Unless you have UART access and U-Boot shell experience, the safest fix is to reflash the complete original firmware using Amlogic’s USB Burning Tool or mask ROM mode short pins.
This message indicates that the bootloader (U-Boot) failed to verify the integrity or compatibility of the Device Tree Blob (DTB) Uboot Partition Aml Dtb Verify Patition Error Result
The error message typically indicates that Uboot was unable to verify the DTB partition, which can prevent the device from booting properly. The causes of this error can include: Unless you have UART access and U-Boot shell