Data disappearing

<p>I use Telkom Mobile for my home wifi. I have a Huawei LTE router. I have Activity Monitor on my iMac so monitor my data usage all the time. Every morning I log into Telkom Mobile web site to get my usage for the previous day. My usage is noted in my diary. Every night at about 8.15 pm my computer and the router are turned off and unplugged. Last night before doing this I checked my Activity Monitor and noted I had used 400mb. Early this morning when I logged onto Telkom Mobile my usage was 2600mb. All my updates on my Mac are set to be manually updated so I know how much data is used. This loss of data is happening on a regular basis, often I notice I have higher usage early on a Monday morning. WHAT IS HAPPENING WITH MY DATA. I phoned Telkom Mobile this morning to query this and a very nice lady said that she could see on her side I had used 2600 mb. I told her the whole story but she said that as far as they are concerned I had used it. This is not possible. THIS IS THEFT. After speaking to the lady this morning she suggested I turn the wifi off on the iMac, take note of the readings on Activity monitor then put the wifi back on after a couple of hours. This I did and the monitor said I had used 74 mb. 4 hours later I turned the wifi back on and checked on Telkom Mobile for usage, which said I had used 202 mb. Something is very wrong.</p> <p>Also for the past 3 weeks my LTE is often not working. I have had this LTE for nearly 3 years and it has always been very good, with speeds up to 25mbps. Most of the time now it is not working, or is so slow it is going backwards!</p> <p>Please Telkom sort this disapperance of my data!!!!</p> <p> </p>