Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode Pazemināt iPhone par 3,0 firmware OS uz 2.2.1 Older ier Firmware Upgrade (DFU) Recovery Mode
Although the new iPhone OS firmware 3.0 is much better in almost every aspects with important new features, however, some may regrets upgrading their orginal iPhone 2G or iPhone 3G to OS software 3.0. Kaut arī jaunā iPhone OS programmaparatūra 3.0 ir daudz labāks gandrīz visos aspektos ar svarīgu jaunas iezīmes, tomēr daži var nožēlu uzlabošana sākotnējā iPhone 2G un iPhone 3G OS programmatūru 3.0. One major complaint is that it's harder to jailbreak or unlock iPhone firmware OS version 3.0. Viens būtisks iebildums ir tas, ka tas ir grūtāk jailbreak vai atbloķētu iPhone firmware OS version 3.0. Beside, during the beta, iPhone UUID must be registered with Apple to update to beta firmware. Blakus laikā beta, iPhone UUID jāreģistrē Apple atjauninājumu beta firmware.
Luckily, it's easy to downgrade from firmware 3.0, in procedure similar to Par laimi, tas ir viegli pazemināt no 3,0 firmware, kas līdzīga kārtība downgrade from iPhone OS 1.1.1 to older version OS downgrade no iPhone OS 1.1.1 uz vecāku versiju OS . . When downgrading from iPhone 3.0, do not that only OS software can be downgraded, but not baseband 04.20.01. Kad pazemināšanu no iPhone 3.0, ne tikai OS programmatūru var ierindot zemākā kategorijā, bet ne baseband 04.20.01.
- Download Lejupielādēt iPhone OS software 2.2.1 .ipsw restore image iPhone OS programmatūru 2.2.1. ipsw atjaunot image . .
- Connect iPhone to Mac OS X or Windows PC system. Pieslēgties iPhone Mac OS X un Windows datoru sistēma.
- Run iTunes. Run iTunes.
- Select the iPhone from the list of devices in iTunes. Izvēlieties iPhone no iekārtu saraksta iTunes.
- For some iPhone that does not been recognized by iTunes, or returns error message such as 1601, 1602 or 1600, the phone has to be put into DFU (Device Firmware Upgrade) recovery mode by following steps: Dažiem iPhone, kas nav atzīta ar iTunes, vai atgriež kļūdas paziņojumu, piemēram, 1601, 1602 vai 1600, tālrunis ir laists DFU (Device Firmware Upgrade) atjaunošanas režīmā, šādus pasākumus:
- Connect iPhone to computer. Pieslēgties iPhone ar datoru.
- Turn iPhone off. Turn iPhone off.
- Press and hold Power and Home buttons on iPhone simultaneously for 10 seconds until phone turns off (screen goes dark) to reboot iPhone. Nospiediet un turiet Power Home pogas iPhone vienlaicīgi 10 sekundes, līdz tālrunis izslēdzas (ekrāns paliek tumšs) atsāknēšana iPhone.
- Right after iPhone reboots, release Power button but keep pressing Home button for about another 10 seconds, until the PC computers beeps or displays a notification as a USB device is recognized. Tūlīt pēc iPhone reboots, atlaidiet Power pogu, bet paturēt nospiežot pogu Sākums aptuveni vēl 10 sekundes, kamēr PC datoriem iepïkstas vai parāda paziņojumu, USB ierīce ir atpazīta.
- iTunes should automatically detect iPhone in DFU recovery mode. iTunes automātiski atklāt IPHONE DFU atgūšanas režīmā.
- On the Summary tab, press and hold Option (for Mac OS X system) or Shift (for Windows system), and then click Restore. Par Summary tab, nospiediet un turiet nospiestu Option (Mac OS X sistēma), vai Shift (Windows sistēmā), un pēc tam noklikšķiniet uz Atjaunot.
- Browse and locate the iPhone firmware OS software update .ipsw file that was downloaded. Pārlūkot un atrodiet iPhone firmware OS programmatūras atjauninājumu. Ipsw failu, kas tika lejupielādēta.
- Click on Restore . Klikšķiniet uz Restore.
- Ignore error message like 1011, 1013, 1015 that appears at the end of the restoration process even though the older version of the firmware OS software is successfully installed. Ignorēt kļūdas ziņojums kā 1011, 1.015 1.013, ka parādās beigās atjaunošanas process, lai gan vecāku versiju firmware OS programmatūra tiek veiksmīgi uzstādīta.
To jailbreak iPhone OS 2.2.1, use Jailbreak iPhone OS 2.2.1, lietojiet QuickPwn 2.2.5 QuickPwn 2.2.5 or vai PwnageTool 2.2.5 PwnageTool 2.2.5 . . To unlock iPhone, you probably have to downgrade to Lai atbloķētu iPhone, jūs, iespējams, ir pazemināt līdz iPhone OS software 2.2 iPhone OS programmatūru 2,2 and uses un pielietojums yellowsn0w yellowsn0w to unlock it. , lai to atbloķētu.
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August 27th, 2009 11:58 Augusts 27, 2009 11:58
has anybody actually tired this and it worked??? ir kāds tiešām noguris šo un tā strādāja?