Text message: "Hi Mum, I have lost my phone. This is my new number, send me a message on whatsapp so i can save it." I'm trying to work out the logic of sending a message so they can save what?

Text message: "Hi Mum, I have lost my phone. This is my new number, send me a message on WhatsApp so I can save it." And click on the link attached. Blocked and deleted message

Sorry mum have list my phone. Please send a text message to this number so I can record the number.
Strange considering whoever it was sent a text message to my number.
This SCAM has been in the media & people have had there bank accounts cleaned out because they responded. DON'T RESPOND, BLOCK AND DELETE MESSAGE

Text received claiming to be ANZ with new payee added - had link to click if I hadn't set this up.

Hi mum, I have lost my phone. This is my new number, click on link🙁

Got a message from this number "Hi mum. I have lost my phone. This is my new number." Requested to add them on What's App with a link. Scammers.

Text Message started with MyGov......deleted immediately

Same message as above. Not trying that number.

claiming to be Australia Post:
AUSP0ST: Sorry we missed you today. We are holding your item at your local depot, to avoid return to sender book a redelivery here: https://ausmail.solutions

I will not be clicking that link

Text received from this number saying "sorry we missed you" and asking to phone the number to organise a "return" .