1. The new SDconnect C4 (1:1 clone of the original) is able to work for DoIP. It's the only C4 that supports ethernet communication (DoIP). Tested no issues on new mercedes with doip. 2. Wireless connection is stable. C4 is connected automatically to WLAN for diagnostic tests. 3. remote help is available. 4. Good Quality, It's waterproof, shockproof and tamper proof. 5. with Free DTS Monaco & Vediamo 6. Support both 12V Cars and 24V Trucks.
Notice: You don't have to install batteries for firmware update. No need worry about firmware damage in the update process.