still got no answer? im looking for GE_1.07 firmware too.
i updated my modem to SEA_1.00 which has maybe a few missing features from GE_1.07 which is the guest wireless access points. was frustrated

all lights are up and still cant connect to the internet? try to check your WAN setting.

VPI : 0
VCI : 35
UBR without PCR

Protocol : PPPoE
encapsulation : LLC

ppp username : BLABLABLA@streamyx
ppp password : YOURACCOUNTPASSWORD
authentication : AUTO
MTU size : 1492

Bridge PPPoE Frames Between WAN and Local Ports: true

TICK Obtain default gateway automatically.

basically this will solve your problem.
or you could just use the setup wizard, it's simpler and faster.
be sure that your streamyx ID and password are correct.