We currently do not have any unlocking instructions for the CEC Q300B mobile phone.
We are working towards finding the unlocking instructions for the CEC Q300B mobile phone. If you know the unlocking instructions for the CEC Q300B mobile phone and would like to help others who are trying to unlock the CEC Q300B mobile phone, please send us the Unlocking Instructions.
You can however still try the following method to unlock your phone. Let us know if it works.
1 - Switch ON your CEC Q300B with a NOT ACCEPTED* SIM Card,
2 - Enter the Unlock Code.
*NOT ACCEPTED : We mean, to use a sim card from a network other than the network your CEC Q300B is locked to.