Technical Q&A: Updating BAS Firmware on Autel MaxiSys MS908S Pro II.
Q: My Autel MS908S Pro2 displays the following message during a BAS update:
"Please make sure the BAS is ON and connected to the device via one of the following ways:
1. USB cable (Available for upgrading FWD, FWB, OS, FW, BTFW firmware. Recommended).
2. Bluetooth (Only for upgrading FW firmware). Use USB if Bluetooth upgrade fails."
What does this mean, and how do I perform the BAS function?
A: This prompt indicates that your Autel MS908S Pro II requires a firmware update for its Battery Analysis System (BAS). The BAS function is designed to work with the Autel BT506 Battery Tester.
To proceed:
① Ensure your Autel BT506 is powered ON.
② Connect it to the diagnostic tablet using a USB cable for a full firmware update (recommended), or via Bluetooth for updating FW firmware only.
③ If the Bluetooth update fails, switch to USB to complete the process.
This update ensures compatibility and proper communication between your MS908S Pro II and the BT506 for accurate battery diagnostics.
This technical support response is provided by: www.autelshop.de
Contact Info:
Email: sales@AutelShop.de
Wechat: +86-13429866263
Whatsapp: +86-13429866263
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