How to enter safe mode on iPhone4

1. iPhone4 can only enter safe mode by installing Activator after jailbreaking;

2. Find the icon of Cydia on the home screen of the jailbroken iPhone, enter Activator in the search box, Cydia will search for the corresponding results in the added source, click on one of the displayed results, enter the details of Activator, notice that there is an "Install" button in the upper right corner, after clicking, Cydia will automatically ** and install Activator;

<>3. After installing Activator in Cydia, click the home button to return to the main interface with the program icon, find the icon of Activator, and click to enter;

4. On the configuration interface of the activator, click "Anywhere" first. This means that any subsequent settings will take effect when the phone screen is in any state;

5. Set the action settings according to your preference, and here the action of shaking the equipment is used as the trigger action of the event;

6. This step is set to trigger the action (the above is set to shake the phone) after the Activator will react, enter the safe mode of the iPhone, find the "Safe Mode" under the "System Action", click to select to complete the setting;

7. Shake your phone to enter safe mode.

iPhone4 mobile phones only have "Airplane Mode" and "Do Not Disturb Mode", and there is no "Safe Mode".

Both Airplane Mode and Do Not Disturb can be turned on in Settings.

Be sure to press the volume + until Swipe to unlock !!

This situation is most likely caused by the theme not supporting the Retina screen, which makes Winterboard put the 59x59 ** up.

If you're talking about an iPhone: turn off first, press the power button and the volume up button + together, release the power button after the white apple appears, don't release the volume increase button until it is turned on, you may see a flash of white apple in the middle, don't release the volume + until it starts, and then you can enter safe mode.

If you're talking about a MacBook: To boot in safe mode ("Secure Boot"), do the following:

Make sure your Mac is turned off.

Press the power button.

As soon as you hear the startup sound, press and hold the Shift key. You should hold down the shift key as soon as you hear the start sound, not before you hear it.

During Mac OS X or later startup, you'll see Secure Boot in the sign-in window, even if it's normal automatic login. During Mac OS X to startup, you'll see "Secure Boot" on the Mac OS X boot screen.

To exit Safe Mode, restart your PC as normal, without holding down any keys during startup.

The first type: when you restart the computer or turn on the computer, press and hold the F8 key, then you will enter the system multi-operation boot menu, then use the up and down keys to select the safe mode, and finally press the enter key to enter the safe mode.