I have a china mobile model name Sigmatel S400 FXD, It works simultaneously with two sims.Sim 2 has already been blocked as it has not genuine IMEI no. when i am being calling through sim-1 it shows ''call forwarding conditionally''. So how can i replace my phone IMEI no. with a genuine no.? I will be obliged if provide me information regarding any software or procedure by which i can do the same . Thanks
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