it is work now ...
if i make upgrade to Windows7 did the card work ?

thank you
i try with windows vista x64 and it is not working !
the programe ( Sierra Watcher ) found the card but can`t find any network !
it shown ( Searching ) and no 3g network found !
the card was working great before but now it is not !
can you help me to fix it ?

Thank you very much
i try to use this model MC8775 in Windows7 but it is Faild and the driver not working ..
did you try this with windows7 ??

hi i buy this card and unlock it and it is working ok until 3 days ago !! i try dc-unloker and this is the report : Found modem : MC8775 Model : MC8775/MC8775V IMEI : 011265000004859 Firmware : 1_1_8_3MCAP Serial NR. : XXXXXXXXXXXX SIM Lock status : unlocked Voice feature : enabled My Laptop : Think...

hi
i try to use windows7 in my thinkpad x300 but i decide to back to vista because Broadband MB5752 not working
but after i made install for vista x64 my card now not working like before i un-lock it !!!
did any one have answer for this ?

thanke you very much
did any one have another way ?

ok
but how can i found this MC8780 ?
if any one know how can i buy it from Internet please let me know ..

thank you
but i need PCI internal card not USB

hi every one
where can i find Sierra MC8780 Broadband card for Thinkpad x300 ?

Hi Every one after all i am using Windows7 x64 in Lenovo Thinkpad x300 Laptop ( this is the good part :) ) every parts is works great but Sierra Broadband MC5725 not working :( i try many ways to resolved this problem but it is faild :( can any one please help me to make this device working ? i try ...