Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode Strmina iPhone Firmware OS na 3,0 do Starejše 2.2.1 v Device 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. Čeprav novi iPhone OS 3,0 firmware je veliko boljši v skoraj vseh vidikov, s pomembnimi novimi funkcijami, pa nekatere lahko obžaluje, izboljšanje njihove prvotne iPhone 2G ali iPhone 3G za programsko opremo OS 3.0. One major complaint is that it's harder to jailbreak or unlock iPhone firmware OS version 3.0. Eden glavnih očitek je, da je težje Bjekstvo iz zapora ali odkleniti iPhone firmware OS prevod 3.0. Beside, during the beta, iPhone UUID must be registered with Apple to update to beta firmware. Zraven, med beta, iPhone UUID morajo biti registrirani pri Apple posodobitev za beta firmware.

Luckily, it's easy to downgrade from firmware 3.0, in procedure similar to Na srečo, to je enostavno strmina od firmware 3,0, v podoben postopek downgrade from iPhone OS 1.1.1 to older version OS strmina od iPhone OS 1.1.1 do starejših OS version . . When downgrading from iPhone 3.0, do not that only OS software can be downgraded, but not baseband 04.20.01. Ko strmina od iPhone 3.0, ne da se lahko zniža samo OS programsko opremo, vendar ne v osnovnem pasu 04.20.01.

1. Download Prenesti iPhone OS software 2.2.1 .ipsw restore image iPhone OS software 2.2.1. ipsw obnoviti image . .
2. Connect iPhone to Mac OS X or Windows PC system. Povežite iPhone za Mac OS X ali Windows PC sistem.
3. Run iTunes. Run iTunes.
4. Select the iPhone from the list of devices in iTunes. Izberite s iPhone seznam naprav v iTunes.
5. 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: Za nekatere iPhone, ki pa ni bila priznana z iTunes, ali vrne sporočilo o napaki, kot so 1601, 1602 ali 1600, telefon je treba dati v DFU (Device Firmware Upgrade), način izterjave z naslednjim korakom:
   1. Connect iPhone to computer. Povežite iPhone na računalnik.
   2. Turn iPhone off. Turn off iPhone.
   3. Press and hold Power and Home buttons on iPhone simultaneously for 10 seconds until phone turns off (screen goes dark) to reboot iPhone. Pritisnite in držite Power in notranje gumbov na iPhone hkrati za 10 sekund, dokler se telefon izklopi (screen goes dark) v odmevajoč iPhone.
   4. 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. Takoj po iPhone odmevajoč, spustite gumb za vklop, vendar vodi Home pritiskom gumba za približno še 10 sekund, dokler PC računalniki piska ali prikaže obvestilo, kot je naprava USB je priznan.
   5. iTunes should automatically detect iPhone in DFU recovery mode. iTunes naj samodejno zazna iPhone v DFU načinu izterjave.
6. On the Summary tab, press and hold Option (for Mac OS X system) or Shift (for Windows system), and then click Restore. Na kartici »Povzetek«, pritisnite tipko in možnost (za sistem Mac OS X) ali Shift (za sistem Windows), in nato kliknite Obnovi.
7. Browse and locate the iPhone firmware OS software update .ipsw file that was downloaded. Brskanje in poiščite iPhone firmware OS software modernizirati. Ipsw datoteko, ki je bilo preneseno.
8. Click on Restore . Kliknite na Obnovi.
9. 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. Prezri sporočilo o napaki, kot so 1011, 1013, 1015, ki se pojavi ob koncu obnove postopka, čeprav starejšo različico programske opreme firmware OS je uspešno nameščen.

To jailbreak iPhone OS 2.2.1, use Če želite Bjekstvo iz zapora iPhone OS 2.2.1, uporaba QuickPwn 2.2.5 QuickPwn 2.2.5 or ali PwnageTool 2.2.5 PwnageTool 2.2.5 . . To unlock iPhone, you probably have to downgrade to Če želite odkleniti iPhone, boste verjetno morali strmina iPhone OS software 2.2 iPhone OS 2,2 software and uses in uporabe yellowsn0w yellowsn0w to unlock it. za odklepanje.

IMPORTANT : The page is machine translated and provided "as is" without warranty. POMEMBNO: stran je stroj prevod in če "kot je" brez garancije. Machine translation may be difficult to understand. Strojno prevajanje je lahko težko razumeti. Please refer to Prosimo, da original English article original angleški člen whenever possible. kadar je to mogoče.

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