Hi Kitarp_Amal,
We appreciate you reaching out to us.
We’d like to gather additional details that may help us be in a better position to assist you.
Can you switch on Wi-Fi, Bluetooth, and Cellular Data on Settings?
If yes, try to reset your Network Settings
- Go to Settings.
- Select General.
- Tap Transfer or Reset iPhone.
- Select Reset.
- Tap Reset Network Settings.
You can use the articles below as a reference.
If you see No Service, Searching, or SOS on your iPhone or iPad - Apple Support
If your iPhone or iPad won't connect to a Wi-Fi network - Apple Support
If you are unable to switch on Wi-Fi, Bluetooth, and Cellular Data on Settings because they are all greyed out, please use this link to explore your service options: Get Support
Take care!