Hisense 50E77HQ, Service Manual

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4.2.5
USB disk to upgrade the
“
usb_MTK_9900_EU.pkg
”
file.The file needs to changed name as
‘upgrade_loader.pkg’.Then open the TV and Open the SecureCRT in the meanwhile.
clik 'ESC' into bootloader, DTV>
set
：
eeprom.bw 0x38a 0xff 0x64
set: cu
When the program finished, we need to change projectID
Execute the following orders in DTV>
1). cd hispid
2). list //show all the models
3. update 2 deploy //change projectID to 55U69GEVS
Some remarks
：
1.Get boot from dailybuild in MTK_9900_EU_bootloader.tar.gz
2.Open the UART serial option
UAR serial choose “on “
Menu: Factory-->Options
–>UART–>on
If finish the updating and data adjust UART serial, UART
choose “off “