CPB Books

Frequent questions

• More

  How can I update a game or app without losing my progress or saved data?

  After launching a new version of the app on our website, simply download and install it over your existing version. No need to uninstall the previous version—the update will seamlessly apply, preserving all your progress!

• More

  How to Install XAPK Files on an Android Phone?

  For APK files, simply download them from our website and install them on your phone as you normally would. However, if the file is an XAPK, you can follow these step-by-step instructions to learn how to install it on your Android device.