Does Xiaomi Redmi 4A support NFC ?

No, the Vivo U20 does not support 5G and it is quite obvious as well since the 5G technology is not present in the market right now and there is time for it to make its presence.So, companies aren't bothering about this technology in their devices.Check Full Device Specifications: Vivo U20

Check the steps below:-Open your Android's Google Play Store.Tap the magnifying glass icon.Type WhatsApp into the search bar, then tap Go.Tap the "WhatsApp Messenger" item.Tap INSTALL.Tap ACCEPT when prompted.Wait for WhatsApp to finish downloading, then tap OPEN.Tap AGREE AND CONTINUE.You can check the specs of Vivo U20 here: Vivo U20

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.Go to Settings > Call Settings (Sim and Network)Tap Cellular networks > Enable Voice over LTE On/ Off.Alternatively, you can follow a much easier way:You can simply dial *#*#4636#*#* Choose Phone information.Click " Phone Information" and Toggle VOLTE Provisioned.Restart the phone and you are done.You can check the below video to get more clarity:You can check the specs of Vivo U20 here: Vivo U20

Many phones these days provide an inbuilt app locker. You can find this option as App Locker, generally under the Utility option. You can simply open the option and select an app that you wish to lock. Now every time you wish to open that app, you will have to enter the phone lock password or authenticate using the fingerprint sensor, if your phone supports fingerprint.Alternatively, if your phone does not support this feature, you can download the app named app locker from play store.You can find it here.Configuring it is easy.Download App Lock from the Google Play Store.You will be asked to set a pattern lock when you launch it for the first time.Then you need to configure an E-Mail ID for security and backup purposes.Under the Privacy tab, you can find a list of apps installed. You can select any one of them to lock.Now whenever you open the app you have locked using AppLock, you will be asked for a password.You can also unlock it using your fingerprint.You can check the video here:You can check the specs of Vivo U20 here: Vivo U20

Well, sometimes you watch some movie and you want its tune as your ringtone. Happens right? It happened with me last when I watched Sherlock. Remember that violin tune.? Yes, so I got the tone and copied it to my phone by simply emailing and downloading it to the email ID configured on my phone.Once there, navigate to SettingsOpen the sound sectionFind Phone Ringtone option and open itSelect local ringtone and select the ringtone which was copiedSo, you are done. Each time your phone rings, you listen to your favorite tune.You can check the specs of Vivo U20 here: Vivo U20

There might be some pictures or videos that you want to keep safe, so you have no worries while sharing your phone with others for a phone call or showing the selected pictures you took on your last trip.You can hide sensitive pictures and video and just relax. There are many ways of doing that.The Technical Way:One way to hide pictures from showing up in your gallery is to change their extension. You can do that by renaming them and putting something else than .jpg or .jpegThese are the formats which your phone photo viewer understand as a picture.Your pics are not hidden and still accessible through File manager, but they will surely not show up in the gallery.The Easiest way:The easiest way to hide and unhide your pictures in bulk is to use a vault. There are a lot of applications available for hiding your pictures and videos. You can choose one from them:My personal favorite is Vault as it allows you to hide SMS and take backups. You can also protect your applications with this.Know how to Vault:You can see detailed specs here: Vivo U20

This is a feature that is there in all iPhones. Yes, it looks cool when the LED light blinks whenever there is a notification. Let us see how android users can use the same on their phones.There is an app by the name of "Flash Notifications". You can find this app here.The process is simple, download the app and select which all applications you wish to connect to Flash Notifications.You can configure settings like the length of flash, the number of times you want the flash.Once done, you are good to go. You can simply test it by calling on your number from another device.You can check the specs of Vivo U20 here: Vivo U20

Vivo U20 comes with the option of Native Video Calling.The easiest way to do so is to :1 Go to the settings option.2.Go to the settings menu.3.Find the option of Video Calling.4.Tap to start Video Calling.In the meantime,do not forget forget to find the detailed specifications and other latest updates regarding Vivo U20 here.

Turn on Battery Saver on your Android phone:Go to settings.Then tap on Battery option.Then Tap on Battery saver optionThen select the percentage at which you want to trigger the battery saver in your phone and you are Done.You can also check the video below for more descriptionYou can check the complete specs of this phone: Vivo U20

You can explore to buy the Vivo U20 on EMI without a credit card as well. Paysense is one such portal that allows you to do so. Let us see the steps:1. Visit this register link.2. Click on Continue with Google.3. Enter your first name.4. Enter your second name.5. Enter your date of birth followed by all details like PAN card and Net Monthly salary.6. You will receive an OTP on your mobile to verify your PAN and account.7. You will then be able to see the loan limit you are eligible for.Alternatively, you can buy using your debit card on select websites. Amazon supports this feature:1. Check your card's eligibility.2. Once you are sure that your card is eligible, you can simply go ahead and make the transaction.You can check this video:You can check the specs of Vivo U20 here: Vivo U20

To cast your phone screen on your TV you need to have Chromecast.Follow the steps to successfully cast your screen-Before you begin castingConnect 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 sameYou can check more details here : Vivo U20

Transfer files from your phone to another device. 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. To transfer data from a phone to phone. There are many ways you can transfer your data like Using the Shareit app( ShareIt), Bluetooth etc. Using share it app: Just download the shareIt app on both the phones and open it. then select the app, photo, the 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 also check below video to share big files between two Android devices:You can check the specs of Vivo U20 here: Vivo U20

Check the steps below to backup your Android phone:-Go to your Settings menu.Scroll down and tap on System.Go to Backup & ResetEnable Data Backup and Automatic RestoreAlso, keep your Google account synced for contacts and calendar.You can check the specs of Vivo U20 here: Vivo U20

Yes, Vivo U20 does support USB-OTG connectivity and you can connect your USB Drive to it.Before you connect the drive using OTG cable, you need to enable OTG support on the device.To enable OTG :Open Settings-> Additional Settings-> OTG connection. Here you need to enable the option.Top 10 uses of OTG that will amaze you:You can find complete specifications here: Vivo U20

Definitely, Vivo U20 is not waterproof. Though it has a non-removable back cover, still it is not waterproof. It may sustain a few splashes of water, but it will not withstand a drop in water. IP67 or IP68 certification is not very easy to attain. All the ports, SIM tray, and speakers need to be waterproof and ensure no water penetrates. You need to be careful while using your phone, if it drops in water, you definitely need to get a new one.You can check the specs of Vivo U20 here: Vivo U20