Does R-SIM 7 Work on iOS 6.1?

I have Sprint iPhone 4s which i am currently using on R-Sim 7, iOS Running:- 6.01.

I want to know whether this R-SIM 7 work on iOS 6.1? I'm planning to update my phone thats why and also i heard that GPP is working on iOS 6.1 but don't know about R-Sim 7 whether it works on iOS 6.1 or not.

Updated to 6.1. Confirmed R-SIM 7 working on iOS 6.1

Demonface said:

It does work but I've heard that alot of people are having trouble with it .

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I'm using it on 6.1 and till now I haven't got any problems.

shackq said:

Are you after jailbreak? Im asking because I already bought RSIM on ebay - and now to be honest Im confused >_<

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I used it on iOS 6.1 for 2 days before jailbrake release and have not got any problem.

Used it for a month on iOS 6.0.1 before and trust me I have not experienced signal loss or any kind of issue.