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You can go to Settings > Display and Check if there is a cast option. If there is an option, select cast option, and select a nearby device to cast upon.

Oppo F5

Checking data balance on BSNLThere are multiple ways of checking your data balance on BSNL.
1. Using USSD code.Use the follow USSD code to check your data balance.BSNL 3G/4G Data Balance Check*123*10#BSNL 2G Data Balance Check*123*10#BSNL Night GPRS Balance Check Ussd codes*123*8#
2. Using My BSNL App.
Another way to check out your balance is through My BSNL app. It is available on both  Android and  iOS and can be downloaded through their respective stores.The advantage of using My BSNL app is that you don't have to remember the USSD codes.

1. Download the app from your respective app store.




2. Sign Up using your phone number or Email Id on the app.




3. Click on Account. It will show all the information related to your BSNL SIM.such as phone balance, data balance, validity etc as in the attached screenshot of My BSNL app from Playstore.
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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

1. Connect your phone to a Wi-Fi network.

2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast .

3. 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 TV

1. Make 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.

2. Tap the Cast button Inactive cast extension. Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.

3. Tap the device you'd like to cast to.

4. When you're connected, the Cast button will turn color, letting    you know you're connected. 

5. Select the app like Youtube, Broswer,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: Xiaomi Redmi Note 5 Pro

From a Home screen, tap Phone (located in the lower-left). ...

Tap the Menu icon (located in the upper-right).

Tap Settings.

Tap General.

Tap the Video calling switch to turn on or off.

If presented with a confirmation screen, tap OK.

Alternatively, you can make video calls using WhatsApp and Skype as well.

You can see full specs here: Samsung Galaxy S9 Plus

To set an MP3 file for use as custom ringtone system-wide, do the following:

1.Copy the MP3 files to your phone.

2.Go to Settings > Sound > Device ringtone.

3.Tap the Add button to launch the media manager app.

4.You will see a list of music files stored on your phone. 

5.Your selected MP3 track will now be your custom ringtone.

You can check the full specs here: Xiaomi Redmi Note 5 Pro

Follow the steps below to use Wifi Hotspot in your phone 
1. Go to "Setting"
2. Tap on " More"
3. Then click on " Thethering & Portable Hotspot"

4. Tap on "Setup Wifi Hotspot"
5. Enter User ID and Password"
6. Click on "Ok"

7. Tap on the " Portable Hospot Toggle" to turn the Hotspot on or off.

You can check the full specs here: Xiaomi Redmi Note 5 Pro

Follow the steps below to use Wifi Hotspot in your phone 
1. Go to "Setting"
2. Tap on " More"
3. Then click on " Thethering & Portable Hotspot"

4. Tap on "Setup Wifi Hotspot"
5. Enter User ID and Password"
6. Click on "Ok"

7. Tap on the " Portable Hospot Toggle" to turn the Hotspot on or off.

You can check the full specs here: Redmi 5

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.

Specs: Xiaomi Redmi Note 5 Pro

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

1. Connect your phone to a Wi-Fi network.

2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast .

3. 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 TV

1. Make 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.

2. Tap the Cast button Inactive cast extension. Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.

3. Tap the device you'd like to cast to.

4. When you're connected, the Cast button will turn color, letting    you know you're connected.

5. Select the app like Youtube, Broswer,Google Music etc

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 A71

:- 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
1. Connect your phone to a Wi-Fi network.
2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast .
3. 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 TV
1. Make 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.
2. Tap the Cast button Inactive cast extension. Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.
3. Tap the device you'd like to cast to.

4. When you're connected, the Cast button will turn color, letting    you know you're connected.

5. Select the app like Youtube, Broswer,Google Music etc and look for the Cast icon as shown in the image below.

Check more details here: Mi A1

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
1. Connect your phone to a Wi-Fi network.
2. The mobile device, tablet or computer you are using to cast must be on the same Wi-Fi network as your Chromecast.
3. 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 TV
1. Make 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.
2. Tap the Cast button Inactive cast extension. Note: The Cast button isn't located in the same place on all Chromecast-enabled apps.
3. Tap the device you'd like to cast to.

4. When you're connected, the Cast button will turn color, letting you know you're connected.

5. Select the app like Youtube, Broswer, 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 F7

To Increase the speed of your slow Android phone here is the guide to speed it up in 5 Minutes

1. Close all your unused apps.

Closing all the apps which you are not using saves a lot of memory usages which can be utilized by other apps to make it run faster.

2. Clean all the app cache

Download Clean Master software from the Play store

Press Junk Files and let it do its work 

After that press on Phone Boost option.

3. Disable the Animations

1. Go to "Settings"

2. Then Go to "About phone"

3. Tap on " Build Number" 7 times.

4.  Then Go back to settings and Tap on " Developer Option"

5. Scroll Down to "Windows Animation Scale". as shown in the Image below

6. Tap on "Animation Off".

You can check the complete specs of this phone: Xiaomi Redmi Note 5 Pro