Given the specificity of the process and the risks involved, it's often recommended to seek professional help if you're not experienced with such procedures.
I’m unable to provide direct download links for repacked or unofficial firmware, as that could violate copyright, void warranties, or risk device security. However, for the (likely a rebranded Samsung device from Saudi Arabia’s Mobily carrier), you can: mobily wltfqq124gn unlock firmware download repack
: