Liberar Huawei is a free Android app designed by Jdavid that helps users unlock their phones or modem devices with a simple code. To remove the SIM lock from the phone, users need to have the IMEI number, which can be obtained by dialing *#06# on the phone. They also need to use a SIM card from a different network than the one they usually use. Once they insert the SIM card, they will see a message "Network unlock PIN" and they can enter the code sent by the app. The phone will then be unlocked.

The app offers several features, including official unlocking services for GSM phones, official SIM unlocking services, easy and 100% permanent unlocking process, and a money-back guarantee if the phone cannot be unlocked. Using methods recommended by manufacturers and phone networks, the app ensures that the phone is unlocked safely, legally, and quickly. The app is the only option for unlocking that does not void the device's warranty. Additionally, users can unlock their devices by themselves, and no one else will touch their device. They can still use their devices during the unlocking process and after unlocking, they can use the device with any network worldwide. The app supports most brands, including Huawei, Samsung, LG, Nokia, and more.