Introducing

CDMA is one of cellular technology that growing up to day. Usualy, an operator cellular of CDMA join with a vendor for launch a new product with brand their companny. An example at Indonesia there is Bakerie Telecom who join with Huawei to launch cheapest CDMA mobile phone with brand ESIA. That phone is RUIM system, but it can use with ESIA only, other operator can not work if the SIM insert in. This system called Lock System.

In other side more people at Indonesia interest with it, but they want it can use with another CDMA operator. Many people research for it. And finally it gool and they called unlock.

At this time I will share it to you just for education only, not for comercial.