1. To install Opera Mini on your Nokia 5130 XpressMusic, you will need to download the application file (.jar) from a trusted source. You can find the official Opera Mini download link on the Opera website.
2. Once the download is complete, connect your phone to your computer using a USB data cable. Open the file manager on your computer and locate the downloaded Opera Mini .jar file.
3. Copy and paste the Opera Mini .jar file to the "Applications" folder on your phone memory or microSD card (if inserted).
4. Disconnect your phone from the computer and open the "Applications" folder on your phone.
5. Select "Opera Mini" and click on "Install". Follow the on-screen instructions to complete the installation process.
6. Once the installation is complete, you will be able to launch Opera Mini by going to "Applications" > "Opera Mini".