I need a user manual for verizon's IPHOne 4S

Found a good book for you
Iphone 4S Superguide by Jason Snell 2012 English PDF EPUB

Yes! However you're going to have to jailbreak your phone if you go to YouTube and type in jailbreak untethered for iPhone 4S you will have a step by step tutorial. I currently have an iPhone 4 that was originally on AT&T and I am now on straight talk which is really cheap but I have more features!

may be you have the wrong number put into the phone

please teach how to unlock my iphone 4s china because i can't use it i forgot the password

whether you want to network unlocked your iPhone you need to contact to verizon, if they doesn't provide unlocking then you use third party unlocking websites services to unlock your phone.
Unlock Your Cellphone Use Any Network in The World

The Apple iPhone 4S manual or user guide has been published by Apple at their website. This Apple iPhone 4S manual is available online and you can download it directly from apple.com. The Apple iPhone 4S user guide is written in 163-pages of PDF document format (15.39 MB). You can download this manual directly to your Apple iPhone 4S smartphone and read it by using PDF reader application. This Apple iPhone 4S user guide provides complete information and instructions about how to operate the Apple iPhone 4S mobile phone properly. Don't forget to check these supplied accessories before operating the Apple iPhone 4S smartphone: iPhone 4S, Dock Connector to USB Cable, Apple Earphones with Remote and Mic, USB Power Adapter, and Documentation.

The only time i've heard of this happening is when the data plan is turned off on the phone. If she's able to send photos through iMessage while on wifi then that might be the case, if data isn't turned off on the phone then i am unsure of the issue

remove other paired devices on your device, may be the device has crossed the limit of phones it can connect.
start pairing fresh on both devices- phone and bluetooth device.,

here is the link to the manual good luck ! :)http://www.manualgadgets.com/download/cell-phone/apple/iphone-4s/apple-iphone-4s-manual-guide-for-pdf-download