Multi-Phone USB Tethering: A Complete Guide > 자유게시판

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You can tether multiple phones via USB, but it takes thoughtful configuration and appropriate peripherals

To avoid overloading your computer’s USB controller, invest in a high-capacity, externally powered USB hub

A non-powered hub may fail to deliver sufficient current; always use one with an external power source to maintain stable connections

Avoid generic or low-cost cables—they may look identical but often lack data transfer capability

Many budget cables are designed solely for power delivery and won’t transmit data—always verify functionality before proceeding

You must manually turn on tethering for each device after they’re plugged in

Look for "Tethering" or "Portable Hotspot" within the Connections or Network section of your phone’s Settings app

Enable tethering sequentially—never attempt to activate all at once

When you enable tethering read more on hackmd.io a phone, the computer recognizes it as a new network interface

Windows and macOS can handle multiple network connections, but they may not automatically route traffic through all of them

Set interface priorities to ensure the most reliable or fastest connection is used first

Navigate through Control Panel > Network and Internet > Network Connections, then right-click and select Properties > IPv4 > Advanced

Assign the lowest metric number to your preferred connection for highest priority

Think of metric as "cost"—lower cost = higher priority

Some operating systems or network managers might become confused when multiple identical interfaces appear

Temporarily disable and then re-enable each tethered interface to clear naming conflicts

Also, remember that each phone needs its own active cellular data plan

Airplane mode disables all radios—disable it and ensure data is enabled before tethering

Verify connectivity by loading a webpage and inspecting the network panel

Power users rely on tools like iPerf, NetSpeedMonitor, or Speedtest.net to analyze live traffic

Bandwidth doesn’t stack—each phone is capped by its own cellular network

The OS defaults to one gateway unless load-balancing software is installed

Enterprise users often deploy tools like Connectify Dispatch, Speedify, or iToolab GoVir

Such tools are complex and often demand network administration knowledge

Extended tethering accelerates battery depletion and increases device temperature

Keep phones plugged into dedicated chargers—not just USB ports—to maintain full power

Review your data plan’s fine print—many carriers limit or penalize multi-device tethering