How can I update my iPhone 3G?

Select Settings

Select Settings.
Select General.
Select Software Update.
If your iPhone is up to date, you will see the following screen.
If your iPhone is not up to date, select Download and Install. Follow the instructions on the screen.

Can you update iPhone when jailbroken?

Ask the people who provided your jailbreak. Believe me, it’s perfectly fine to update. All updating will do is erase the jailbreak and restore you to the stock settings. Jailbreaks aren’t all they’re cracked up to be anyway.

Can you still use a 3G iPhone?

All of your 3G devices will lose cellular service in 2022. Here’s what you need to know. In 2022, everything from your old phone to your alarm system could stop working as service providers begin to turn off 3G networks in the United States.

What is the latest iOS version for iPhone 3G?

What Is The Latest Version Of Ios For Iphone 3g?

Operating system	Original: iPhone OS 2.0 Last: iOS 4.2.1, released November 22, 2010
CPU	Samsung 32-bit RISC ARM 1176JZ(F)-S v1.0 620 MHz Underclocked to 412 MHz
Memory	128 MB DRAM
Storage	8 or 16 GB flash memory
Battery	1150 mAh, 3.7 V Lithium-ion battery

How can I download software update from 3G?

Select the Menu button

Select the Menu button.
Select Settings.
Select General.
Scroll to and select About device.
Select Software update.
Select Update.
Wait for the search to finish.
If your phone is not up to date, follow the instructions on the screen.

Does IOS update remove jailbreak?

Updating won’t remove the jailbreak. It’ll only result in a boot loop. Make a backup in iTunes and then restore your device to factory settings.

What is the latest version of iOS for iPhone 3g?

iPhone 3G

Operating system	Original: iPhone OS 2.0 Last: iOS 4.2.1, released November 22, 2010
CPU	Samsung 32-bit RISC ARM 1176JZ(F)-S v1.0 620 MHz Underclocked to 412 MHz
Memory	128 MB DRAM
Storage	8 or 16 GB flash memory
Battery	1150 mAh, 3.7 V Lithium-ion battery