No one answers the O2 phone calls

[Peternr18]

My O2 gives a number for reporting lost devices or sim.

No one answer the calls 3 days of calls 

Zero answer

[Bambino · Accepted solution]

@Peternr18 See if anything here helps: Lost or Stolen O2 Device

Report the loss to the police to protect your liability.

[MI5]

@Peternr18 

Try O2 on the socials.

If you message O2 on Facebook (https://o2uk.co/O2CFB) , Twitter (https://o2uk.co/O2CTW) or Instagram (https://o2uk.co/O2CIG) , they should be able to help you with this.