Trust is a very important thing in a relationship from both sides but if you are thinking your boyfriend is cheating on you and he texts always and hides his phone while texting Because of this you want to spy on your boyfriend's phone to know who is always texting to him and he texts back too. well there are many app for this you have to just install in his phone after that You can easily hack you boyfriend’s phone to get his text information

Method to hack :
Go through his phone
Contact Network service provider
Use a spy app
Connect his phone with your laptop
Get a hacker

Visit also for more details:
http://www.ityug247.viamagus.com/blog/how-to-check-boyfriend-s-text-messages-for-free-without-him-knowing.html