How to Update Raspberry Pi OS and Firmware (The Right Way) - Raspberry Pi BD

This guide will walk you through how to safely update your Raspberry Pi OS and firmware using the command line.

🧰 What You’ll Need

• A Raspberry Pi with internet access
• Terminal access (via desktop or SSH)
• Basic Linux commands

🖥 Step 1: Open the Terminal

You can use the terminal directly on your Pi or connect via SSH from another device. Once you’re in, you’re ready to begin.

🔄 Step 2: Update Package Lists

Start by refreshing the package list to see what’s available for update:

sudo apt update

⬆️ Step 3: Upgrade Installed Packages

Now upgrade all installed packages to their latest versions:

sudo apt full-upgrade -y

This ensures your Raspberry Pi OS gets the latest patches and features.

⚙️ Step 4: Update the Firmware (Optional but Recommended)

To upgrade the bootloader and kernel firmware, use:

sudo rpi-update

Note: This pulls bleeding-edge firmware. For critical or production systems, consider sticking with just apt full-upgrade unless you need a specific fix.

🔁 Step 5: Reboot

Once updates are complete, reboot your Raspberry Pi to apply all changes:

sudo reboot

✅ Check System Version

After rebooting, verify your system is up-to-date with:

uname -a

Or check OS version with:

lsb_release -a

🧠 Pro Tips for Staying Updated

• Set a reminder to update every few weeks
• Use apt list --upgradable to preview available updates
• Consider using a backup tool (like rsync or SD card cloner) before major upgrades