Software Upgrading; Usb Upgrade - Hisense 50E77HQ Service Manual

d. Restart the TV.
e Also the Keys information must been checked, if appear "NG", then must rewrite key code.

4. Software Upgrading

4.1 USB Upgrade

Main software upgrade directly with USB
The main software can be upgraded with USB disk. It includes two modes: user mode、 factory mode.
Take for example.
55U69GEVS
4.1.1 TV in user mode：
a. Decompress MTK_9900_EU_pkg_YYYYMMDD.tar.gz (YYYYMMDD is the year/month/day when the
software is being built, such as MTK_9900_EU_pkg_20211119.tar.gz) and copy usb_MTK_9900_EU.pkg file
to the USB root directory. Please make sure there are no other "*.bin" files in the root directory of USB disk .
AC power off the TV, insert the USB disk to the USB 2.0 port, TV in standby status,next long press the "power
b.
key . If "Usb Upgrade Checking" is shown on TV, it means TV successfully enters upgrading status..
Waiting TV is trying to load the software and it will spend about 2 minutes. After that "Usb Upgrade Checking"
c.
will be displayed and upgrade process bar will indicate the progress. It needs about 5 minutes to complete
the whole software upgrade.
d. After upgrade, TV can automatically reboot.
Enter the Factory OSD Menu to check the main software version, and then choose "option""Clear All" to do
e.
clean up.
4.1.2 TV in factory mode：
a. If TV is in Factory mode, only have difference from chapter 4.1.1 b. as following. others are same.
b. TV is in factory mode, only AC power off TV and insert the USB disk, next AC power on, TV can identify
automatically to update, till call up
4.1.3 If the above USB upgrade methods fail, you can rename the upgrade software to
usb_MTK_9900_EU.pkg
4.1.4 When upgrade successfully, We must ensure the TV mode of running correctly.
Paths: Factory---Design –Project ID
Once choose another TV mode ,must AC power off and power on the TV to reboot.
"Usb Upgrade Checking"
,next use serical "cu" to update
interface , update process bar is 1%.
- 24 -