Help 2.1 is no longer recognising the turbo sim is there anyways i can downgrade to 2.0.2 ????

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Airtel (Mumbai) SuperSim Method
Calls in/out - Working
SMS in/out - Working
YouTube - Working
Edge - yet to activate.

Etisalat (Dubai) SW method
Calls in/out - Working
SMS in/out - Working
YouTube - Working.