Once you have located a download for a mobile box pack, follow these standard steps to set it up:

: For these tools to communicate with a phone, you must install the correct USB drivers (e.g., MTK VCOM, Qualcomm HS-USB QDLoader).

: Use a file manager or a dedicated app like Files by Google to unzip the contents.

A staple for Samsung-specific flashing and unlocking. How to Use the .zip File