[Windows Central Question]

I have the lumia 435, affter use in 3 days, i have one problem with the lockscreen button, i can't press it to lockscreen @@ but when i hold it to turn off my phone.... it's work, even if i turn on "double tap" to open it.... it's not work and then i decide to remove 2 sims then turn on my phone.... everything is work no problem of the button.

[gpobernardo]

I have the lumia 435, affter use in 3 days, i have one problem with the lockscreen button, i can't press it to lockscreen @@ but when i hold it to turn off my phone.... it's work, even if i turn on "double tap" to open it.... it's not work and then i decide to remove 2 sims then turn on my phone.... everything is work no problem of the button.

Did your try inserting your SIM cards again into your phone and see if the power button is still not working properly?

If yes, then your phone just needed to be restarted (or soft-reset-ed, which is the equivalent of taking the battery out).