This translates as:
Dear Sir, I would like to change my phone number so that I can use my account normally and validate a new two-step verification.

Hi ErriJ0ta,

I understand you wanted to change the phone number associated with your Razer ID. Please follow the steps from this article to update the mobile number. I hope this helps. Should you need further assistance, PM me with the information below and let’s continue our conversation in English so I can assist you accordingly.

Razer ID: 
Email address associated with your Razer ID:
Date of Birth:
Full Name:
Old phone number:
New phone number:
Country: 

​​​​​​​*Thread locked to curb the conversation to PMs.