How do I fix no service on my iPhone 4?

To fix this it’s best to reset the network settings of your phone.

Tap Settings.
Scroll to and touch General.
Scroll to and tap Reset.
Tap Reset Network Settings.
Tap Reset Network Settings.
Your phone will reboot. When the phone starts the default network settings will be restored.

Can you get service on a jailbroken iPhone?

Jailbreaking also lets you customize the iPhone’s interface in ways not allowed by Apple. But if you jailbreak and then unlock the phone you have the option to use a different carrier (T-Mobile, in this country) and purchase a pay-as-you-go SIM card for it.

How do I fix my iPhone if it says no service?

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

Check your coverage area.
Restart your iPhone or iPad.
Check for a Carrier Settings update.
Take out the SIM card.
Reset your Network Settings.
Update your iPhone or iPad.
Contact your carrier.
Get more help.

How do I fix no service?

How to Fix “No Service and Signal” on Samsung and Android

Restart Your Android or Samsung Device.
Toggle Airplane Mode.
Manually Select Network Operators.
Run a Ping Test With Service Mode.
Double-Check Your Sim Card.
Restore Factory Settings.

Does jailbreak allow any carrier?

Jailbreaking doesn’t = carrier unlocked. Jailbreaking is similar to rooting an Android phone and is unrelated to unlocking carrier lock.

Is jailbreaking and unlocking a phone the same thing?

Not necessarily. That’s “jailbreaking,” which is different from unlocking. And then there’s “rooting,” which only applies to Android phones. In effect, users require special permission from the Library of Congress to modify their phones.

Why does my Sim Say No service iPhone?

You may need to contact your network provider: If the SIM card is damaged, or doesn’t fit in the SIM tray, ask your network provider for a new SIM card. If you transferred your SIM card from another device, ask your network provider whether your SIM card works with your iPhone or iPad.