No Data/Network/Active Sim

Good day,<br> I would please like to bring the following to your attention:<br> Since i cancelled my contract on the 13th if June 2015,i have been having problems with my network.<br> The images shows the last two day's only: Either all off a sudden i have no network or i do not have an active sim in my phone, which is ******* as the sim in my phone has been the same for the past two years.<br> This is not acceptable as what would happen if there is an emergency and i need to make an urgent phone call and this error happens?<br> I need to pay you still until my contract expires but i have to put of with this problems for the past 2 weeks.<br> I refuse to pay for service i do not receive & this is one big inconvenience.<br> I am not just complaining for the sake of things, but this is really not service & from a client that was with you for the past 6-8 years to no experience this and still pay my monthly payment, really, would you like this kind of service?<br> <br> My contract finish the end of July, i trust all is in order and it's cancelled as i have yet to receive any written communication from Virgin Mobile after my phone call with you.<br> Ref for was: VRNV***8/VRMN142