No it's not possible, you need to find the sim card for the same model as your box. You cannot use a DM800HDse sim card into a DM500HD and vice versa.

Only the Japhar allows this, as you can reflash it with the OS for the box you want. All other sim are to throw to the trash, as these cannot be reflashed/reprogrammed, you need to buy a new sim every time.

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