It's your timeline. It's no defined timeline on when you take your W back. You just don't open the door arms wide open accepting her back. She has to do the work. If she is willing to change her number and get a new phone then that is a good step. If she is saying she will work to get your trust back that also good.
I will tell you that during DB all I wanted was my W back. Then I got her back and for a few weeks or months, I was feeling good then resentment and anger start to take hold. And I start questioning wanting to be with her. I felt like I could do better. I noticed that I felt better during DB than during our reconciliation. I start to notice that I was more calmer when I was DBing and not caring about what she was doing. And now, I had so many questions and concerns.
Well, all those things I mentioned above is part of the process. During DB you work hard on detaching to not worry about what your W is doing. Then all of a sudden you are back in a M, with a person that has left a wound in you deeper than the Grand Canyon, and everything should be ok right no! There is a lot of work to be done on both sides. She will have to face a lot of questioning and you not trusting her. And you will have to learn to trust her, it will take years for all this to take place. So the feelings your are having are normal.
But do the work and self reflection and be honest with yourself, are you still wanting the M? Don't lie to yourself, if you do, than work towards that, if not work towards moving forward with your life and let your W know how you feel.
M:37 W:37 T:11 M:10 S17, S13, S10, S4 BD:06/28/17 OM confirmed 07/20/17 Recon the M 10/29/17 Working hard:2gether
Onward and forward
This process is not a sprint it's a marathon! Patience, Patience, Patience.