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Error 08 or Error 15 on Apple watch

Tithers
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I’ve had an issue since 20 September 2024 

 

had an Apple Watch Series 9 with Cellular working fine. I get a new Series 10 and can’t setup the line for it. I get error 08 or 15 every time via the Watch app.

 

i spoke to O2, they reset the sim of the active line on 5 different occasions and will not work. 

spoke to them again and advised I rest Apple Watch and in pair and repair - not resolved

 

I speak to in store, they say I need to call 202

 

i call 202 they say I need to go to Apple 

 

I go to Apple and issue isn’t with watch as all physically fine

 

i go to 202 again they say I can’t setup Apple Watch with o2 if not purchased through them, I said I did on my last one and the disagreed that I did. When I know I have

 

i go to cancellations they agree with me it should work, they cancel the watch line in case maybe doing this could reactivate the correct page via watch app and can start again. Also paying for something I can’t use seems silly. 

Still not resolved error 08/15 again. 

I speak to chat many times and they have risen 2 cases with tech support to resolve. I have to wait 10 working days, I do this they say I need to wait a further 10 working days, I do this and they are still unsure. They advise me to in pair my watch and repair again which I do and have done a further 8 times since. I use an eSIM on Apple iPhone 16 Pro Max which is on latest software. Same as the watch is too. I have also reset my phone and watch together and set both up as new and not resolved. Please someone on here help if they can. 

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MI5
Level 94: Supreme
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@Tithers 

Activate Apple Watch Guide 

Message them on Social Media. Facebook (https://o2uk.co/O2CFB) , Twitter (X)  (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG)

I would also try switching back to a physical sim in your phone.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
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Tithers
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Thanks for responding. Yeah I did wonder if a physical sim could help. I have read about people saying to contact on social media. However, I am someone who doesn’t have any form of social media as I don’t agree with it. Seems weird that channel makes a difference compared to 202, shop or chat via app. 

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MI5
Level 94: Supreme
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Registered:

Different team trained in such matters.

I have no affiliation whatsoever with O2 or any subsidiary companies. Comments posted are entirely of my own opinion. This is not Customer Service so we are unable to help with account specific issues.
Please select the post that helped you best and mark as the solution. This helps other members in resolving their issues faster. Thank you.
Message 4 of 4
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