Generally, don't believe that many criminals will use email to spread websites. When you click on a website, you will enter a phishing website. Usually, you will receive a password reset or change. If you reset the password or change it yourself, it will be fine. If not, it is possible that someone else is using your number.

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IPhone power saving tips:

1. Reduce the number of push notifications that appear on the lock screen. The notification that appears when the screen is locked will help users understand all the reminders, but this function is quite power-consuming. If there are some tweets that don't need continuous attention, you can go to Settings, then go to Notifications, click on related applications, and set whether to display them in the lock screen.

2. Check which applications consume the most power and then decide whether to delete the settings. Click General, and then enter the battery power in the power consumption to know which applications have been used in the last day and which applications consume the most power.

3. Turn down the screen brightness. If the battery of your mobile phone is low, turning down the screen brightness is the first emergency measure you should use. Slide from the bottom to the top to adjust the brightness of the display.

4. Turning off the health tracking iPhone 5s or above will quietly monitor your exercise in the background and integrate the data into Apple's health application. Although this function is very useful, you can also turn off power saving. Go to the privacy option in the settings, and then click Sports and Fitness to turn it off.