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Thread: Problems with downgrading from 4.3.3 to 4.2.1

  1. #1
    Default Problems with downgrading from 4.3.3 to 4.2.1
    Phone Information
    Device Model: MC319LL/A - iPhone 4
    Installed Firmware Version: 4.3.3
    Installed Baseband Version: 04.10.01
    Saved SHSH Blobs (Local and Cydia): 4.0.1 / 4.0.2 / 4.1 / 4.2.1 / 4.2b3 / 4.3 / 4.3.2 / 4.3.3

    Now that's out of the way, here's the problem I am having. Ever since upgrading to software version 4.3.3 I have noticed a huge drain on my battery. I've never ran out of battery during the day before upgrading to 4.3.3 and ever since my battery drains half-way through the day.

    I'm trying to downgrade to software version 4.2.1 from saved SHSH blobs. Here's the process I'm taking to do this:
    - Connect phone to USB port
    - Open TinyUmbrella -> Start TSS Server
    - Turn phone off
    - Open iTunes
    - Reboot phone into DFU Mode by holding Power + Home for 10 seconds, release Power and remain holding Home button for another 10 seconds till screen goes black.
    - iTunes recognizes device as its in Recovery Mode.
    - Hold 'option' and click Restore -> Selecting iPhone3,1_4.2.1_8C148_Restore.ipsw

    At this point, iTunes begins going through the firmware restore and goes all the way through correctly. Next as it tries to verify the firmware restore the status bar gets to about 99% then stops and I get this error, "The iPhone, "iPhone" could not be restored. An unknown error occurred (1). Here's my TinyUmbrella Log:

