Due to No Service

Hi Malik-

Things to try:

1. Force ReStart your iPhone and here is hot to do it-->>Force restart iPhone - Apple Support if this does not work then
2. Reset Network Settings. Go To Settings-->>General-->>Reset-->>Reset Network Settings and if this does not work then
3. If you have access to another working SIM that you can insert into your iPhone 5s to check whether you can connect to the cellular network then that will tell you whether it was the SIM card at fault or not.
4. Finally, if all else fails then have it examined at the Apple Store or Repair Center.

Good Luck.

Axel F.

Hi

try out some tips-

• Restart your phone
• Reset network settings on your iPhone.
• Install iOS update, if available.
• Reinstall the SIM card.

Hope it may help.

Did you already try the general troubleshooting mentioned in this article?

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad - Apple Support