The process of unlocking consists in flashing a custom modified firmware that disables any locks regarding network or SIM card usage. This is against your carrier's policy and your device loses warranty. For every Huawei modem there is custom software meaning that you need to use a precise tool that will work for your modem. To eliminate all the hassle, you can simply visit a local phone service shop which will remove the lock for a very small fee because if the operation is not done right, you might end with a bricked modem which will no longer work.
