Can I pair a XXUGBPB1 modem with a XXUGBPB2 boot loader?

There is no modem software here:

http://ift.tt/2avuyGQ

But I found modem here:

http://ift.tt/2avukPR

Is it OK if I flash this modem? I suppose I have to use the "CP" button in Odin, right?

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