- Please download VnDoc's Exercises app to make learning easier

Solving exercises with VnDoc is an application that helps students learn good subjects. Download this application to your phone, parents and students from grade 1 - 12 will have
- Is root Android phone still a must-do?

Root Android phones have become a part of smartphones since it became popular. With a rooted phone, you will have control over important system administration functions, allowing
- 8 best free calendar apps for Android

Everyone needs an effective way to manage appointments, deadlines and birthdays and anniversaries. You can't remember all these things, but luckily there are mobile apps that help
- Instructions for renaming display on iPhone in 2 steps

After a period of use, you may want to rename your iPhone or change to a new owner name when you need to resell. This name change operation is very simple but not everyone can
- Best free VPN software on iPhone phones

There are many applications and VPN software for the iPhone, to say which VPN is the best, but Betternet is the most comprehensive free solution. If on Android phones, there is
- 6 best note apps for iOS

In the digital age, taking notes takes place on smartphones. And if you want to work more organized in 2018, check out the following 6 top iOS note-taking apps.
- Instructions for updating applications on iOS 11

App developers always update their apps regularly, so make sure your phone apps are always in the latest version. The App Store icon on the screen will indicate the number of
- How to arrange notes by name or date on iPhone and iPad

If you don't want iOS to categorize your notes by editing date, you can customize them by title or date created on iPhone or iPad from iOS 11 and above. Follow these steps to
- How to use Instant Markup to take notes on iPhone / iPad

How to use Instant Markup in Notes app on iOS 11? Follow these steps to get started with this highly appreciated feature.
- How to create an ebook using Pages application on iPhone and iPad

Want to create eBooks on iPhone and iOS devices, Apple's Pages app will be the perfect choice for you.
- How to use Animoji on all iPhone and Android phones

Thanks to the application of MrrMrr, you can use Animoji on any iPhone (iPhone 5s, 6/6 Plus, iPhone 6s / 6s Plus, iPhone SE, iPhone 7/7 Plus, iPhone 8/8 Plus) and Android running
- How to set up privacy for Apple Music accounts

Want privacy control for Apple Music accounts? Follow these steps to set up your account's privacy.
- Create super fast iPhone ringtones with iTunes on macOS

You can completely create your own ringtones from the latest, hottest songs in the world with just a simple tool, iTunes. If you are too bored with using the iPhone's default
- Create iPhone ringtones with iTools

Set iPhone ringtones can not be done right on your computer, you have to change ringtones for iPhone by iTools, iTunes or 3uTools. How to create iPhone ringtones with iTools will