How to turn navigation buttons back light on again?

[Windows Central Question]

So I just bought a brand new lumia 430 and it was perfect. but after a couple of hrs its nav buttons turned off. i googled my problem and found out that some people have the same problem with no solution.

I was wondering if someone can HELP me out.

 

[Ashwani Kumar Singh]

So I just bought a brand new lumia 430 and it was perfect. but after a couple of hrs its nav buttons turned off. i googled my problem and found out that some people have the same problem with no solution.

I was wondering if someone can HELP me out.

Check with Microsoft Service Center.