You're allowed to downgrade your iDevice from higher iOS version to lower iOS version only until Apple is still signing the old firmware.
It has been two months since V2.21 3uTools was released.
As we received many users' required, we also made a tutorial about fixing error -1/1 when you restore or upgrade in iTunes/3uTools for you
Your probably find that you can't delete ringtones produced by GarageBand in Ringtones of 3uTools.
Today we will introduce another feature you may not notice: Back up and Restore in Contacts.
Nowadays, more and more people are inclined to read on their mobile phones.
You've got a new iPhone - great! Now all you need to do is transfer all your important data from old iPhone to your new iPhone.
How to import videos from PC to iPhone using 3uTools? Read this.
Let's see what's new in 3uTools V2.21
V2.21 add a new feature which allows you erase all data in your iDevice without upgrading. Let’s keep reading for details.
Most of users have more than one iOS devices. But when they launch 3uTools, they find out not all their iOS devices can connect to 3uTools.
Your iPhone has a “Low Power Mode”, which you'll be prompted to activate it when your phone reaches 20% battery. There will be a popup to remind you, here’s the tutorial to customize the content of this popup.