strange messages left on my phone

[Anonymous]

on 30/8/2013 09:36 pm I got the following message:

"Welcome to Israel. While away you can top-up just like at home  by calling 4444 "

I have never been to isa=rael in my life!!

 Then on same day though later at 09:53 pm  I got:

"Thank you for travelling with 02 in Jordan, to make a call dial *111*# followed by send. The phone will ring back; answer & follow the prompts"

after that there were two configuration messages from zain telecom (this is a middle east provider like 02)

Configuration zain mms server url:    http://mms.zain.sd     12/9/2013 3.26 pm  

One home url is  http://www.sd.zain.com  same date and time as above

What do I make of this? Is someone else using a copy of my sim.  These are the only messages there are no more

Anyone have any ideas

chris owen

[Anonymous]

Hi

I would call o2 in the morning to have your account checked.

[Bambino]

Why are you asking this five months after you received the first message? No one here has access to your account. You need to call Customer Services on 4445 and enquire there.

[MI5]

I'm guessing there hasn't been any strange balance reductions on your account since last August?

[Anonymous]

*111* to make a call? Is that usual anyone?

[perksie]

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@Bambino wrote:

Why are you asking this five months after you received the first message?

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Something not right here, why the long delay in posting this?

If it hasn't happened again I would forget it as I doubt O2 could investigate after such a long time.