    07/08/2011 20:46:13.578 Caching shsh files...
    07/08/2011 20:46:13.581 Found [10] shsh files to cache...
    07/08/2011 20:46:13.584 Cached [10] shsh files
    07/08/2011 20:46:13.653 Loaded History...
    07/08/2011 20:46:24.980 You are using a BETA version of TinyUmbrella.
    07/08/2011 20:46:24.985 Check HERE for updates.
    07/08/2011 20:46:54.453 TSS Server Started!
    07/08/2011 20:46:54.795 TSS Accepting connections...
    07/08/2011 20:47:19.791 DFU Device connected
    07/08/2011 20:47:53.481 TSS Accepting connections...
    07/08/2011 20:47:53.520 Received Blob request...
    07/08/2011 20:47:53.550 REQUEST: ?xml version="1.0" encoding="UTF-8"?> @BBTicket @HostIpAddress 172.16.4.1 @HostPlatformInfo mac @UUID 66DBCAA4-82AE-4B80-93C4-992636809357 @VersionInfo libauthinstall-100 ApBoardID 0 ApChipID 35120 ApECID 97007449390 ApProductionMode ApSecurityDomain 1 AppleLogo Digest HL99bAIRmR/BPn6krt84k/k1cGE= PartialDigest QAAAAHhYAABnv0CLZ61ZRJEdwMrKYd7mYky8eA== Trusted BatteryCharging Digest ITzJc0ufAo5qeiqmL04A8sjy7Nc= PartialDigest QAAAALgQAQCmb+L7cFUxyW4VfuwY0BWgxij5EA== Trusted BatteryCharging0 Digest RrQVqwrYipe2NGxD7Zh6Lk8Kjg0= PartialDigest QAAAAPgJAQATNr1APXZmQdJSxvBA3b/1fOVH7Q== Trusted BatteryCharging1 Digest efNPvJqsm+gecZnoq157pozGM0U= PartialDigest QAAAADgwAQDzATdlwb2X/rEqjR9c9M6aw+sEXA== Trusted BatteryFull Digest Z84A5EQsiG9A3+X1shxZR25RjXQ= PartialDigest QAAAALiOAwCh1z0VyqiSS0RiRvVO8FiJ+FI2hQ== Trusted BatteryLow0 Digest /lQUEHzqQOylep+ZdRCw+Duf2ek= PartialDigest QAAAAHjeAgD9EB78ReNCiI5lFu34Ap0IN2Sghw== Trusted BatteryLow1 Digest 3KhFcC8vy+dnY6MfOb/VY7mpvmI= PartialDigest QAAAALgrAwBgOba5tizndEwMY+QIEVR9h5XYaw== Trusted BatteryPlugin Digest PPQeVijdzFNYQ6FoI8S+5F1gukI= PartialDigest QAAAAPgGAQB3j8iTar/KT5MjtlpT5NDrxhd0Zw== Trusted DeviceTree Digest FINiaQGestZAYXwsVqnHvowUCs8= PartialDigest QAAAAPjgAAAAFgeYoG9AasWthDD745LVfSmgmQ== Trusted KernelCache Digest t3M1x2Cnow0Uxiro0CIkl7W/Ud4= PartialDigest QAAAALgPVgCjNp01FNXcBlKi7y97ziXr7o4d5Q== Trusted LLB BuildString iBoot-931.71.16~9 PartialDigest QAAAADhxAQDV9C94HykoRX7DnOQn0NoFQUFQgg== RecoveryMode Digest xGgyF/okCb7Q19+HKOA0rfjiHWw= PartialDigest QAAAADgpAgD9EUcssuLBmoDKvvcD7081sTTv1Q== Trusted RestoreDeviceTree Digest FINiaQGestZAYXwsVqnHvowUCs8= PartialDigest QAAAAPjgAAAAFgeYoG9AasWthDD745LVfSmgmQ== Trusted RestoreKernelCache Digest t3M1x2Cnow0Uxiro0CIkl7W/Ud4= PartialDigest QAAAALgPVgCjNp01FNXcBlKi7y97ziXr7o4d5Q== Trusted RestoreLogo Digest HL99bAIRmR/BPn6krt84k/k1cGE= PartialDigest QAAAAHhYAABnv0CLZ61ZRJEdwMrKYd7mYky8eA== Trusted RestoreRamDisk Digest I068naRNPy5OIFoTZduW+btSi3E= PartialDigest QAAAAPig6wCUMfhoypWwd7iveZLmL4r7sdve8g== Trusted UniqueBuildID oqZBKTRaOQTWUJXKSxdOiVi05RY= iBEC BuildString iBoot-931.71.16~9 PartialDigest QAAAADihAwDygc1LsyOexhPuK2y7aroCm6L77g== iBSS BuildString iBoot-931.71.16~9 PartialDigest QAAAADhRAgBSoScLOZ7e8n7DQ+oIBonZxvNi8A== iBoot Digest zZHSzKwkQpyjwXSVwMKyVWX9VRA= PartialDigest QAAAADihAwCXnYHIXmtDdf1nv/ez9RePqdiboQ== Trusted

