What should I do if my iPhone won t turn on?

The battery is used up, and under normal circumstances, it may be due to the battery running out of power, which makes it impossible to turn on. Hardware failure. After plugging in the data cable, the device does not respond at all, which mostly occurs when the device has a hardware failure, and it is common to see water ingress between the devices, because the iPhone cannot remove the battery, it will always be powered on after water ingress.

There are several reasons why your iPhone won't turn on:

1.The screen shows a malfunction. 2.Faulty cables.

3.Motherboard failure. 4.Battery failure.

These common problems need to be inspected and repaired or replaced at a repair shop to be solved.

If none of the above can be solved, you can try the following methods!

1. Connect the iPhone to the charger and charge it;

2. During the charging of the Apple phone, when the charging symbol appears on the screen of the Apple phone, wait for a few minutes, and then turn on the Apple phone.

3. It may be that the power supply circuit of the battery is abnormal: use the external interface to supply power to the mobile phone, see if it returns to normal when it is turned on, if it is normal, it is determined that the power supply circuit of the mobile phone is abnormal.

3. The IC of the mobile phone power supply is abnormal: test the test point of the peripheral circuit of the power supply IC according to the circuit schematic diagram to see whether the test value is normal.

4. The system clock and reset of the mobile phone are abnormal: you can use the dual total oscilloscope to detect the CPU power supply of the mobile phone to check whether the waveform in the reset is correct.

5. If none of the above can be solved, it is recommended to go to the after-sales center for inspection and maintenance in time, and do not try to disassemble the machine for inspection by yourself, so as not to cause unnecessary losses.

If the smartphone is stuck in the boot animation interface during use, it is recommended to try to press and hold the power button for 12 seconds to force it to shut down.

Restart the phone again, if it does not solve your problem, please bring the purchase invoice, warranty card and mobile phone to the nearest customer service center for testing and processing.

Generally, if the mobile phone prompts to enter the RF test mode, it is most likely that there is a foreign object in the headphone jack or a short circuit in the circuit board.

Solution: The phone can't be turned on when it is chargedTips: Charge the phone, press and hold the "Power Key" and "Volume +" keys at the same time until the phone vibrates more than 3 times.

Then, press and hold the power button again to power on and see if it solves your big problem? I'm using this method here to successfully solve my own problem. Hopefully, this will be a useful way for you to boot up.

If the mobile phone is not a sudden destruction situation such as water ingress, the battery and the mobile phone are not problematic, you only need to plug the charger into the socket, according to the usual experience, ensure that it has been connected, regardless of whether it is lit or not, charge for about 20 minutes, and then turn on the phone to see if it solves the problem.

Another problem is that when the device is flashed or updated and upgraded to the system, it will also encounter the problem of not being able to boot. Generally, this situation leads to the inability to turn on,It is because of the improper operation of the flashing or upgrading the system,Although the boot screen is displayed,But it will stay in the Apple logo interface,But it cannot enter the system normally。

You first connect the iPhone to the charger to see if it can't be turned on because of the lack of power.

If your phone has power but doesn't turn on properly, it's likely that your phone is broken. If your phone is a genuine Apple phone from the National Bank. Then you just need to take the invoice and go to an Apple authorized repair shop for repairs.

If there is a quality problem during the warranty period, you can also directly change to a new iPhone.

If your iPhone was purchased online and is a different version of the phone, there is no invoice. Or a second-hand iPhone. Then you can only go to a regular phone repair shop for repairs.

What to do if your iPhone won't turn on.

Solution 1:

1.First press the volume up button, then press the volume down button, and then press and hold the power button.

2.When the Apple logo appears, release the power button and continue to press and hold the power button.

3.Until you enter iPhone recovery mode, if you fail to enter recovery mode, try a few more times.

4.Connect your phone with the computer with a data cable, the computer detects the phone, and click Restore.

5.Then click Restore & Update, Next, Agree, and wait for the recovery to complete.

Solution 2:

First of all, don't think that when you connect to the power supply, you can turn on normally when charging. In fact, if you use up all the battery power, the charge needs to be charged to 5% before it can be turned on normally. So in this case, please let the phone charge for a while before trying to turn it on.

Then, if you are sure that the current phone battery is sufficient, but it can't turn on normally, there may be a problem with the phone's software system. At this time, we can try to press the home button + power button on the home screen of the mobile phone at the same time until the screen is lit up and there is a display.

1. Press and hold [Power Button and Home] for more than 10 seconds; 2. Connect the power cord to charge the mobile phone, because the mobile phone will automatically shut down if it is out of power; 3. If the hardware fails, it is recommended to send the mobile phone for repair to an Apple authorized after-sales service store for testing.

Press and hold the [Power Button and Home] for more than 10 seconds.

Other method 1: Connect the power cord to charge the mobile phone, because the mobile phone will automatically shut down if it is out of power. 2. If the hardware fails, it is recommended to send the mobile phone for repair to an Apple authorized after-sales service store for testing.