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Hello



About a month ago I bought a prepaid SiM with the 5GB plan (25€), and yesterday I activated another 5GB using the same tariff. Someone is stealing my data because today I see I've used 2GB in less than 2 days, when the last time I only used 4 GB in the whole month. I have WIFI in both my house and at work, so I should be using very little data.



I would like to know how can I request for o2 to open an investigation so they can check which IP/device is using my data, I guess the o2 shop resold my plan to another customer because they stayed with my activation code and only gave me the receipt.



Thank you in advance
Hello



About a month ago I bought a prepaid SiM with the 5GB plan (25€), and yesterday I activated another 5GB using the same tariff. Someone is stealing my data because today I see I've used 2GB in less than 2 days, when the last time I only used 4 GB in the whole month. I have WIFI in both my house and at work, so I should be using very little data.



I would like to know how can I request for o2 to open an investigation so they can check which IP/device is using my data, I guess the o2 shop resold my plan to another customer because they stayed with my activation code and only gave me the receipt.



Thank you in advance

Prepaid cards don't have the option to multicards, you can check your detailed usage in the settings on your device. Maybe some kind of download accelerator is active, that is activating mobile data even while being to connected to WiFi.

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