TCL X937U, User Manual, Page: 37 / 48

36
Online Firmware Update
Automatic detection and upgrade of Soundbar software:
1. Ensure your Soundbar, subwoofer and satellite speakers
are powered up.
2. Ensure your Soundbar, subwoofer and satellite speakers
pair successfully.
3. Ensure your Soundbar is connected to Wi-Fi network
successfully (Refer to Wi-Fi connection steps on page
30/31/32/34.)
4. You will see the following LED indications:
DOWNLOADING > > CHECK > UPGRADE > UPG00~99
> U OK > START
Note: Do not interrupt the Soundbar and subwoofer during
the upgrading.
WIFI
wifi Connected
U
U
Updating
HELLO
CHECK
UPGRADE
Updating
DOWNLOADING
99 upg00
u ok
START
Updating
Updating