{"id":10762,"date":"2011-02-12T18:32:31","date_gmt":"2011-02-12T15:32:31","guid":{"rendered":"http:\/\/jailbreak-iphone.ru\/?p=10762"},"modified":"2011-02-12T18:32:31","modified_gmt":"2011-02-12T15:32:31","slug":"tutorial-jailbreak-ios-421-greenpois0n-windows-2","status":"publish","type":"post","link":"https:\/\/jailbreak-iphone.ru\/en\/tutorial-jailbreak-ios-421-greenpois0n-windows-2\/","title":{"rendered":"Step-by-step tutorial: untethered jailbreak iOS 4.2.1 on iPhone, iPod or iPad using Greenpois0n for Windows"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10774\" title=\"gp_web_win\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/gp_web_win.jpg\" alt=\"gp_web_win\" width=\"350\" height=\"350\" \/><\/p>\n<p>These are step-by-step instructions on how to jailbreak iOS 4.2.1 on iPhone 3GS, iPhone 4, iPad, iPod Touch 2G, iPod Touch 3G, iPod Touch 4G using Greenpois0n for Windows. <a href=\"https:\/\/jailbreak-iphone.ru\/en\/category\/all\/tutorial\/\" target=\"_blank\" class=\"slink\" title=\"Tutorial\" >Tutorial<\/a> for Mac OS X users is available <noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/tutorial-jailbreak-ios-421-greenpois0n-mac\/\" ><strong>here<\/strong><\/a><\/noindex>. All the steps are the same for all devices, we will cover iPhone.<\/p>\n<p>Greenpois0n has been  updated to support the iOS 4.1 and iOS 4.2.1 <a href=\"https:\/\/jailbreak-iphone.ru\/en\/category\/all\/software\/firmware\/\" target=\"_blank\" class=\"slink\" title=\"firmware\" >firmware<\/a>.  Use Limera1n if you want to jailbreak iOS 4.0, iOS 4.0.1, iOS 4.0.2.<\/p>\n<p>Remember:  Greenpois0n recommends a clean restore before continuing.<\/p>\n<p><strong>Unlockers<\/strong>: do not  update to iOS 4.1 or iOS 4.2.1 if you need the <a href=\"https:\/\/jailbreak-iphone.ru\/en\/category\/all\/unlock\/\" target=\"_blank\" class=\"slink\" title=\"unlock\" >unlock<\/a>.  Ultrasn0w does  not support that baseband yet.  The only exception is the iPhone 4. Experienced users can also try update to iOS 4.2.1 without upgrading your baseband by using  TinyUmbrella. Start TSS Server-&gt;Start iTunes-&gt;Plug in your  iPhone-&gt;Restore 4.2.1-&gt;Error 1013-&gt;Put phone into DFU  Mode-&gt;Launch Greenpois0n.<\/p>\n<p><strong>We are not authors of this app. We do not promise that everything will go well, use this tutorial at your own risk.<\/strong><\/p>\n<p><strong>Step One<\/strong><br \/>\nOpen your web browser and download the latest Windows version of GreenPois0n from <strong><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/utilities\/#GreenPois0n\" >here<\/a><\/noindex><\/strong>.<\/p>\n<p><!--more--><\/p>\n<p><strong>Step Two<\/strong><br \/>\nWhen prompted save the download to your desktop.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10763\" title=\"greenpois0n_win_1\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_1.png\" alt=\"greenpois0n_win_1\" width=\"476\" height=\"348\" \/><\/p>\n<p><strong>Step Three<\/strong><br \/>\nDouble click the downloaded <em>gp_win_rc5_b2.zip<\/em> file then drag the <em>greenpois0n.exe<\/em> file to the desktop.  Double <em>greenpois0n.exe<\/em> from the desktop to launch the application<\/p>\n<p><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_2.png\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10764\" title=\"greenpois0n_win_2\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_2-500x358.png\" alt=\"greenpois0n_win_2\" width=\"500\" height=\"358\" \/><\/a><\/noindex><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10765\" title=\"greenpois0n_win_3\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_3.png\" alt=\"greenpois0n_win_3\" width=\"152\" height=\"88\" \/><\/p>\n<p><strong>Step Four<\/strong><br \/>\nConnect your iPhone to the computer, power it off. Then click the large <em>Prepare to Jailbreak (DFU) <\/em>button in greenpois0n app.