Yes, you can actually use WhatsApp on your Android device without a SIM Card. You can also have more than one WhatsApp accounts on multiple devices with only one mobile number and a single active SIM Card.
There are lots of methods which you can use to do this, but in this post, we will be showing you the simplest and easiest method. We will be making use of a 3rd party application called TextNow which is available on the Google Play Store for free. Without further ado, this is how to use WhatsApp without SIM card on your Android.

This can be achieved easily by following the steps below.

Download the TextNow app and install it on your
Android device(Especially on a TECNO Spark2 device).

• Launch TextNow application.

• you should be able to get a virtual mobile number on the app. (NB: You might be asked some mandatory details like area code to get the virtual mobile number).

After getting your virtual number, you can use it for free calls and SMS.

• Go back to your WhatsApp and use the virtual number to Login.

• Make sure you use the verification method “Call Me”.

• When you’re called, the TextNow app will let you know you have a call and you can answer it through the app.

• Remember the code and Input it where necessary to access WhatsApp.

You now have a new WhatsApp account without using a SIM card or having a phone number. You can do this on different phones without a SIM card as well.

Conclusion
This is how to use WhatsApp without SIM card on your Android. This is very easy compared to others, let us know when you try it in the comments

Source: https://www.phonecorridor.com/2018/07/use-whatsapp-without-sim-card-android/

I'll definitely try it on my spark 2.. thanks for this

Does it have to be spark 2 or just about any Android smartphone?

Ope o! I've been battling with two WhatsApp account a, having to sign out and re-sign in all over again. This will help.

This won't work as whatsapp don't accept virtual numbers for verification

This trend is encouraging ...just did it on my spark 2 and its working...

Nice

Contact me for Google Voice number this will save you some stress and can both verify almost all popular site and media apps whatsapp, FBK, PayP etc

If You know u know
Use my signature number

Techno marketers

Wisedove:
This won't work as whatsapp don't accept virtual numbers for verification

You'll click call not verification through message.

Techm8:
Does it have to be spark 2 or just about any Android smartphone?

any Android device but I said TECNO Spark2 cos I tried it on it and it worked perfectly.

niceeee

Drop

Ejadike:
any Android device but I said TECNO Spark2 cos I tried it on it and it worked perfectly.

Wow... Excellent

This is nice. Does it work on the Spark 2 alone?