14
Through the hard on the keyboard "navigation button", "backspace", "enter", to
operate on the Recovery menu.
Select “
apply update from udisk
” or “
apply update from external storage
” (SD
card), enter the subdirectory and select the
upgrade packages, click on “
OK
”
key to start upgrade .After the success of the upgrade, there will be prompt on
interface, the user can immediately return to the main menu select
“
reboot
system now
”
to restart the system to start using the new version.
Notes:
In some cases after upgrading, in order to avoid new and old version
data of incompatible problems, needs to remove user data and system cache
(the so-called double wiper) whether you need specific clear, please refer to the
Release Note.
Web Update：
Input the phone
’
s IP on the web;
Input the username and password to phone
’
s web;
Enter
“
MAINTENANCE
”—“
UPDATE
”
;
Click the button
“
Browser
”
to select the image on your PC and click the button
“
Update
”
;
Waiting, the system will be update success.
Multi-media Video Phone UTT-990 User Manual
