Connect your Nokia 5320 to your computer using a USB cable.

Use the ROM repack tool to create a new ROM repack. This will involve selecting the modified system files, configuring settings, and creating a new package.

Use the ROM repack tool to backup your current firmware. This will create a safe copy of your original firmware.

The ROM repack tool should detect your device. If not, try restarting your device or using a different USB port.

Here's a step-by-step guide to repacking your Nokia 5320's ROM:

A ROM (Read-Only Memory) repack is a process of modifying the firmware of a device, in this case, the Nokia 5320. It involves creating a new package that includes modified or updated system files, which are then flashed onto the device. This process can help improve performance, fix bugs, and add new features to your device.

Install the ROM repack tool on your computer and follow the on-screen instructions.

Repacking your Nokia 5320's ROM can breathe new life into your device, improving performance, fixing bugs, and adding new features. While the process may seem daunting, with the right tools and guidance, you can successfully repack your ROM and enjoy a more optimized and customized user experience. Remember to always be cautious and backup your data before attempting any modifications to your device.