Download 4 Free Oxygen Measure
4 Free Oxygen Measure 1.2.0 Original [20 MB]
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1. The first thing you should do is to make sure that your device allows you to install 3 rd party files. To check, simply go to Settings > Security > Unknown Sources and turn it on.
2. Find the downloaded APK file in your device and tap it to install.
3. If you’re downloading a game with an OBB file, you can check the step-by-step instructions here.
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The only possible reason we can think is that your internet connection is slow. Try to find another WiFi connection and see if that solves the problem.
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