supported devices are iPod touch 4G \/ 3G \/ 2G and also iPhone 4, 3GS, 3G. For people who are on carrier unlock should not attempt this procedure to unlock of iOS 4.2.1<\/p>\n<p><strong> Procedure to jailbreak iOS 4.2.1 GM release with Redsn0w 0.9.6b2:<\/strong><\/p>\n<ul>\n<li>First you need to Download <a href=\"http:\/\/www.multiupload.com\/KVI1NUBEZV\">iOS 4.2.1 GM<\/a> &amp; also <a href=\"..\/downgrade-apple-ios-firmware\/\">iOS 4.1<\/a> for your iOS device which is essential for Redsn0w 0.9.6b2.<\/li>\n<li>Now, you just need to update\/Restore to iOS 4.2.1 firmware using the IPSW file you just downloaded from <a href=\"https:\/\/www.amitbhawani.com\/blog\/jailbreak-apple-ipad-ios-421-tethered-option\/\" target=\"_blank\">Apple iTunes 10.1<\/a>.<\/li>\n<li>Now start Redsn0w 0.9.6b2 and point it to iOS 4.1 (Final Version, NOT iOS 4.2.1) to proceed with the jailbreak process.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/browse-for-ipsw.png\"><\/a><a href=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-0.9.6b2.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-16923\" src=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-0.9.6b2-277x300.png?resize=277%2C300\" alt=\"redsnow 0.9.6b2\" width=\"277\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-0.9.6b2.png?resize=277%2C300&amp;ssl=1 277w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-0.9.6b2.png?resize=150%2C162&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-0.9.6b2.png?w=460&amp;ssl=1 460w\" sizes=\"auto, (max-width: 277px) 100vw, 277px\" \/><\/a><\/p>\n<ul>\n<li>Now <strong>Browse<\/strong> for IPSW file and proceed to click on <strong>Next<\/strong> after selecting the same.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-options.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-16924\" src=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-options-275x300.png?resize=275%2C300\" alt=\"redsnow options\" width=\"275\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-options.png?resize=275%2C300&amp;ssl=1 275w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-options.png?resize=150%2C163&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/redsnow-options.png?w=461&amp;ssl=1 461w\" sizes=\"auto, (max-width: 275px) 100vw, 275px\" \/><\/a><\/p>\n<ul>\n<li>Now make  sure your device is both OFF and PLUGGED IN to the computer before you  click on <strong>Next<\/strong>.<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/device-is-off-and-plugged-in.bmp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-16925\" src=\"https:\/\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/device-is-off-and-plugged-in.bmp\" alt=\"device is off and plugged in\" width=\"276\" height=\"300\" \/><\/a><\/p>\n<ul>\n<li>Now after clicking on next, you will be presented with a screen where you will have to  quickly hold \u201cPower\u201d button and then while holding the \u201cPower\u201d button,  you will now have to hold \u201cHome\u201d button too. Now after few seconds  you will have to release \u201cPower\u201d button but at the same time keep holding \u201cHome\u201d button until installation  begins.<\/li>\n<\/ul>\n<p>You will Get a  Jail broken Device on the latest <a href=\"https:\/\/www.amitbhawani.com\/blog\/install-ios4-jailbreak-iphone-ipod\/\" target=\"_blank\">iOS 4.2.1<\/a> GM as soon as the process ends. Please note that, If you have an unlocked iDevice with ultrasn0w then its recommended to stay  away  from Redsn0w, as it updates your base band to latest  version, which  is  still un lockable at this point of time. You can also view our <a href=\"https:\/\/www.amitbhawani.com\/blog\/guide-jailbreak-iphone-3g-quickpwn\/\" target=\"_blank\">visual guide to jailbreak iPhone 3G using Quick Pwn.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apple unveiled iOS 4.2.1 GM for iPhone 4, 3GS, 3G, iPad and iPod touches just a day back. The software build which is currently available for the developers can be jail broken using the version 0.9.6b2 of Redsn0w. There have been many feedbacks about Cydia not being working as Apple has changed some of the [&hellip;]<\/p>\n","protected":false},"author":44,"featured_media":16808,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[346],"tags":[],"class_list":{"0":"post-16916","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-apple","8":"entry"},"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo.png?fit=313%2C101&ssl=1","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":16908,"url":"https:\/\/www.amitbhawani.com\/blog\/install-jailbroken-apps-apple-ios-devices-cydia\/","url_meta":{"origin":16916,"position":0},"title":"How to Install Jailbroken Apps on Apple iOS devices without Cydia","author":"Neal","date":"November 25, 2010","format":false,"excerpt":"Finally the update to redsn0w version 0.9.6b4 is out which is now available for download and comes with an ability to install the