i can't change my phone number

 
hello my current phone number is not active, i want to change my new number but i cant recieve the verification code in sms message because my current number not active, please help
 
Wulan Nur Fitriani:
hello my current phone number is not active, i want to change my new number but i cant recieve the verification code in sms message because my current number not active, please help

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