- .Lv 71 month ago
Block your phone from doing what? Your post is unclear.
Your question belongs in Consumer Electronics>Cell phones & Plans as it's currently in Yahoo Products>Yahoo Mail>Abuse and Spam and not applicable to this subcategory (and thus decreases your chances of getting many useful answers).
Moving your question can be done by clicking Edit (pencil icon for mobile)>Edit category just beneath your question, then selecting the category that's appropriate for the topic.