Block and erase all content my lost Samsung phone

[Kitten]

My Samsung phone has been lost need to block and erase all my contacts and content.

[Cleoriff · Accepted solution]

@Kitten 

You need to report it lost. All info here Guide: Lost or Stolen O2 Device? - How to Report it 

O2 will block the phone for you so it can't be used.

[MI5]

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@Kitten wrote:

My Samsung phone has been lost need to block and erase all my contacts and content.

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@Kitten 

Here https://www.google.com/android/find