In a situation when you don't understand the current system language on your INTEX Aqua Strong 5.1 you can replace it following this simple guide. First thing you need to do is turn on your phone and go to the Application screen.
Next, open the Settings application and go to the Language & input section in there. You can find it by the little blue globe icon on the left side.
In this section you have to open the Language list where you will pick a new language that will be the system one on your INTEX Aqua Strong 5.1.
Perfect! You've successfully changed the system language on your INTEX Aqua Strong 5.1.