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My phone is locked - how do I get my PUK code?

Can I upgrade or downgrade my eir Mobile plan?

How do I check my data usage?

How can I view details of my bill?

How can I alter my service status?

How do I set up roaming?

What should I be aware of when disposing of my phone?

How do I get an unlocking code?

How do I change my PIN?

eir Mobile and the environment

What add ons are available to me?

Will watching eir Sport online or through the app affect my usage?

How can I check if I'm eligible for an upgrade?

Why is my account locked?