Do carriers must unlock the phone by laws if it is paid off?

It depends on who the carrier / service provider is. There is no general requirement, by law, regulation or policy, that mandates unlocking of...

How to contest/refuse a huge international roaming cell phone bill, evidently an error as well.

Contact the FCC after reading the policies governing wireless "bill shock" http://www.fcc.gov/bill-shock-alerts

AT&T and Direct TV

Are you certain you did not contract for distinct services (TV from Directv, phone/internet from AT&T) through the AT&T/DirecTV partnership? ...

Can Sprint be held liable for violating my privacy?

Evidence, evidence, evidence. If you have evidence of what you describe, it appears to be a violation of the FCC's CPNI regulations. That said,...

I am very hard of hearing & depend on CC. CC on Charter has been a mess for over 2 yrs. All I get is the run around.

You may have rights under the 21st Century Communications and Video Accessibility Act of 2010. Contact the FCC's Disability Rights Office...

I opened a second phone line on my cell phone plan let a friend use it and they don't want to help me pay so I turned it off.

The first thing we're taught in law school is that anyone can file a lawsuit against anyone for any reason. Whether the suit has merits is...

Can my parents take away my phone/phone service if I pay for it?

For so long as you are a minor or have not otherwise sought and obtained legal emancipation from your parents or legal guardian, yes. Minors may...

Contact Facebook. They have policies that prohibit publication of pornography and nudity: https://www.facebook.com/communitystandards This may...

How can I sue AT&T?

Read your contract first. There may be a binding arbitration provision that would preclude you from filing suit in state or federal court.

I took a cell phone from a restaurant on camera I returned the camera and now there are problems with the phone

Is this a question or a riddle?