    07/08/2011 20:47:54.161 Received request for [iPhone4 4.2.1 (8C148)]
    07/08/2011 20:47:54.788 Validating saved SHSH...
    07/08/2011 20:47:55.151 RESPONSE: ?xml version="1.0" encoding="UTF-8"?> @ServerVersion 0.6.30-b2 AppleLogo Blob RElDRUAAAAAIAAAALjUYlhYAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAEhTSFOMAAAAgAAAAM40C0H+Pm xWWyLS+/B8 QVXjj3OAzsnvvEn81irA2FepMB8Fs6pjvzT8Pc2D1ewWa9X0yp 4fmP4XaGoS YOa3Dv7EQ2+wkYN0hRS63puBq+xe/WMw0eRXtGv3p4fY6WrfVRXQiqAqaJlW b5pPimMTVqSp1dHwZ8kY2VsdW5vI63RjVFJFQ4EHAAB1BwAAMI ID+DCCAuCg AwIBAgIBEDANBgkqhkiG9w0BAQUFADBiMQswCQYDVQQGEwJVUz ETMBEGA1UE ChMKQXBwbGUgSW5jLjEmMCQGA1UECxMdQXBwbGUgQ2VydGlmaW NhdGlvbiBB dXRob3JpdHkxFjAUBgNVBAMTDUFwcGxlIFJvb3QgQ0EwHhcNMD cwMTA1MTky MTU5WhcNMjIwMTA1MTkyMTU5WjB+MQswCQYDVQQGEwJVUzETMB EGA1UEChMK QXBwbGUgSW5jLjEmMCQGA1UECxMdQXBwbGUgQ2VydGlmaWNhdG lvbiBBdXRo b3JpdHkxMjAwBgNVBAMTKUFwcGxlIFNlY3VyZSBCb290IENlcn RpZmljYXRp b24gQXV0aG9yaXR5MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMI IBCgKCAQEA /vLd2mU5sHLjA4SB9FbJ0aFKu8gEAfNGDZXhN5UKaUfGxIx5Pkd VBrIGFOt+ pPUj/kI1mO80Bc6a062U0KIPwtK0BEhMI1pbxwudYtPz42sQ/pcIV8YSdncZ 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    07/08/2011 20:47:55.732 Wrote TSS response
    07/08/2011 20:47:56.283 DFU Device disconnected
    07/08/2011 20:48:00.542 Recovery Device connected: 012431002812181
    07/08/2011 20:48:08.351 Recovery Device disconnected: 012431002812181
    07/08/2011 20:51:05.500 TSS Accepting connections...
    07/08/2011 20:51:05.775 Received Blob request...
    07/08/2011 20:51:06.052 REQUEST: ?xml version="1.0" encoding="UTF-8"?> @BBTicket @HostIpAddress 172.16.4.1 @HostPlatformInfo mac @UUID 00E2C629-BF7F-0000-2400-000000000000 @VersionInfo libauthinstall-100 ApBoardID 0 ApChipID 35120 ApECID 97007449390 ApProductionMode ApSecurityDomain 1 BasebandFirmware EBL-Digest B/rJD65edrIfdautbDNZaJuUfOU= FlashPSI-PartialDigest QAQAAMB6AACo7NXgZ2muHRNmX3gIXFDTaxOfUA== FlashPSI-SecPackDigest aV7n5VUpvSbMWA4ImMj4R0vfpmk= FlashPSI-Version 0x00020008 ModemStack-Digest Bf9WSgSASGLSpQqRYdAFIt6Nce8= ModemStack-Length 0x006f0934 ModemStack-SecPackDigest sjmc0PFoajjg5fJLcLztnN27YVM= RamPSI-PartialDigest QAQAAMD5AACPnk/ZFyWqznQdTlQX95aC8NXjqQ== RamPSI-Version 0x00020008 BbChipID 80 BbGoldCertId 257 BbSNUM aeoFaCEIT0RJHMSO BbSkeyId l6s0rAaT9bA7+3JtTiwlTxTicKE= UniqueBuildID oqZBKTRaOQTWUJXKSxdOiVi05RY=

    07/08/2011 20:51:06.793 Received request for [INVALID X.X.X (XXXX)]
    07/08/2011 20:51:07.081 Validating saved SHSH...
    07/08/2011 20:51:07.356 RESPONSE: ?xml version="1.0" encoding="UTF-8"?> @ServerVersion 0.6.30-b2
    07/08/2011 20:51:07.680 Wrote TSS response
    07/08/2011 20:51:12.937 Recovery Device connected: 012431002812181

    I've tried troubleshooting through tutorials I've found but nothing seems to be working. Any information is appreciated. Thanks in advance.

    -clinch9
    Last edited by clinch9; 2011-07-09 at 03:57 AM.

  2. #2
    Retired Moderator iYeow's Avatar
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    Holy Smoke ! long list ... lol
    Do you have wifi sync installed on your computer, if you do, uninstall it and try again.
    OR
    Try on a different computer.

  3. #3
    Yeah I was trying to be as detailed as possible. On a side note, I did indeed try it from my Desktop PC instead of my mac using iFaith to build a custom *signed* IPSW and an older version of iTunes and it finally worked. Running 4.2.1 again and it feels so much stronger.

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