Using the wrong firmware or an incompatible tool can "brick" the phone, rendering it permanently unbootable.

Many "free download" links are wrappers for adware, trojans, or ransomware that can infect your PC.

Popular third-party tools mentioned in the community include the UnlockTool (paid/professional) or various "All-in-One" MTK (MediaTek) and Qualcomm flash tools.

Essential functions like the camera, factory reset, and SIM card connectivity may be disabled or limited. 2. Common Removal Methods

Demo Mode is a pre-installed software configuration used in retail stores to showcase a phone's features. It typically includes: