Dual sim adapter ? anyone have ?

Hi.
Is there any dual-sim adapter available to use with sensation ?
I have one sim with 3G ( free ) and the other is for normal gsm service and i would like to use both in my htc sensation. i know gmate but if i could use any adapter inside the phone , even if i have to change the carrier to use 3g its not a big problem.

just found this one :http://www.the-internet-shop.co.uk/htc-sensation-xl/78742-htc-sensation-xl-twin-dual-sim-card-adapter.html

would it work ?

Neoby said:

so no dual-sim adapter?

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it works .... kind of, i got one adapter from magic sim, had to cut the 2 sims so they could fit and after some strugle to get it to get recognized by the phone i got the following :

with my normal sim with no data service it worked OK, if i tried to change to my data card i got no service, so i had to fully reboot the phone and after the boot i get data service.
With the data service ON if i tried to change to my normal sim card with NO data service with changed OK and it worked, but if i needed to get again data i needed to change to sim with data service and again reebot.
So i send it back ! realy bad mistake to send it back and ask for a refund ! they say to me that they did not get the card back , and i am now with a complete loss ! no card and no money even for the return of the card that was sent at my expense ! in my postal service provider i have information that the card left portugal , but after that it vanished !
I would NOT recomend anyone to get such card !

Neoby said:

ok thanks, so I´ll save some money for a china-dual-sim smartphone, thanks =)

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I think its the best solution ! nevertheless our sensation is still a great phone ! thats the reason i have not yet bougt a new phone !