Transferring data plan from old to new Apple watch

[Alex_jf]

Hi,

I’ve spoke with O2 for 3 days in a row to transfer my data plan from my old Apple Watch to my new one. 
Each conversation has been different and a promise of it being resolved in 24 hours has not manifested.

For info, when I go through the Apple Watch app to set up cellular services, I can log in to O2 it gives me the option to transfer existing plan but comes up with error code 82. 
If I try again the only option I have is to set up a new cellular plan. 

Can anyone actually help me, instead of the purgatory of repetitive conversations with o2 staff that doesn’t resolve anything, thanks!

[MI5 · Accepted solution]

@Alex_jf 

All we know and how to get help here Activate Apple Watch Guide