Can a GSM phone be switched to CDMA?

[Steve]

My sister was recently given a Palm Treo in mint condition (not sure which model). It's GSM and she's a Verizon user, does she have any workaround?

 

[intogamer]

Nope. It is paperweight lol

 

[MazerRackham]

The only workaround would be to get either AT&T or T-Mobile service.