Cellphone for a teen want?

AT & Telephone cells inclination of T or duo Pantech (red)? My sister said that both gradetto but she didn ‘t choose them any. His birthday is coming up and I ‘m planning to obtain a dell’elencato. I have read the revisions for both phones but that didn ‘t help because both the phone has received the same assessment (4.1) Help! (Oh, and if you ‘re going to suggest a different phone, no thanks. My sister is very difficult and has already set his mind on those two. Malvagità, huh?>: @)