According to the experts, the devices retrieved messages and photos, even though the backup feature was off.
Information security experts of many countries have criticized the Chinese telecommunication equipment suppliers for installing backdoors in their products, that’s why the Chinese company Xiaomi, which is engaged in production of smartphones, was sued.
In the judicial claim the Chinese manufacturer was accused of secretly taking users‘ personal information and then sending SMS, files from gallery, the list of contacts, IMEI, IMSI and so on to servers in Beijing.
Besides, data were copied without owner‘s permission even thus the backup feature was disabled. According to the information which was provided by experts from F-Secure, data were sent to the "api.account.xiaomi.com" address.
Researchers noted that they couldn’t eliminate information leakage even when the Android operating system was removed and installed again.
It is necessary to emphasize that Xiaomi phones work on Android platform for 4 years. On August 16, 2010 the Xiaomi Company started the first MIUI firmware based on Android officially.