Safety Information

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 Tap
Select Time Zone, and then select the desired time zone from the list.

To set the time format of 12-hour or 24-hour, turn on or turn off the
Use 24-hour format switch as
required.
3.7
Reset Options
Before a terminal reset, back up the data in advance to avoid loss of important data.
When the terminal runs slowly or the apps quit unexpectedly, you can reset the network, apps, or system
to fix the problem. To reset the terminal, tap
System > Reset Options, and then you can perform the
following operations:

To reset all network settings, tap Reset Wi-Fi, mobile & Bluetooth > RESET SETTINGS, and then
tap
RESET SETTINGS to confirm reset.

To reset all app data, tap
Reset app preferences, and then tap RESET APPS to confirm reset on the
prompt.

To clear all data in the storage, tap
Erase all data (factory reset) > RESETTING PHONE, and then
tap
ERASE EVERYTHING to confirm reset.
3.8 Data Tethering
3.8.1 BT
C a u tio n