i want to upgrade my 15 pro max 256 GB into 16 pro max 1TB

[Tejinderpal]

Hi my name is Tejinderpal singh i have 15 pro max 256 gb i bought it in december but now i am planing to change my phn into 16 pro max could you please tell me what is the procedure for this

Kind Regards 

Tejinderpal singh  

[Cleoriff]

@Tejinderpal 

Are you on Switch Up?

Guide: Introducing O2 Switch Up. Swap phones whenever you want! 

If not, you need to pay off existing contract before upgrading

Guide: How does O2 Refresh work?