Combination firmware will not boot into Android normally; it boots into a factory test interface. After FRP removal, re-flash full stock firmware from GSMROM.net again.
A Guide to Odin Flash Tool via GSMRom.net GSMRom.net serves as a prominent repository for Samsung firmware and essential flashing utilities, with the being its most critical offering for Android enthusiasts and technicians. Odin is the proprietary software used internally by Samsung to install official firmware, kernels, and recoveries on Galaxy devices. What is Odin Flash Tool? gsmrom.net odin
Smart Switch only allows flashing to the latest available firmware for your region. GSMROM.net gives you the freedom to downgrade (if bootloader version permits), cross-flash different CSC codes, or recover a device that won’t boot into recovery or download mode. Combination firmware will not boot into Android normally;