Worst Contract

Hi<br> <br> I just purchased a unlimited or so called VIP contract its more like a useless VIP contract . I have migrated from 8ta which I had unlimited contract with to move to Vodcaom because of quality of signal and phone qualities.<br> <br> There is no difference , my phones always looses signal , voice quality is terrible when calling , phone jams or stuck or shows a white blank picture, when downloading emails its fine during some stages and some stages its loading ur cant enter your mails until you reboot your iPhone<br> <br> Please help I pay abt 2000 rand per month, I just want I phone that's works please