Sim valitity

My mobile numer: 9943433193 I have network changed aircel to airtel, network chenged but don’t going to the incoming and out going calls because sim valitity not noticed while belance checking.
1.first problem new sim chenged don’t do the call 123 dn’t select the language
2.i have recharge my numer before language select , this problem having as instruction from cusmer care
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