This is a average product. This product network coverage is very low . This product processor is not good because of that, its network coverage is very useless. Internet speed is also no good beccause it depand upon processor but is bad. Customer service is also not good . In over area no service centre available this product. All over place not enoguh service centre available. Customer have to face a lot of trouble. This product ( Celkon Ultima A89) charges is very high according this product condition.