How to change old CP number that you don't have access to

Help pls i need ahh code 

can't replay my private message 

Hey there, ​@thinkStizzaGARNET564 

I understand that you want to change your mobile number. No worries, let me help you! Please send me a PM together with the following details for verification purposes:
 

1. Razer ID:

2. Email address that is associated with Razer ID:

3. Date of Birth:

4. Full Name:

5. Old Phone number:
6. New Phone number: 

7. Country:

I am looking forward to your response! Thanks!

*Thread locked to curb conversation to PM.