|ZTE MF267 3G Modem|
The solution for this is to install a ZTE MF267 Windows 7 driver in order for it to work on sev7n. Smart Philippines does not support Driver and Portal upgrade, although the default portal will work on sev7n only the driver is not.
If you own ZTE MF267 and a Windows 7 user you can download the Win 7 driver. (link below). This will work in any Carrier, this is only a driver for the modem.
Download ZTE MF267 Windows 7 Driver