In 2G mode LAC is incorrectly returned, e.g. 0x2BD instead of 0x2B0D.
USSD in PDU mode.
Downlink value is corrupted.
USSD commands that require additional input (menus) do not work.
Although the device accepts the commands, I do not know of a way to get the unsolicited notifications sent back to the terminal.
Cell Id value is always 0.