If your Qualcom phone is a Code Division Multiple Access (CDMA) phone, it is locked to a specific network. If you need to switch mobile providers, you must unlock your phone. Since your phone does not come with a Subscriber Identity Module (SIM) card, it is a little harder to switch providers. Fortunately, some websites provide unlocking software for your CDMA phone. The software will generate a code for you to unlock it. Warnings Writer Bio

How to Unlock Qualcomm 3G Cdma - 90