Where can i get a manual for a ZTE MODEL:Z797C

Hi Jennifer, have you try to reset the phone ??
you find the reset here :
https://www.youtube.com/watch?v=XF47C52jJpY

You Can be connected to a WiFi signal and it does not work if the WiFi you are connected to has password security on the system.
For example many hotels have free WIFi but you still need to get a password from the front desk.

If it uses a GSM network it has a SIM.

You may download a copy of the manual at https://d28dq596ebml6z.cloudfront.net/media/wysiwyg/zte-quartz/ZTE_Quartz_User_Manual_English_-_PDF_-_2.13MB_.pdf

If you wish to get more details; check the sites linked here. It has set-up code list & set-up procedure to many popular brand remote controls. Common set-up codes to check with TVs and other devices are given, in the order of the "device's brand name list" in alphabetical order. Pull up older posts.
http://electronicshelponline.blogspot.com/
http://electro-medical.blogspot.com/
http://remotesearch.blogspot.com/
http://electrohelponline.blogspot.com/
Search the site by type in the brand name to your device, in the "Search box at the top right of the display window" to see the set-up codes to your device, with different brand remote controls.

Yes, it will be

If there is no memory card, this the photos wont be stored. Check it. Gopakumar Gopalan Google

Try restarting your phone

Hold volume down and power at same time and mash volume up when you see a bunch of words pop up then mash rebot