Realme C55 RMX3710 NO Refund ❌NOT SUPPORTED 

 Realme C53  NO Refund ❌NOT SUPPORTED 

OPPO All Models Supported Including   Double SIM Phone Only 

Realme All Models Supported Including / ASK unlock code only

OPPO A72 - vodafone uk not supported - no refund

Thailand and Australia not supported and not refunded 

How to Unlock instruction;

Check before submit : https://support.oppo.com/en/warranty-check/

Type this code *#3988691#

And see your phone screen 

Phone asking unlock code 

then put unlock code 

Make restart phone 

Now see your phone has been unlocked :)

China

Realme 10 pro , not supported