The virtual CD-ROM contains an AutoRun.exe driver installer. Run it even if Windows says "device ready" – this installs the modem's custom NDIS driver for faster speeds.
When dealing with firmware updates or custom firmware (often referred to as "ROMs"), it's crucial to proceed with caution: china mobile m654 firmware
If the device works:
Warning: Do not proceed without knowing your variant. Firmware for M654-1 (MediaTek) is not interchangeable with M654-2 (RDA). The virtual CD-ROM contains an AutoRun
Always back up your original IMEI and NVDATA before flashing. Warning: Do not proceed without knowing your variant
Using a tool like Modem Meta Tool (MediaTek) or RF_NV_Manager (RDA):
Simpler alternative (if AT commands are enabled):
Send AT+CLCK="PN",0,"00000000" – This often fails because manufacturers disable it. In that case, custom firmware is the only route.