To update firmware & configure R4SIM, please use PKEY Reader with the last up to date version of our official software that you can find here :
http://www.r4sim.com/download.html

R4 SIM v1.00 for All Phone (485 Kb)
R4 SIM v1.0 iPhone 3G Edition (561 Kb)

Best Regards,
John Milton - R4SIM.com
Milton WorldWide Media LLC

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