I m using iphone 12 since 4 months since 15.1 update i m facing a issue in calling
in normal calling I got more than 10 times call failed in a day
as same as in whatsapp video or voice call the call ended automatically
i again updated my phone to 15.2 but still the problem is not solved
in 15.3 the isssue is same
iPhone 12, iOS 15
Try to optimize the range of the mobile network, see this Apple article:
If you see No Service or Searching on your iPhone or iPad
https://support.apple.com/en-us/HT201415
Check also the Wi-Fi network, see the following Apple articles:
Connect to Wi-Fi on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT204051
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
Try to optimize the range of the mobile network, see this Apple article:
If you see No Service or Searching on your iPhone or iPad
https://support.apple.com/en-us/HT201415
Check also the Wi-Fi network, see the following Apple articles:
Connect to Wi-Fi on your iPhone, iPad, or iPod touch
https://support.apple.com/en-us/HT204051
If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
Whatsapp call issue
