2. Enable Power Savings Mode

If you want to preserve your battery in a power saving mode, then you have to navigate to the settings menu and turn on the Power Savings Mode. When your device charge decreases to a specified level, some device features like WIFI would temporarily be disabled. You can almost customize everything here.

For example, the Galaxy S5's Ultra Power Savings Mode, allows you to send calls, texts, browse the internet, and use a few stock apps, simultaneously taking care of your battery.

3. Use Google Authenticator To Keep Your Information Safe.

Google Authenticator provides two-step verification security for your Google account. So, when you log in, you'll need a code generated by the app in addition to your password. This makes certain that strangers can't log in to your account.

For example, if you log into Gmail on a different computer, you would need to take out your phone, open the app, and then enter that code to access your account.

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