If these exist, this is firmware . You will likely need a flashing tool or a USB drive formatted to FAT32 to apply it to your device.
Once extracted, look for these key files to determine your next move: GF091122-RTMI-B550721-ELA.rar
If the "ELA" suffix refers to Education, these are your curriculum guides or assessment rubrics. 4. Common Troubleshooting If these exist, this is firmware