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10766\" title=\"greenpois0n_win_4\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_4.png\" alt=\"greenpois0n_win_4\" width=\"560\" height=\"322\" \/><\/p>\n<p><strong>Step Five<\/strong><\/p>\n<p>You will now be instructed on how to place your iPhone into DFU mode.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10767\" title=\"greenpois0n_win_5\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_5.png\" alt=\"greenpois0n_win_5\" width=\"560\" height=\"322\" \/><\/p>\n<p>You will be asked to press and hold the sleep button (power button) for 3 seconds.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10768\" title=\"greenpois0n_win_6\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_6.png\" alt=\"greenpois0n_win_6\" width=\"560\" height=\"322\" \/><\/p>\n<p>Now continue holding sleep button and and press home for 10 seconds.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10769\" title=\"greenpois0n_win_7\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_7.png\" alt=\"greenpois0n_win_7\" width=\"560\" height=\"322\" \/><\/p>\n<p>Release sleep button and continue holding the home button.  <strong>Do not release the Home button at this point!<\/strong>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10770\" title=\"greenpois0n_win_8\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_8.png\" alt=\"greenpois0n_win_8\" width=\"560\" height=\"322\" \/><\/p>\n<p><strong>Step Six<\/strong><br \/>\nOnce your iPhone is successfully in DFU mode you may click the <em>Jailbreak<\/em> button. <strong>You need to continue holding the home button.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10771\" title=\"greenpois0n_win_9\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_9.png\" alt=\"greenpois0n_win_9\" width=\"560\" height=\"322\" \/><\/p>\n<p><strong>Step Seven<\/strong><\/p>\n<p>Greenpois0n will now jailbreak your device.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10772\" title=\"greenpois0n_win_10\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_10.png\" alt=\"greenpois0n_win_10\" width=\"560\" height=\"322\" \/><\/p>\n<p>Click the <em>Quit<\/em> button once the <a href=\"https:\/\/jailbreak-iphone.ru\/en\/category\/all\/software\/\" target=\"_blank\" class=\"slink\" title=\"software\" >software<\/a> application has completed. Now you can release the Home button.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10773\" title=\"greenpois0n_win_11\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n_win_11.png\" alt=\"greenpois0n_win_11\" width=\"560\" height=\"322\" \/><\/p>\n<p>You&#8217;ll notice some text scrolling on your device.<\/p>\n<p><strong>Step Eight<\/strong><br \/>\nAfter the iPhone restarts you&#8217;ll see a new <em>Loader<\/em> application on your Springboard.  Press to launch it.<\/p>\n<p><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s9.jpg\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10702\" title=\"greenpois0n-rc5-s9\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s9-266x400.jpg\" alt=\"greenpois0n-rc5-s9\" width=\"266\" height=\"400\" \/><\/a><\/noindex><\/p>\n<p><strong>Step Nine<\/strong><br \/>\nSelect Cydia then press the large <em>Install<\/em> Cydia button that appears. Now Cydia will be downloaded from internet, so you need internet connection through wi-fi or edge\/3g.<\/p>\n<p><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s10.png\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10703\" title=\"greenpois0n-rc5-s10\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s10-266x400.png\" alt=\"greenpois0n-rc5-s10\" width=\"266\" height=\"400\" \/><\/a><\/noindex> <noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s11.png\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10704\" title=\"greenpois0n-rc5-s11\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s11-266x400.png\" alt=\"greenpois0n-rc5-s11\" width=\"266\" height=\"400\" \/><\/a><\/noindex><\/p>\n<p><strong>Step Ten<\/strong><br \/>\nOnce Cydia has installed successfully you can remove Loader by pressing the <em>Options<\/em> button then the large red <em>Remove Loader.app<\/em> button.