Samsung chat 527 is one of the good phones.my first phone was samsung chat.and it work really good.till now its camera has superb clearity and itis of 2mp and it has front camera as well.and it can work for more than 2 days.as its battery is of 1000mAh.and its speakers are also good.and it is java based phone.
Now company has provided whatsapp on this phone as well.and it work good.thanks for such nice phone and it is affordable for all