The only method you need to unlock your Nokia phone is a root file explorer running on your PC. The firmware can be manually disassembled to reveal the unlock/serial key. It can then be sent to any carrier and their unlock tool can be used to unlock the device.
The Nokia 6230i can be successfully unlocked for free using an unlocked USB modem. The carrier of the modem must have an unlock code available for your mobile. The first thing you'd need to do is verify that it will work on your mobile. Click here for step-by-step instructions.
You can unlock almost any Nokia mobile phones with the powerful Nokia Simlock Calculator. Unlock these Nokia phones Nokia 5100 , Nokia 5110 , Nokia 5110i , Nokia 5120 , Nokia 5125 , Nokia 5130 , Nokia 5130a , Nokia 5130b , Nokia 5140 , Nokia 5140b , Nokia 5140i ,
A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone manufacturers for use by service providers to restrict the use of these phones to specific countries and/or networks. 7211a4ac4a