How to use Led Flash for notifications on Oppo F9 Pro ?

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To cast your phone screen on your TV you need to have Chromecast.Follow the steps to successfully cast your screen- Before you begin casting Connect your phone to a Wi-Fi network. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast. You must be running the latest version of the Chromecast-enabled app. You can always double check that you are on the latest version by visiting the Google Play Store. Cast from Chromecast-enabled apps to your TVMake sure that the phone you are using to cast is on the same Wi-Fi network as your Chromecast or TV with Chromecast built-in.Open a Chromecast-enabled app.Tap the Cast button Inactive cast extension.Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.Tap the device you'd like to cast to.When you're connected, the Cast button will turn color, letting you know you're connected.Select the app like Youtube, Browser, Google Music etc and look for the Cast icon as shown in the image below. You can now cast videos, movies and TV shows directly to your TV.To stop casting, tap the Cast button and then Disconnect.You can also watch this step-by-step guide to do the same You can check the complete specs of this phone:Oppo F9 Pro

Hide Photos and Videos on your phoneTo hide photos and videos on your phone you will have to download the app named "Gallery Vault" and follow the steps below: After downloading the app from the playstore you need to configure your app. Open the app and it will prompt a "Grant Access" screen. Tab on that and allow all the prompts as shown in the Image below  It will ask you to set your password and enter the email Id for recovery.   After completing all these processes you will see an app welcome screen. Read the instructions if you want and click Next.  On the main screen you will see a "+" button. Tap on that and Select the Images or Videos you want to hide.  And you will see a confirmation message on your screen as shown in the Image below. And you are done!You can check the complete specs of this phone: Oppo F9 ProYou can also check the video below for your reference:

You don't need to enable VoLTE. Insert the Jio (VoLTE enabled) in any slot. By default, VoLTE will be active. If it is not, you can change the network preferences from Network option in settings. Tap Settings > More. Tap Cellular networks > IMS Settings > Voice over LTE On/ Off. You can find full specifications here: Oppo F9 Pro

Water Resistance is a systematic engineering in a digital product and Oppo F9 Pro's built makes it very hard to reach a great level of waterproofing. Oppo F9 Pro can get damaged even with a splash. So, Oppo F9 Pro is not at all waterproof and you might have to get a new one if you drop it in water. You can find the complete specifications here: Oppo F9 Pro