<\/p>\n<p><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s12.png\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10705\" title=\"greenpois0n-rc5-s12\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s12-266x400.png\" alt=\"greenpois0n-rc5-s12\" width=\"266\" height=\"400\" \/><\/a><\/noindex> <noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s13.png\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10706\" title=\"greenpois0n-rc5-s13\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s13-266x400.png\" alt=\"greenpois0n-rc5-s13\" width=\"266\" height=\"400\" \/><\/a><\/noindex><\/p>\n<p><strong>Step Eleven<\/strong><br \/>\nRestart your iPhone and run Cydia.  Let it do all the necessary updates.<\/p>\n<p><noindex><a target=\"_blank\" rel=\"nofollow\" href=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s14.jpg\" ><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-10707\" title=\"greenpois0n-rc5-s14\" src=\"http:\/\/jailbreak-iphone.ru\/wp-content\/uploads\/2011\/02\/greenpois0n-rc5-s14-266x400.jpg\" alt=\"greenpois0n-rc5-s14\" width=\"266\" height=\"400\" \/><\/a><\/noindex><\/p>\n<p>You&#8217;re done!<\/p>\n<p><strong>Update<\/strong>:To change the boot logo back to Apple: install &#8220;Apple Boot Logo&#8221; from Cydia, then go to Settings-BootLogo and select Apple Logo.<\/p>","protected":false},"excerpt":{"rendered":"<p>These are step-by-step instructions on how to jailbreak iOS 4.2.1 on iPhone 3GS, iPhone 4, iPad, iPod Touch 2G, iPod Touch 3G, iPod Touch 4G using Greenpois0n for Windows. Tutorial for Mac OS X users is available here. All the steps are the same for all devices, we will cover iPhone. Greenpois0n has been updated [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,16,10,11,889],"tags":[26,40,41,648,1200,44,901,903,57,1213,68,906,1414,831,1161,539,542,1415,139,993,994,995,1078,1090,1079,1109,1202,161,162,166,167,706,173,177,178,179,180,1093,847,184,187,1115,1119,1011,199,200,599,267,302,1186,618,1285,1410,312,1411,1418,1188,1376,782,314,636,323,328,1193,1144,1145,1070,1071,808,807,1069,1378,1074,810],"class_list":["post-10762","post","type-post","status-publish","format-standard","hentry","category-all","category-firmware","category-software","category-tutorial","category-unlock-jailbreak","tag-2-1","tag-3g","tag-3gs","tag-4-0","tag-4-2-1","tag-4g","tag-ads","tag-app","tag-apple","tag-application","tag-baseband","tag-browser","tag-cydia","tag-download","tag-ed","tag-edge","tag-error","tag-firmware","tag-greenpois0n","tag-ios","tag-ios-4","tag-ios-4-0","tag-ios-4-0-1","tag-ios-4-0-2","tag-ios-4-1","tag-ios-4-2","tag-ios-4-2-1","tag-ipad","tag-iphone","tag-iphone-3g","tag-iphone-3gs","tag-iphone-4","tag-ipod","tag-ipod-touch","tag-ipod-touch-2g","tag-ipod-touch-3","tag-ipod-touch-3g","tag-ipod-touch-4","tag-ipod-touch-4g","tag-itunes","tag-jailbreak","tag-jailbreak-ios-4","tag-jailbreak-ios-4-2","tag-limera1n","tag-mac","tag-mac-os-x","tag-poi","tag-redsn0w","tag-test","tag-tethered","tag-tethered-jailbreak","tag-tinyumbrella","tag-tutorial","tag-ultrasn0w","tag-unlock","tag-unlock-jailbreak","tag-untethered","tag-untethered-jailbreak","tag-update","tag-usb","tag-web-browser","tag-wi-fi","tag-windows","tag-zip","tag-1144","tag-1145","tag-1070","tag-1071","tag-808","tag-807","tag--ios-4","tag-1378","tag-1074","tag-810"],"_links":{"self":[{"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/posts\/10762","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/comments?post=10762"}],"version-history":[{"count":0,"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/posts\/10762\/revisions"}],"wp:attachment":[{"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/media?parent=10762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/categories?post=10762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jailbreak-iphone.ru\/en\/wp-json\/wp\/v2\/tags?post=10762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}