The option to customize both the photo and many other aspects and details of the lock screen is allowed on many systems. So here are some of the ways to customize your lock screen on Android, Samsung and IOS systems. Samsung Open your device's settings, then find the 'Themes' option and tap it. This will bring up a series of free and paid theme options. But if you want to add a photo from your own phone, tap on the 'My Stuff' option and then tap on 'Pap. Par.' Now just click on Gallery and choose the image you want. If you want to change the clock on the lock screen, you can do so by going into Settings, then open the 'Lock Screen' option and click on 'Clock format on lock screen', and select the option that best suits your tastes. Android Hold your finger on the screen, then press the 'Wallpaper and style' option, then choose the 'My wallpapers' option if you want a photo pre-stored on your device, i.e. photos already prepared by the system itself, or the 'Gallery' option if you want to add a photo already downloaded to your device. To add widgets you also need to hold your finger on the screen, then click on the 'Widgets' option and choose one of them, once you've chosen it, just hold your finger on it and drag it to the desired location. IOs Keep your finger pressed on the lock screen until a small window appears. Then tap the + button and select one of the available themes, or if you want to use a photo on your device, press the blue button with two photos as an icon and then choose the one you want. If you want to add widgets, you can do this by opening the lock screen (hold your finger on the screen), then tap on customize and add widgets, now just add the widget you want, you can also remove the clock to add another one in its place, such as the calendar, weather update, fitness activities, etc.