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.
- 3utools Ios 9.3.5 Error 7
- 3utools Ios 9.3.5 Error Update
- 3utools Ios 9.3.5 Error Version
- 3utools Ios 9.3.5 Error 1
Welcome to 3uTools forum. Here you can find all information about iOS and 3uTools. Skip to content. Cannot update to 9.3.5. 3uTools can automatch available firmwares for iOS devices. IOS flashing in normal mode, DFU mode and recovery mode is supported. One-click jailbreak makes the jailbreak process so simple and reliable. More advanced features, including SHSH backup, baseband upgrade/downgrade etc. All-in-One iOS Helper Brings Useful, Delightful Features. Sep 20, 2017 Five tips that helped me. Completely reset your device and leave it for 20 mins. Re-download the phoenix app but make sure to right click and then save. Rumor: Apple Blocks Activation on iOS 9.0-9.3.5 Firmware 2018-1 Posted by 3uTools After reactivating activation for older devices, Apple has again blocked activation for iOS 9 devices.
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.
Thanks for visiting. For more latest updates or supports, follow us on Facebook or Twitter.
Related Articles
iOS 9.3.5 jailbreak tutorial:
Dual-boot 2 iOS versions tutorial:
Requirement
- 32-bit Jailbroken iOS 9.3.5 iDevice
- Coolbootercli 0.6 from https://coolbooter.com
- MobileTerminal from bigboss
- Head to Settings → Display & Brightness → Auto-lock, please select “Never”.
Operations
Step 1 Launch MobileTerminal and input “su”, then click Enter. Here, you need to enter the passcode, the default password is alpine, while you are inputting the password.
Step 2 If you want to install iOS 7.1.2, the storage of iOS 7.1.2 is 8GB, then you shoudl input as the following; coolbootercli 7.1.2 --datasize 8GB
Free VST pitch-correction. Use with subtle settings to nudge off-key vocals back in line. Extreme settings can create sounds like the famous T-Pain or Cher effect. MIDI control mode allows you to fit a recording to a new melody. For more details see the online manual. Gsnap pitch correction auto tune.
Step 3 Then it would automatically download the firmware and partition. After the iOS version install, the screen will show up a reminder “Storage is almost full”. And MobileTerminal will appear “installation succeed”, which means the installation is successful. It will take some time, please wait patiently. (Here, the device will reboot automatically twice, if it fails to reboot, please press Home button and Power Button to reboot several times.)
Step 4 After reboot, check the storage of device, if you can see the partition, please operate next.
Step 5 Re-launch MobileTerminal, input “su” and password. Input coolbooercli -b. It will remind you to lock your screen, please promptly lock the screen as the reminder. (If the device reboot before you lock the screen, please press Home button and Power button to reboot multiple times and re-operate Step 5.)
3utools Ios 9.3.5 Error 7
Then you will see the code is running.
3utools Ios 9.3.5 Error Update
Step 6 Now, you succeed to restore iDevice to iOS 7.1.2. Remember to reset you device as a new iDevice.
3utools Ios 9.3.5 Error Version
Thanks for visiting. For more latest updates or supports, follow us on Facebook or Twitter.
3utools Ios 9.3.5 Error 1
Related Articles