1. AC Question's Avatar
    I bought a sony ericsson xperia arc S about 4 days now. I couldn't use the date. I use to on it alright but no signal, I use wi-fi to set up all i need but when i want to download any apps from google, they keep telling me Data Connectivity Problem. Sometimes, they give me a sign that security warning. There is a problem with the security certificate for this site. this certificate is not from a trusted authority.
    I need a help to operate my phone Please.
    03-14-2017 12:50 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which carrier? Are your APN settings correct for the carrier? What is an APN, and how do I change it? | Android Central
    03-14-2017 12:51 PM

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