Here’s why:
Likely MStar (MTK) based on the "MT" designation. Resolution Support: Native 4K UHD. Tp.mt5522.pc821 Firmware
Because this is a generic board used by many manufacturers, "official" firmware depends on your specific TV brand. However, general firmware and recovery tools are often shared on technician-focused platforms: Here’s why: Likely MStar (MTK) based on the