You can use a Lightning-to-RJ45 adapter to add a wired connection. Here’s a simple setup:

1. Pick a compatible adapter: Choose a Lightning-to-Ethernet accessory designed for your device and software. Some include a pass-through charging port.
2. Connect your cable: Plug an active Ethernet cable from your router/modem into the adapter.
3. Add power if available: If the adapter has a charge port, connect your charger for steadier performance.
4. Plug in the adapter: Insert it into the Lightning port. You can turn off Wi‑Fi to prefer wired.
5. Check settings: An Ethernet section may appear in Settings when connected, though apps may use it automatically.

Most Lightning models support 10/100 Mbps. Actual results can vary with network and device.

Many phones and tablets support Ethernet through an adapter, which can offer a steadier connection than Wi‑Fi in some situations.

• Match the port: Devices with USB‑C use a USB‑C to Ethernet adapter; devices with Lightning use a Lightning-to-Ethernet adapter.
• Plug and play: Connect the Ethernet cable to the adapter, then the adapter to your device. Some accessories also provide pass‑through charging.
• Settings may appear: An Ethernet option can show in Settings when linked; behavior varies by device and software version.
• Use cases: Helpful for streaming, large downloads, and more consistent latency.

Performance depends on the adapter’s rated speed, your network hardware, and cabling quality.

Speeds depend on the adapter type and your network setup.

• Lightning adapters: Commonly support 10/100 Mbps. This can be suitable for basic streaming, browsing, and downloads.
• USB‑C adapters: Often support Gigabit (up to 1000 Mbps), and some models support 2.5 Gbps or higher on compatible devices and networks.
• Real‑world factors: Throughput can vary based on your router, switch, service plan, cable quality (Cat5e/6), and device capabilities.
• Hubs vs. single‑port: Multiport hubs add convenience but may share bandwidth across ports.

Choosing an adapter that matches your device’s port and your network’s capacity can help you get closer to its rated speed.

These steps can help troubleshoot, though results vary by device and setup:

1. Check the network: Verify the Ethernet cable and router port by testing another device.
2. Power the adapter: If yours has a charging port, connect a charger—some setups link more reliably with external power.
3. Reconnect: Unplug and firmly reseat the adapter and cable. Try a different cable or router port.
4. Toggle wireless: Turn off Wi‑Fi to prefer wired. Consider disabling VPNs or firewall apps temporarily.
5. Review settings: An Ethernet section may appear in Settings when the link is active.
6. Update software: Ensure your device software is current and the adapter is compatible.

If issues persist, try a simple single‑function adapter and avoid daisy‑chaining multiple hubs.

Match the adapter to the connector on your device and your needs:

• Port type: Devices with a small oval port use USB‑C; those with a narrow 8‑pin port use Lightning.
• Speed goals: Lightning adapters typically support 10/100 Mbps. USB‑C options commonly support Gigabit and, on some setups, 2.5 Gbps or more.
• Power while using: If you need to charge during use, pick an adapter or hub with pass‑through power (often labeled “PD” for USB‑C or a dedicated charge port on Lightning models).
• Extra ports: Hubs can add USB, HDMI, or card readers if you want a mini‑dock.

Confirm compatibility with your device’s software version and networking equipment before purchasing.