Clockworkmod Tether =link= -

(built into Android 2.2+ via “USB Tethering” in settings) requires the carrier to allow it. Many carriers, especially in the early 2010s, either blocked tethering entirely or forced users to pay an additional monthly fee. They could detect tethering by inspecting TTL values, user-agent strings, or deep packet inspection.

CWM Tether also demonstrated a valuable principle: . It’s a full-fledged data channel. The same technique has since been used for file transfer apps, screen mirroring tools (scrcpy), and even reverse tethering (sharing PC internet with a phone). clockworkmod tether

Moreover, the app’s existence influenced Google. Android’s built-in tethering detection became less aggressive, and eventually, carriers gave up on per-device tethering fees in many markets. User tools like CWM Tether proved that blocking tethering was futile—users would always find a way. If you have a legacy device and want to experience it: (built into Android 2