Cannot make call when connect LTE

[Seanmine]

After I've upgrade to andriod 6 I cannot make call anyway when connect LTE after disconnect LTE I can make call normally. Please help...

[MarlonUk1]

do you receive any errors? try to set your network type to LTE only and restart your device,

make sure you are in an area with strong lte signal. at least 3 bars

[Uliwooly]

@Seanmine

Just to clear this up, when you make a phone call while on LTE, what happen? do you get an error? does the call end? 

[Seanmine]

No error call end instantly

[Seanmine]

And other cannot call to me

[Uliwooly]

@Seanmine

Could you try a different SIM card or get a brand new SIM card?

Could you test it in >>> safe mode