A: Possibly, but you may lose carrier-specific APN settings. Write them down first.
: Access the device's dashboard by entering its IP address (found on the sticker inside the battery compartment) into a web browser. Navigate to More Functions Manage Updates and select Update Now to check for and install the latest official version. HUAWEI AI Life App
: Community forums like 4PDA often host "Universal" firmware versions (e.g., 21.318.09.00.00 ) that are compatible across multiple E5573Cs models, including the 609. How to Update Your Device
