| USB wired | WiFi | |
|---|---|---|
| Latency | Usually lower | Slightly higher; fine for most jobs |
| Cabling | Data cable per device | No constant plug/unplug |
| Best for | Racks, long mirror-and-debug | Flexible desks, same WiFi |
| On PC | Cluster control software | Same PC software |
| On phone | USB build of the app | WiFi build; enter PC address |
How to choose
- Long mirror sessions and debugging → USB
- Fewer cables, phone and PC on same WiFi → WiFi
- Want both → connect one phone over USB first, then try WiFi
For external control hardware, see Bluetooth and OTG.
More detail: USB vs WiFi article and install with i4Tools.