Hey there, Dhan Paul Bolambao & all
I can see you are having trouble with Microsoft rewards and adding a phone number to your account. If you are having problems with Microsoft rewards, please can you contact the rewards team via this link here: https://go.microsoft.com/fwlink/p/?LinkID=823675
As this thread is old, and the original poster hasn't returned to the thread. I am going to lock this thread.
Hope this helps,
Nathan