Asus India — mobile phone asus 6z hanging issue with in a month of purchase

Address: 143422

I bought asus 6z in december 2019 but after 15 days i feel some lags in my phone but sudden one day my phone hanged and i could mot do nothing on screen after that several times i found my phone lots of lags after android 10 update. Some time showing screen (Ui not responding) once in a day when i open front camera but camera not flip and writing on screen flip camera could not open. I typing a lot on whats app but many times i was typing but words not write on screen after a few second phone hanged