Title: Hi HN, this is my efforts in reverse engineering a BLE car battery monitor where it&#x27;s app has over 100,000 downloads on the Google Play store alone.<p>It turns out it&#x27;s sending GPS, cell phone tower cell IDs and Wifi beacon data to servers in Hong Kong and mainland China on a continued basis. Google and Apple app store pages say no personal data is collected or sent to 3rd parties.<p>Hopefully readers pick up a few tips on reversing apps for their connected devices.
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