Definitely. Moreso because "sending them back" isn't all that possible where I am (Papua) anyhow, on account of the lack of a postal service.
On Sunday, January 6, 2013, Holger Hans Peter Freyther wrote:
On Sat, Jan 05, 2013 at 02:21:59AM -0800, Kurtis Heimerl wrote:
> They're programmable as 'sysmosim-gr1' with pysim, that's all I really
> know. I bought them programmed from a vendor in China, who promptly screwed
> up the SMSC on 1000 sim cards.
You are already lucky that you got the right CardOS, nothing like punching out
thousands of SIM cards by hand and sending them back.
holger