hack android smart cell phone

Freinds
            Hacking  android smart phone sounds good.  But i just want to tell you that in some early android
versions, genius hackers hacks some cell phones having android OS.  But now a days Google is trying to more secure android OS.  Recently Google joint ventures with Samsung for managing security issues.  Some of the chip making companies are also trying to secure their micro chips like mtk, qualcomm, spd etc.  Cellphones

equipped with mtk micro chip has been hacked by some hackers.  Now the major problem regarding security threats is, more android OS users in the world.  And you all better know that quantity decrease quality.  That's why security issue still remains.  Friends i want to tell you that android phone hackers use the following techiniques.
1.  Hack android OS via WiFi
2.  Hack android OS using Bluetooth
3.  Hack android OS with the help of message
4.  Hack android OS using different hacking softwares
All unmentioned steps have one common reason and that is hacking the smart android equipped cell phone. I just want to suggest you that while transferring or receiving data carefully.  So be smart and be safe.