Virgin EEPROM on a WMOD2A-G900


I have an existing facility from several WAVECOM WMOD2A-G900 modems over.
now but 2 modems are unfortunately not operational,

When connecting to the Teminal comes every 4-5 seconds Virgin EEPROM.

I suppose times in the firmware is damaged.
where can I download the firmware files and how do I best at.

can someone help me back to run appliances spend?