Buy month for my 11 year old daughter, the Smartphone Huawei Ascend Y330 is like a big cheap, compatible with sim card in Free or micro sim, nothing to configure, possible unlimited internet is its first smartphone, but easy grip, intuitive, with a little searching, the sound is very correct, comprehensive features, charger, handsfree / radio that have nothing to envy to other more expensive brands and models. No manual but available on the Internet. In order not to be limited by the capacity of the internal memory of 4 GB I have added a Samsung Memory Card 16GB Class 10 EVO Micro SD without adapter sold on Amazon. System Android 4.2 Jelly Bean quickness ensured. Pink Skin and wallpaper are personalized with rose petals. Teens can use it to MP3, games, videos ... These are good services to check on the duration.