WP34s 20b Repurposed

[John Galt]

(02-22-2015 02:05 PM)Csaba Tizedes Wrote:  If possible to make a 34s from a 20B or 30B, therefore is it possible to make a 30b from a 20b? (30b ROM upload to the 20b)??

I suppose it's theoretically possible, but you would need the 30b's ROM code, which Marcus von Cube states is HP's intellectual property. As such it's not publicly available to upload to the 20b, at least not officially, and if there is an unofficial source for it I don't know of one.