Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode Downgrade 3,0 KT dėl "iPhone firmware į 2.2.1 Senesnės Įrenginių Firmware Upgrade (DFU) Atkūrimo režimas

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. Nors nauja OS iPhone firmware 3.0 yra daug geresnis beveik visose aspektus, svarbius naujų funkcijų, tačiau kai kurie gali apgailestauja pagerinti savo pradinį iPhone 2G arba 3G iPhone OS su programine įranga 3.0. One major complaint is that it's harder to jailbreak or unlock iPhone firmware OS version 3.0. Vienas pagrindinių skundą, kad tai sunkiau Jailbreak arba atrakinti iPhone firmware OS versija 3.0. Beside, during the beta, iPhone UUID must be registered with Apple to update to beta firmware. Šalia, per beta, iPhone UUID turi būti registruotas Apple atnaujinti beta firmware.

Luckily, it's easy to downgrade from firmware 3.0, in procedure similar to Laimei, tai lengva downgrade iš firmware 3,0, o procedūra panaši į downgrade from iPhone OS 1.1.1 to older version OS smukimą nuo iPhone OS 1.1.1 į senesnę OS . . When downgrading from iPhone 3.0, do not that only OS software can be downgraded, but not baseband 04.20.01. Kai smukimą nuo iPhone 3,0, ne tik Operacinės sistemos programinė įranga gali būti sumažintas, tačiau ne Baseband 04.20.01.

  1. Download Atsisiųsti iPhone OS software 2.2.1 .ipsw restore image iPhone OS programinė įranga 2.2.1. ipsw atkurti vaizdas . .
  2. Connect iPhone to Mac OS X or Windows PC system. Prisijungimas iPhone "Mac OS X arba Windows PC sistemai.
  3. Run iTunes. Pradėti iTunes.
  4. Select the iPhone from the list of devices in iTunes. Pasirinkite iš įrenginių sąrašą 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: Dėl kai kurių iPhone, kuris nebuvo pripažintas iTunes, arba grąžina klaidos pranešimą, tokių kaip 1.601, 1602 arba 1600, telefonas turi būti įdėti į DFU (Įtaiso Firmware Upgrade) Atkūrimo režimu atlikite šiuos veiksmus:
    1. Connect iPhone to computer. Prisijungimas iPhone prie kompiuterio.
    2. Turn iPhone off. Turn iPhone išjungti.
    3. Press and hold Power and Home buttons on iPhone simultaneously for 10 seconds until phone turns off (screen goes dark) to reboot iPhone. Paspauskite ir palaikykite Maitinimo ir vidaus mygtukai iPhone vienu metu 10 sekundžių, kol telefonas išsijungia (ekranas tampa tamsus) paleisti 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. Iškart po iPhone iš naujo paleisti, išlaisvinti Power mygtuką, bet toliau paspaudus pradžios mygtuką dar maždaug 10 sekundžių, kol PC kompiuteriams pypteli arba rodomas kaip USB pranešimas yra pripažinta.
    5. iTunes should automatically detect iPhone in DFU recovery mode. iTunes turi automatiškai aptikti iPhone DFU atkūrimo režimas.
  6. On the Summary tab, press and hold Option (for Mac OS X system) or Shift (for Windows system), and then click Restore. Apie "Santrauka", paspauskite ir palaikykite variantas (Mac OS X sistema) arba "Shift" (Windows sistemoje), o tada spustelėkite Atkurti.
  7. Browse and locate the iPhone firmware OS software update .ipsw file that was downloaded. Naršyti ir raskite iPhone firmware OS programinės įrangos atnaujinimą. Ipsw failą, kuris buvo paimtas.
  8. Click on Restore . Spustelėkite Atkurti.
  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. Nepaisyti klaidos pranešimą, kaip 1.011, 1013, 1015, matomas ir atkūrimo proceso pabaigos, nors senesnę firmware OS programinė įranga sėkmingai įdiegta.

To jailbreak iPhone OS 2.2.1, use Norėdami Jailbreak iPhone OS 2.2.1, naudojimo QuickPwn 2.2.5 QuickPwn 2.2.5 or arba PwnageTool 2.2.5 PwnageTool 2.2.5 . . To unlock iPhone, you probably have to downgrade to Norìdami atrakinti iPhone, tikriausiai turi grįžti prie iPhone OS software 2.2 iPhone OS programinė įranga 2,2 and uses ir naudoja yellowsn0w Yellowsn0w to unlock it. atrakinti jį.

IMPORTANT : The page is machine translated and provided "as is" without warranty. DĖMESIO: Šis puslapis yra mašina išvertė ir pateikiama "kaip yra" be garantijų. Machine translation may be difficult to understand. Automatinis vertimas gali būti sunku suprasti. Please refer to Remkitės original English article originalas anglų straipsnis whenever possible. jei įmanoma.


2 Responses to “Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode” 2 Responses to "downgrade IPHONE 3,0 OS firmware senesnius 2.2.1 Įrenginių Firmware Upgrade (DFU) Atkūrimo režimas"

  1. HOSSAM Hossam
    October 17th, 2009 09:53 17 spalis 2009 09:53
    2 2

    THANX Thanx

  2. Nhat Niat
    August 27th, 2009 11:58 27 rugpjūtis 2009 11:58
    1 1

    has anybody actually tired this and it worked??? yra kas nors tikrai pavargau tai ir jis dirbo?

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