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For more generic questions relating security issues. For specific issues having their own tags, please use those -- e.g. 'malware', 'antivirus', 'privacy', 'lost-phone'. Please see the full tag wiki for more. For more in-depth Android security issues, you might rather want to visit our sister-site at http://security.stackexchange.com/questions/tagged/android

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I wanted to insert a second sim card in my Umi phone. From then onwards, it always asks me for this 'privacy protection password'. I can only insert numbers, not letters... so I'm very puzzled about w …
asked Aug 6 '15 by Mavi