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: If needed, the service menu code for this board is typically 1147 . Common Use Cases

: Use a USB flash drive formatted to FAT32 .

To update your TV software using this file, follow these standard procedures found on resources like Software-Zon and Scribd :

TP.MT5522.PC821 Three in One Network WiFi 4K，Compatible for

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Download MT5522 PC821 3840x2160 USB part01 rar

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Download Mt5522 Pc821 3840x2160 Usb Part01 Rar < VALIDATED >

: If needed, the service menu code for this board is typically 1147 . Common Use Cases

: Use a USB flash drive formatted to FAT32 .

To update your TV software using this file, follow these standard procedures found on resources like Software-Zon and Scribd :

TP.MT5522.PC821 Three in One Network WiFi 4K，Compatible for

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