自分がHOLUXにM-241に関してメールした時もサポートは期待できそうにない返事だった
ところでM-241に使われているチップセットってMT3329だと思ってたけどもしかして二種類あるの？
それとも担当が勘違いしてんのかな

Issue Reply:
Dear Sir/Madam :

Sorry for our later reply.
Yes, we had contacted the Cihpset supplier and this was natual limit issue in old GPS chipset model to cause this kind of date error problem.
However, Chipset vendor had phase out MTK-3318 long time ago. They hadn't keep mantaining this model of new firmware. We still try to discuss and figure out any possibily of solution, but we couldn't guarantee it is certainly to be deliverd.
If we can find out and modify the new updating firmware solution, we will publish on Holux website.
But we applogy to tell you we didn't have solution at this moment.
Sorry to make you inconvenience, if we get any solution we will advise to you soon.

Sincerely,
The Holux Support Team.