Yes, Honor 9N have a notification LED. Honor 9N is a wonderful product which offers you a combo of features in a budget price. Especially the camera, there is a 13+2MP dual primary camera and 16MP front camera.
To Transfer files from your phone to another device.
1. To transfer data from your phone to a Laptop
Use the data cable that came along with your phone. Simply plug in your device and start transferring your data to your laptop.
2. To transfer data from a phone to phone.
There are many ways you can transfer your data like Using the Shareit app(https://play.google.com/store/apps/details?id=com.lenovo.anyshare.gps&hl=en), Bluetooth etc.
Using shareit app: Just download the shareit app on both the phones and open it.then select the app, photo, video you want to transfer from the list and press "Send". It will search for the nearby device. Once the device appears tap on that your file will be transferred.
You can check the complete specs of this phone: Honor 9N