Manual for N790

Brand: ZTE

Category: Cell Phone

Document Type:

Language: EN

Available Languages: EN , ES

Uploaded: Aug. 10, 2025, midnight

Warranty Information

This product comes with a 24-month warranty.

Powering On/Off: Hold the Power Key to turn the phone on or off. Select 'Power off' and tap OK to turn off.

Sleep Mode: Press the Power Key to enter Sleep Mode to save battery. Press again to wake up.

Making Calls: Touch the Home Key, enter the number, and touch 'CDMA Call' or 'GSM Call'.

Answering/Declining: Drag the green phone icon right to answer, or left to decline.

Wi-Fi: Go to Settings > Wireless & networks > Wi-Fi to connect.

Mobile Data: Go to Settings > Wireless & networks > Mobile networks and check 'Data enabled'.

Adding Contacts: Open Contacts, touch , enter details, and save.

Importing Contacts: Go to Home Key > Menu Key > Import/Export > Import from CDMA/GSM card.

Camera: Touch the Camera icon to take photos or videos.

Music: Touch the Music icon to play audio files.

Moving Apps: Go to Settings > Applications > Manage applications and select 'Move to phone' or 'Move to SD card'.

Reduce screen brightness, turn off Wi-Fi/Bluetooth/GPS when not needed, and close background apps via Task Manager.

Problem	Solution
Phone is not responding	Press and hold the Power key for about 8 seconds to restart the phone.
Cannot turn on the phone	The battery might be depleted. Charge the battery before trying to turn on the phone.
Cannot make or receive calls	Ensure you are in a service area and that the SIM card is inserted correctly. Check if 'Airplane mode' is on.
Cannot send or receive messages	Ensure you are in a service area and that the SIM card is inserted correctly. Check if the message center number is configured correctly.
Poor voice quality	Ensure you are in a service area. Try moving to a clearer area. Reduce the volume.
Cannot connect to Wi-Fi	Ensure Wi-Fi is turned on and you are within the Wi-Fi network range. Check if the Wi-Fi password is correct.
Battery drains quickly	Reduce screen brightness, turn off unused applications and wireless connections (Wi-Fi, Bluetooth, GPS).