google pay UPI Not working

It says that the app doesn't support this version of the software or the device altogether. You can try updating the app and also check if you are on the latest iOS version for your device.

I am also not able to use any upi like google pay PhonePe paytm etc from last 2 months please solve my problem I can’t buy new iPhone I have tried many time for new updates but problem not solved

you are going to have to use apple pay as google pay doesn't work on phones before the 6s and you have a 6