To see or use a cell phone in your dream, indicates that you are being receptive to new information. It also represents your mobility.
To dream that you lost your cell phone, represents a lack of communication. You have lost touch with some aspect of your feelings or your Self.
To see an old ex-boyfriend from childhood in your dream, refers to a freer, less encumbered relationship. The dream servers to bring you back to a time where the responsibilities of adulthood (or marriage) didn't interfere with the spontaneity of romance. You need to recapture the excitement, freedom, and vitality of youth that is lacking in your present relationship.
To dream that your ex-boyfriend is giving you advice about your current relationship, suggests that you unconscious is telling you not to repeat the same mistakes that you had made with this ex-boyfriend.
To dream that you are being massaged by your ex-boyfriend, suggests that you need to let go of some of that defensiveness that you have been putting forth. You may have been putting up a wall or armor around you. You need to learn to trust people again.
To dream that you ex-boyfriend gives you a stuffed animal, suggests that you are seeking for reassuring and nurturing aspects of a relationship. This is not to imply that you want you ex-boyfriend back. Alternatively, the dream could represent some immature relationship which may (or may not) describe the relationship you had with your ex.
To dream that you see your ex-boyfriend dressed in a suit at a hospital, suggests that you have come to terms with that relationship and have completed the healing process.