What does the “3uTools Flash” mean?
The 3uTools Flash can restore all iOS devices to the compatible iOS firmware whose signing the Apple hasn’t stopped, downgrade some iOS devices, such as iPhone 4 and 3GS with the SHSH file backups, to the compatible iOS firmware, and upgrade all iOS devices to the latest iOS firmware. Notably that the 3uTools provides a very rapid downloading and flashing speed.
Which of the iOS firmware versions can 3uTools Flash support?
The 3uTools is a comprehensive iOS tool, and currently, the version2.10 supports iOS 10.3 beta flash. You can click on the Flash Jailbreak→Pro Flash→Query SHSH, in order to find which firmware your iOS device can flash now. It’s worth noting that the 3uTools can be automatically select the compatible firmware for your device and then you are allowed to download one of the available options with an impressively rapid speed.
What devices can “3uTools Flash” support?
The 3uTools Flash can restore and upgrade the following iOS devices:
- iPhone6/6 Plus
- iPhone6S/6S Plus
- iPad mini1/2/3/4
- iPad Air1/2
- iPod Touch1/2/3/4/5/6
What devices can “3uTools Flash” downgrade?
Firstly, it’s suggested to click on the Flash Jailbreak→Pro Flash→Query SHSH in order to find which firmware your iOS device can flash.
3uTools can downgrade the following devices:
- iPhone 3GS without SHSH file backup can be downgraded to iOS4.1 using 3uTools.
- iPhone 4 with the SHSH file backups can be downgraded to any compatible iOS firmware using 3uTools.
- iPhone 4s/5/5s/6/6Plus/6s/6sPlus, iPad 2/3/4, iPad Air 1/2, iPod Touch5/6, and iPad mini 1/2/3/4 can be downgraded from 9.2.1 to 9.2 using 3uTools. The downloading/flashing process is very fast.
*Tips for other devices:
- iPhone 4s without the SHSH file backup can be downgraded to iOS 6.1.3 using the Odysseus-0.4.
- iPhone 5 with SHSH file backup can be downloaded to iOS7.0.4 using Odysseus-0.4.
- The iPhone 5s can’t be downgraded with whichever tool.
How to use 3uTools Flash?
You can get to know how to use the 3uTools Flash on the section of “Tutorial→ Flash Tutorial”.