An unlocked phone means device that is not associated to any carrier, plan and support global frequency bands so it can be used in other countries. When choosing a plan, simply insert the carrier SIM card into the phone and you are ready to go. If you decide you want to change your carrier later or want to travel abroad, it's as simple as replacing your existing SIM card with your new SIM and activating your new plan.
Suddenly, your Xiaomi RedMi Note 3G HM Note 1W can not be turned on or just stuck in MI logo (bootloop). When the device is connected to the PC make sound of connecting device. No light, no display battery indicator even connect to charge. If your device has issues like that, that means your device is hard brick or dead brick.
Hard brick generally caused by the software not functioning properly. The easiest solution to fix a bricked RedMi Note is to install the correct firmware/stock rom. HM Note 1W have different specifications with other Xiaomi devices, Redmi Note 3G equipped with MediaTek MT6592 processor. Needed scatter files and SP Flash Tool to flashing this phone.