samsung or google phone (Greenwich SE10)

I was abroad helping my ex-wife to provide palliative care to her sister who had stage 4 cancer. When I came home I found I had forgotten my phone and I'm 73 with a poor working memory. I have called my ex-in-laws but they haven't found it.

I just need a Samsung or Google phone because now when I try to buy things I need online - Christmas coming is not helping - I fail to get a code from 2-Step authentication because I no longer have a mobile phone. No App no 2-step authentication! Please can someone help me? I live in Greenwich.

receive Pension Credit. I just need a phone that works, a Samsung or Google. Thank you for reading this.
Can you help with this request?
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