jail broken iOS 4.2.1 apps without using Cydia. Many of them recently commented that Cydia was not working with quite a few devices as it was having\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"Apple Logo","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/Apple-Logo.png?fit=363%2C441&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16824,"url":"https:\/\/www.amitbhawani.com\/blog\/jailbreak-apple-ipad-ios-421-tethered-option\/","url_meta":{"origin":16916,"position":1},"title":"How to Jailbreak Apple iPad iOS 4.2.1 &#8211; Tethered Option","author":"Neal","date":"November 23, 2010","format":false,"excerpt":"Apple has released the latest iOS 4.2.1and if you are still waiting for the update to reach your device through iTunes or you don\u2019t know how to update then this complete tutorial on how to update the firmware software of Apple will help you in upgrading. Please note that if\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"Jailbreak ipad tethered logo","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/Jailbreak-ipad-tethered-logo-300x125.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16660,"url":"https:\/\/www.amitbhawani.com\/blog\/jailbreak-apple-ipad-ios-421-pwnagetool\/","url_meta":{"origin":16916,"position":2},"title":"How to Jailbreak Apple iPad iOS 4.2.1 with PwnageTool","author":"Neal","date":"November 21, 2010","format":false,"excerpt":"Let us see that how you can easily \u00a0jail break the iPad 4.2.1 i OS. You will be requiring a MAC to jail break the iPad 4.2.1 and need to install Cydia. We will be jail breaking the Apple iPad with the help of a tool called Pwnage Tool. Before\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"JAILBREAK IPAD","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/JAILBREAK-IPAD-225x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":16791,"url":"https:\/\/www.amitbhawani.com\/blog\/jailbreak-apple-iphone-4-ios-421\/","url_meta":{"origin":16916,"position":3},"title":"How to Jailbreak Apple iPhone 4 iOS 4.2.1","author":"Neal","date":"November 22, 2010","format":false,"excerpt":"Last time we saw on how to jailbreak the Apple iPad, now let's see how you can jailbreak the Apple iPhone iOS 4.2.1 by using Pwnage Tool. Before proceeding to jail break your iPad, you will have to make sure that you have downloaded and installed all the softwares like\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"iPhone 4 jailbreak logo","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/11\/iPhone-4-jailbreak-logo-300x96.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12956,"url":"https:\/\/www.amitbhawani.com\/blog\/how-to-unlock-iphone-3g-3gs-on-ios-4-0-1-after-jailbreak\/","url_meta":{"origin":16916,"position":4},"title":"How to Unlock iPhone 3G 3GS on iOS 4.0.1 after Jailbreak New Bootrom","author":"Tony Stark","date":"August 2, 2010","format":false,"excerpt":"Once you have completed the Jailbreaking Procedure with Jailbreakme your device should be ready to be unlocked and usable with any cellular network. If you still have not jailbroken first, check out the Steps to Jailbreak Apple iPhone following which there may be some issues like Purple Screen Error which\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"Souces Cydia Application","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/08\/Souces-Cydia-Application-200x300.png?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":12938,"url":"https:\/\/www.amitbhawani.com\/blog\/steps-to-jailbreak-apple-iphone-3g-3gs-new-bootrom\/","url_meta":{"origin":16916,"position":5},"title":"Steps to Jailbreak Apple iPhone 3G 3GS 4 New Bootrom","author":"Tony Stark","date":"August 2, 2010","format":false,"excerpt":"We had previously written on Jailbreak iPhone 3G 3GS on 3.1.3 iOS4 , but since there was no real solution for the devices on new bootrom the only option was to wait. There was also a option to Jailbreak the New Bootrom iOS4 or 3.1.3 devices but that was a\u2026","rel":"","context":"In &quot;Apple&quot;","block_context":{"text":"Apple","link":"https:\/\/www.amitbhawani.com\/blog\/category\/apple\/"},"img":{"alt_text":"Jailbreak iPhone Safari","src":"https:\/\/i0.wp.com\/www.amitbhawani.com\/blog\/wp-content\/uploads\/2010\/08\/Jailbreak-iPhone-Safari.png?fit=480%2C320&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/posts\/16916","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/comments?post=16916"}],"version-history":[{"count":0,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/posts\/16916\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/media\/16808"}],"wp:attachment":[{"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/media?parent=16916"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/categories?post=16916"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.amitbhawani.com\/blog\/wp-json\/wp\/v2\/tags?post=16916"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}