Any way to use SE z750a without sim (for walkman)?

[Tijuana]

Is there anyway I can use my SE z750a without a simcard, so I can jsut use it for the walkman? It is unlocked and debranded. Thanks

[win-star]

if there is Flight Mode .... then yes ... if no then you can't

[Lulz]

Sony Ericsson is notorious for this "feature" of butchering the phone that doesn't have SIM card

[Tijuana]

if there is Flight Mode .... then yes ... if no then you can't

I tried going into flight mode, but still says to insert a sim card

[Lulz]

I tried going into flight mode, but still says to insert a sim card

That's Sony Ericsson stupidity for you.
I don't know if this is of any help to you, but you can use any SIM card from any provider. If you insert non-Rogers/Fido sim card, it will just say Inactive SIM card, but you will be able to use the phone at least.

Where to get fake SIM cards?
DealExtreme

http://www.dealextreme.com/details.dx/sku.16200

It only costs $1.74 for pack of 3 and has free shipping.
I ordered 10-pack in case I ever encounter situations like yours.

http://www1.dealextreme.com/productimages/sku_16159_1.jpg