We currently do not have any unlocking instructions for the Arima U300 mobile phone.
We are working towards finding the unlocking instructions for the Arima U300 mobile phone. If you know the unlocking instructions for the Arima U300 mobile phone and would like to help others who are trying to unlock the Arima U300 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 Arima U300 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 Arima U300 is locked to.