my mobile not showing network showing no services, if changed mobile it showing network.
if I restart mobile it showing notification that to update 15.2 but if try to update it come error that unable to verify, please help me to solve the issue.
iPhone 6s, iOS 15
my mobile not showing network showing no services
You have 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
Chcek also the Wi-Fi network, you need strong Wi-Fi network, see this Apple article: If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
https://support.apple.com/en-us/HT204051
When Low Power Mode is On, charge the iPhone.
Wait until the battery is fully charged (100%).
The Low Power Mode will turned off automatically.
You need about 6 GB device storage.
Try also to update using the computer -see this Apple article: Update your iPhone, iPad, or iPod touch with iTunes
https://support.apple.com/en-us/HT212186
my mobile not showing network showing no services
You have 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
Chcek also the Wi-Fi network, you need strong Wi-Fi network, see this Apple article: If your iPhone, iPad, or iPod touch won’t connect to a Wi-Fi network
https://support.apple.com/en-us/HT204051
When Low Power Mode is On, charge the iPhone.
Wait until the battery is fully charged (100%).
The Low Power Mode will turned off automatically.
You need about 6 GB device storage.
Try also to update using the computer -see this Apple article: Update your iPhone, iPad, or iPod touch with iTunes
https://support.apple.com/en-us/HT212186
Network error
