Contact Boost Mobile or visit a Boost Mobile Store and inform the representative about your intention to set up an account or exchange an existing phone on your Boost account for a Sprint device. I have paid the full amount and you have used your service for more than 12 months, which makes me even happier that I can not handle them. In short, your device must be active under your account and if you are using an early upgrade, you must first wait for a 14-day payback to expire before requesting the unlock code. How To Unlock Iphone 4s When Disabled Without Itunes. If a person uses the phone with something that Sprint Easy Pay, Sprint Lease or IPhone forever has paid for them. How To Unlock A Budget Mobile Phone. Unlocking a phone can enable some features on the phone, but not all (for example, an unlocked device can support voice services, but data services can not works or may be limited when enabled on the Boost Mobile network). The only real way to do this, an original Boost Motorola C290, W385 or KRZR is to buy K1m to open an unlimited Boost account later to tell them that you have damaged the phone and want to replace it with your rant hypothetically instead for actually, and Boost will allow all devices that fulfill their unlocking conditions to be unlocked. I trying to let Sprint go into the network, direct call, basically no contract plan, not in the Sprint network (Reception SUGER !!) I do not have any SIM card in my phone and it seems that all contributions to lock up, Galaxy phones with SIM card. Just because the phone is labeled globally and just because the phone will work on GSM service does not mean that all the features of the phone work. But if your device is connected to a wireless network - and if you purchased it from one of the four major network operators, it likely - you need to unlock it first.