problem with mobile plan for apple watch

[Maria857]

I have 3 apple watch sim only plans.

I wanted to set up mobile plan - watch app- mobile service- - set up mobile service- i was transferred to o2 , logged there but I am not able to choose my existing plans , only there is an option to buy one- which I already done and non of them is working. on watch - when i choose mobile service there is no sim and no connection.

I was trying to contact with o2, via chat and over a phone and was transferred from tech support to upgrade team then again to tech support and non of them are able to help . 

[Oxonian]

@Maria857 

Have you done a search of this forum for your problem ?

There are many reported issues with Apple watches and some of the threads do include solutions that have worked for other forum members.  

[MI5]

@Maria857 

Are the existing watch plans with O2?

It's not clear from your post regarding your transfer to O2.