MomMom,
As I am using Dopod D810 (English Version), the offical ROM is not yet released.
Thus, I've tried beta GPS ROM
[url=http://wiki.xda-developers.com/index.php?pagename=Trinity_Upgrades ]http://wiki.xda-developers.com/index.php?pagename=Trinity_Upgrades [/url]
I used this ROM:
RUU_Trinity_DOPODASIA_WWE_1.23.707.2_6275_1.29.00. 11_108_Test.exe
GPS is enabled and it's working fine!!!
If the previous one doesn't work (i.e. CHT9100), then you should try the following Chinese Versions (CHT) 1.23.751.6 at that website.
i.e. RUU_Trinity_CHT_1.23.751.6_6275_1.31.00.11_108_Ship(GPS).exe
** If you do not know which ROM is correct, don;t worry to execute the EXE file... If the version does not match, you device will be rebooted when it's about 1-2% completed...
If it's correct, then it'll be finished by 100% and reboot the device... and then it'll be a clean device (i.e. set as factory default)