Downgrade iPhone on Firmware OS 3.0 to Older 2.2.1 in Device Firmware Upgrade (DFU) Recovery Mode Downgrade iPhone Firmware OS 3,0 menjadi Older 2.2.1 dalam 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. Walaupun firmware iPhone baru OS 3.0 jauh lebih baik di hampir setiap aspek dengan fitur-fitur baru yang penting Namun, beberapa mungkin menyesal upgrade iPhone asli mereka 2G atau iPhone 3G untuk perangkat lunak OS 3.0. One major complaint is that it's harder to jailbreak or unlock iPhone firmware OS version 3.0. Salah satu keluhan utama adalah bahwa lebih sulit untuk jailbreak atau unlock iPhone firmware versi OS 3.0. Beside, during the beta, iPhone UUID must be registered with Apple to update to beta firmware. Samping, selama beta, iPhone UUID harus terdaftar dengan Apple untuk update ke firmware versi beta.

Luckily, it's easy to downgrade from firmware 3.0, in procedure similar to Untungnya, mudah untuk downgrade dari firmware 3.0, dalam prosedur mirip downgrade from iPhone OS 1.1.1 to older version OS iPhone OS downgrade dari 1.1.1 ke versi lama OS . . When downgrading from iPhone 3.0, do not that only OS software can be downgraded, but not baseband 04.20.01. Ketika merendahkan dari iPhone 3.0, tidak hanya perangkat lunak OS dapat diturunkan, tetapi tidak baseband 04.20.01.

1. Download Unduh iPhone OS software 2.2.1 .ipsw restore image iPhone software OS 2.2.1. ipsw mengembalikan citra . .
2. Connect iPhone to Mac OS X or Windows PC system. Hubungkan iPhone ke Mac OS X atau Windows sistem PC.
3. Run iTunes. Jalankan iTunes.
4. Select the iPhone from the list of devices in iTunes. Pilih iPhone dari daftar perangkat di 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: Untuk beberapa iPhone yang tidak pernah diakui oleh iTunes, atau kembali pesan kesalahan seperti 1601, 1602 atau 1600, telepon harus dimasukkan ke dalam DFU (Device Firmware Upgrade) recovery mode dengan mengikuti langkah-langkah:
   1. Connect iPhone to computer. Hubungkan iPhone ke komputer.
   2. Turn iPhone off. IPhone Turn off.
   3. Press and hold Power and Home buttons on iPhone simultaneously for 10 seconds until phone turns off (screen goes dark) to reboot iPhone. Tekan dan tahan tombol Power dan Home pada iPhone secara bersamaan selama 10 detik sampai mematikan telepon (layar pergi gelap) untuk reboot 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. Tepat setelah reboot iPhone, lepaskan tombol Power tapi tetap menekan tombol Home selama 10 detik lagi, sampai komputer PC berbunyi 'bip' atau menampilkan pemberitahuan sebagai perangkat USB diakui.
   5. iTunes should automatically detect iPhone in DFU recovery mode. iTunes akan secara otomatis mendeteksi DFU iPhone dalam recovery mode.
6. On the Summary tab, press and hold Option (for Mac OS X system) or Shift (for Windows system), and then click Restore. Pada tab Ringkasan, tekan terus Pilihan (untuk Mac OS X system) atau Shift (untuk sistem Windows), dan kemudian klik Kembalikan.
7. Browse and locate the iPhone firmware OS software update .ipsw file that was downloaded. Browse dan cari firmware iPhone OS pembaruan perangkat lunak. Ipsw file yang sudah didownload.
8. Click on Restore . Klik Kembalikan.
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. Abaikan pesan kesalahan seperti 1011, 1013, 1015 yang muncul di bagian akhir proses pemulihan walaupun versi lama dari firmware software OS berhasil diinstal.

To jailbreak iPhone OS 2.2.1, use Untuk jailbreak iPhone OS 2.2.1, gunakan QuickPwn 2.2.5 QuickPwn 2.2.5 or atau PwnageTool 2.2.5 PwnageTool 2.2.5 . . To unlock iPhone, you probably have to downgrade to Untuk membuka iPhone, Anda mungkin harus downgrade ke iPhone OS software 2.2 iPhone software OS 2,2 and uses dan menggunakan yellowsn0w yellowsn0w to unlock it. untuk mengaktifkannya.

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This entry was posted on Wednesday, July 1st, 2009 at 10:22 pm and is filed under Catatan ini telah diposting pada Rabu, Juli 1, 2009 pada 10:22 am and is filed under Application for Mobile Device Aplikasi untuk Mobile Device . . You can follow any responses to this entry through the Anda dapat mengikuti respon untuk entri ini melalui RSS 2.0 RSS 2.0 feed. You can feed. Anda dapat leave a response meninggalkan Tanggapan , or Atau trackback Pelacakan from your own site. dari situs Anda sendiri.