Zte z289l User Manual page 17

ZTE Z289L User Manual
NOTES:
• Three times consecutive wrong PIN code entries will block the SIM card.
After you changed the PIN code, you still need to input PIN code again, even though you have enabled
•
the PIN save function.
Power Save
Select Settings > Device Settings > Power Save. You can set Wi-Fi performance and Wi-Fi sleep to save
power.
Wi-Fi Performance Settings

Short Wi-Fi Range: Increases battery life.

Medium Wi-Fi Range: Intermediates battery life and Wi-Fi range.

Long Wi-Fi Range: Extends coverage of mobile hotspot, which will decrease battery life.

 Wi-Fi Sleep Settings
Sleep Time: Select a time from the drop-down list. When there's no Wi-Fi connection in the specific
time, Wi-Fi will be unavailable and the system will turn to sleep mode for power-saving.
Reset
Select Settings > Device Settings > Reset, click Reset to set all the settings to their factory default values,
and then the device will restart automatically.
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