3uTools software is a tool to help you manage files, support applications, wallpapers, ringtones, flash and even jailbreak for iOS operating system on iPhone. It can be said that 3uTools is an all-in-one tool for iOS devices.
This tool which supports the default language is English, users who are not fluent may be confused when using it, which leads to unwanted things, so you must change the language of 3uTools into Vietnamese to have can be easier to use, how to change the language of 3uTools into Vietnamese, you can see below this article.
Note: Only version V2.10 can be translated into Vietnamese, in some new versions of 3uTools some languages may be missing, including Vietnamese. In the future, 3uTool will try to update Vietnamese into the software in these new versions.
See also the article How to install 3uTools on your computer if you do not have this software.
3uTools
Instructions to switch to Vietnamese on 3uTools
Step 1: Download the Vietnamese file for 3uTools in this link , then open the .ZIP file containing the Vietnamese 3uTools file and click Extract to to extract the 3uTools Vietnamese file.

Step 2: Right-click on the 3uTools icon and select Properties.

In the Properties panel , select Open File Location to open the folder containing 3uTools.

Step 3: In the 3uTools folder, click on the Locales folder .

Then copy the Vietnamese file just extracted above.

Step 4: Then launch the 3uTools tool, click the settings icon and select Settings as shown.

In the General section , select Vietnamese language in Set Language.

Step 5: Next, completely exit the 3uTools tool by clicking Show hidden icons , right-clicking the 3uTools icon and selecting Exit.

Launch 3uTools and now you will see the language of 3uTools has been converted to Vietnamese already.

Above is a guide on how to convert 3uTools language into Vietnamese, using 3uTools or any software in Vietnamese will also be more effective when many people do not understand some English words or do not know English, is Default language of the software.
The feature of 3uTools is mainly to connect iPhone to the computer, from which you can copy music, photos, data from the computer to iPhone or vice versa, or install applications on the App Store on the computer when iPhone or network problems, see the article How to install applications for iPhone with 3uTools to know how to install applications for iPhone offline.