To manually enter DFU mode on your device, follow these steps:
1. Connect your device to a computer using a USB cable.
2. Locate the Home button on your device. On iPhone 6s and below, it is a physical button on the front of the device. On iPhone 7 and newer models, including the iPhone SE, it is a capacitive button.
3. Locate the Lock (or Power) button on your device. It is usually located on the top or right side of the device.
4. Press and hold down both the Home button and the Lock button simultaneously. Make sure to hold them down at the same time.
5. After 8 seconds, release the Lock button while continuing to hold down the Home button. You should still be holding the Home button down.
6. Keep holding the Home button until your device enters DFU mode. In DFU mode, the screen will remain black, indicating that your device is ready for a restore or firmware update.
It’s important to note that entering DFU mode can be a bit tricky and may require some practice. If you see the Apple logo or any other logo on your screen while attempting to enter DFU mode, it means you have entered a different mode and should start over.
Additionally, it’s recommended to ensure that you have the latest version of iTunes installed on your computer before attempting to enter DFU mode. This will help ensure a smooth process when performing a restore or firmware update.
Entering DFU mode can be useful for troubleshooting various issues on your device or performing a firmware update. However, it’s important to remember that entering DFU mode should be done with caution as it can potentially result in data loss if not used correctly. It’s always a good idea to backup your device before attempting any kind of restore or firmware update.
I hope this guide helps you manually enter DFU mode on your device. If you have any further questions or need more assistance, feel free to ask.