How to receive OS updates using wifi and VOiP number? Keep getting

[VOiP4me]

There must be an update available. Using Android 4.4.4 but games thru FB messenger tell me my device needs an update. Please advise...

 

[Aquila]

What device are you using?

 

[VOiP4me]

I'm using a Huawei Raven H892L

 

[VOiP4me]

I'm using a Huawei Raven H892L