Lost Data

i have logged many complaints with Vodacom and no result ,Vodacom made contact with me (Moddy K) she has made a request and my replay to her was immediately she on the other hand only replayed 14day's later to tel me that she has loaded my acc. with 3G of data.my data sms reads on the 04/10/2015 21:55 that have 50% of data left of 5G contract.12/10/2015 Moddy K emaild me that she has loaded my acc with 3G for free yipeeee.<br> 14/10/2015 :22 i switch on my device and it and it stated that i was out of data.14/10/201511:08 i had 4.20Mb left.14/10/2015 16:89 i had remaining on my data was 4.89.so please Vodacom tel me how i can use all of my data if the device is switch off? i wrote an email to Vodacom ,Hi Moddy K What I don't understand from Vodacom is that I have used 50% of my data on the 4th of October 2015 and I have just plugged in my device for the 1st time since last week Wednesday. Please tell me how can I use data and my device is not even on, HOW!!!!!!I told Andre at Vodacom that I will blog about Vodacom every day until my contract is cancel.<br> The 1st month Microsoft 2nd Google and 3rd was android.