Various solutions for cell reselection with interference avoidance with respect to user equipment and network apparatus in mobile communications are described. An apparatus may receive frequency information of a target cell from a broadcast channel of a serving cell. The apparatus may determine an overlapped bandwidth region between the serving cell and the target cell according to the frequency information. The apparatus may compare a signal quality of the serving cell in the overlapped bandwidth region with a signal quality of the target cell in the overlapped bandwidth region. The apparatus may determine whether to perform a cell reselection according to a comparison result.