My phone network has gone since yesterday I need help

If you see No Service or Searching on your iPhone or iPad

1. Check your coverage area. Make sure that you're in an area with cellular network coverage. ... 
2. Restart your iPhone or iPad. Restart your device. ... 
3. Check for a Carrier Settings update. ... 
4. Take out the SIM card. ... 
5. Reset your Network Settings. ... 
6. Update your iPhone or iPad. ... 
7. Contact your carrier. ... 
8. Get more help.

If you see No Service or Searching on your iPhone or iPad ...

Remove your SIM card from the SIM card tray and then put the SIM card back. ... Make sure that the SIM tray closes completely and isn't loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly.

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad ...

Learn what to do if you see a SIM not supported alert.

boadu240 Said:

"My phone network has gone since yesterday I need help: I need help to do my phone"

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Have you lost your iPhone? If so, refer to the following...

Troubleshooting a Lost iPhone:

Being an "old" phone, what makes you so certain it was stollen? Perhaps it was lost. Perform the following...

For Find My, Go Here: Use the Find My App to Locate a Missing Device or Item - Apple Support

What Else to Try:

• Backtrack your Locations:

If you were at a retail store or local cafe', then stop by and see if if was placed aside by the store manager. You never know.

• Call the Number:

Dial the iPhone itself; you might hear it ring in the other room..

• Text the iPhone a Message:

If you cannot find this, then text the iPhone, sending it a messages asking whomever finds it to contact you. Perhaps, have them eMail you, putting a particular title in it (so that you recognize the eMail. If you go to pick it up from an individual, then have someone there with you, probably meeting them at a public, safe location, both for safety purposes.

• Also, Contact Local Authorities:

Perhaps someone is respective enough to have turned-around handed it over to local authorities. See if they have found it.

monwar