3uTools can also restart and shut down the device, download wallpapers, jailbreak the device, download games, and apps for free, etc. The iPhone Helper can also install on the device an app named 3u that allows you to download apps and games for free without. Jan 31, 2018 To restore the iPhone when your apps are error, you often use iTunes to do this, but 3uTools app has the same function to restore iPhone as iTunes, the work is much simpler. To restore your iPhone, follow these steps: Step 1: Download the latest version of 3uTools. Step 2: Open the application on select Flash & JB. May 12, 2016.iPhone 3GS without SHSH file backup can be downgraded to iOS4.1 using 3uTools.iPhone 4 with SHSH file backups can be downgraded to any compatible firmware using 3uTools. 3.3uTools can help read iPhone 4, 3GS and 3G’s passwords, and remove their disabled mode, “iPhone.

Recently, many iOS users complained that there is an annoying unknown error 3503 in iTunes, which stop them from restoring and updating. In fact, Apple isn’t made a full explanation of iTunes error code 3503 yet.

On 3uTools, the error is “Unable to request SHSH”. And on iTunes, it is an unknown error (3503). After we tested and researched, our developer team find out that this issue may be caused by Apple server. As a result, users can not restore their iDevices using iTunes or earlier versions of 3uTools.

3u Team try our best to solve this issue as soon as possible. And finally, we released a new version of 3uTools, V2.16 to fix this.

#Update log of V2.16 3uTools

• Fix the error unable to request SHSH while restoring.

• Support flashing iPhone 8 and iPhone 8 Plus.

• Fix a bug that iPhone 6s and 6s Plus fail to downgrade back to iOS 10.3.3 from iOS 11.

Solutions

1. Please click “Check Update” at the right bottom of 3uTools, and then update to the latest version of 3uTools, V2.16.

2. Then you can restore on 3uTools. Please check the network connection and USB connection before you easy flash on 3uTools.

The reasons of the error “Unable to request SHSH”

1. It could be the network problem. Please check the network to see if it is available.

2. The iOS version you want to restore may be closed by Apple, please check.

3. If you try the above solutions but still meets the same error, then please update to latest version of 3uTools and try to restore again.

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Jailbreaking is available for all 32-bits devices after Phoenix and H3lix released. And jailbreaking could help to restore to some unsigned iOS versions. Here’s the completed tutorial about downgrading to any iOS version with shsh. You can save shsh on 3uTools restore to the current iOS version on your device.

Thanks developer tihmstar and his futurerestore tool.

Compatibility

iPhone 4s, iPhone 5, iPhone 5c, iPad 2, iPad 3, iPad 4, iPad mini, iPod touch 5G

Available Firmware to Restore

With corresponding SHSH, you can restore to iOS 5 - iOS 9. (Except iOS 9 on iPhone 5/5c)

Requirements

• Futurerestore (downgrading tool) For iPhone 5/5c running on iOS 10+, please downgrade this: Futurerestore for iPhone 5/5c

• 3uTools

• iTunes

• A 32-bit device

• A jailbreak on the starting firmware.

• The IPSW file for the destination firmware, you can download from http://www.3u.com/firmwares

On 3uTools server, I’ve only saved SHSH of iOS 9.3.5 and iOS 6.1.3 for our testing iDevice, iPhone 4s, but I saved the SHSH Of iOS 8.3 on another server. So I will take downgrading to iOS 8.3 for example.

Operation

1. Verify SHSHLittle snitch is blocking google keep app.

(1) Check and download SHSH of iOS 8.3 you saved on 3uTools. (If you saved SHSH on another server, you can just downloaded.)

(2) This assistant tool is developed by a Chinese developer, there’s only Chinese version temporarily. /cooking-light-book-download.html.

Download and unzip Futurerestore, and launch wndGui.exe, you will see as follow.

3utools To Restore Iphone Without Shsh Password

(3) Click the fifth button, '验证SHSH'. After you select the iOS firmware and SHSH, click “确定” to begin verifying.

(4) The following picture means that the SHSH is legit, it will automatically generate the .plist file of SHSH. You can put the .plist file and iOS 8.3 firmware in the new folder.

2. Enter KDFU mode

There are two ways for you enter KDFU mode. Method 1Install kdfu app. Please check the picture below to know the compatibility.

3utools To Restore Iphone Without Shsh Download

Method 2 Enter KDFU mode using Futurerestore

3. Downgrading

(1) After you enter KDFU mode, click the final button '立刻刷机', then it will automatically launch Futurerestore.

(2) Then input the following command

3utools To Restore Iphone Without Shsh Without

libfuturerestore.exe --latest-baseband --use-pwndfu -t

E:Desktop3uToolsiPhone4,1_8.3(12F70)_000002CA44143D4B(3067748826443).plist

E:Desktop3uToolsiPhone4,1_8.3_12F70_Restore.ipsw

The words in red is the path of firmware and shsh, please modify them based on your actual situation.

Note: If the form is wrong, you won't be able to downgrade, the form will be like: libfuturerestore.exe --latest-baseband --use-pwndfu -t oneblank the path of shshone blankthe path of firmware

(3) After you enter the command and press “Enter” to start downgrading process. If all your operations are correct, Futurerestore will be running. Please wait patiently till the process is finished.

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