How do I open caller ID on true caller for Lumia phones?

[Windows Central Question]

how to open caller id on true caller for lumia phone

i try to on caller id for true caller in my phone lumia 640 xl but it retain off after back in setting. how it on permanent.

 

[wbadry]

Same issue. I suspect that any update is required since Lumia 640 XL is shipped with denim update and latest network and extras info. Also the app is installed on phone memory.

 

[HITESH LALWANI]

Re: how to open caller id on true caller for lumia phone

I'm having the same issue