I want to remain with with my old phone no 0851670762

[dalyer]

See here for instructions on how to port your number from another mobile phone provider to 48:

• https://community.48.ie/t5/The-Knowledge-Base/Getting-Started-Moving-Your-Number/ta-p/53100

You shouldn't post your personal details such as phone number in a public forum like this where anybody can see and use it.