GT King firmware update

Big Hello for Support Team !

I would like to ask for latest firmware update for my GT King.
Device: GT-King,
SN: B922HQAG70426

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Thanks !

xabolc I also would like that. Mine is still running android 9. Model: GT-King Input:12VDC=-=1.5A(100_240V 50/60Hz)
CEFC 0
S/N:922XHQHF80301 64G

I also like to ask for the latest firmware update for my GT King.mine S/N:SA9XH0FH50102 64G，TKs