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How To Upgrade iPhone(3G/2G) Firmware

If you are an iPhone user and not sure that how to update your iPhone to the latest firmware then this simple tutorial will make things easy for you.
Now,before we start, we should know why iPhone firmware update is required? Answer is simple: Each software operated hardware has an embedded application software in it called Firmware.This firmware allows companies to control things and enhance features of the device by making some changes in it.Users just need to download these updates to use new features or changes.

Apple has released many updates for their iPhone and 3.1.2 is their latest. If you are interested in updating your iPhone to the latest version then follow these simple steps to get the job done.

Warning
If you have jailbroken your iPhone previously on iPhone firmware 3.1.1, don’t upgrade to latest firmware this way or you will lose the ability to jailbreak in the future.

Backup Your essential data
Before you proceed make sure you backup your important data stored in iPhone on any permanent storage device like hard drive of your computer or some flash drive as while doing any firmware update, you may damage your old data and may not be able to access it.

Restore Your Settings To Default
After backing up your data,connect your iPhone with PC and start iTunes.Try using the latest version if iTunes to avoid any troubles.Now you need to restore your iPhone to default settings.You can do this through main menu of iTunes.Click the restore button and your settings shall by restored to default.

Important
Once you restore settings to default, all the non legit applications will stop working including the jailbreak.In other words,you will have to jailbreak your iPhone again after this upgrade.You can follow our guide to jail break iPhone to firmware 3.1.2.

Installation
Now detach your iPhone and connect it again.iTunes will detect it and you will be asked for the latest firmware update.Proceed with the update by clicking the respective button for update.

Let the Process Complete
Wait for the process to complete.You should not use your iPhone during installation and you won’t be able to receive any messages or calls during this time period.

It’s Done….Check The Settings
When the process is completed and iTunes displays a message that it is save to disconnect,unplug your iPhone, you are done with your update. Start your iPhone and head straight to settings in your iPhone and check the firmware version by tapping the About button.It should display the latest version i.e 3.1.2 by now.

If you are facing any problem in updating your iPhone then don’t hesitate to share with us.We shall be more than happy in sorting your problem out.

After you backing up your data,connect your iPhone with Pc and start iTunes.Try using the latest version if iPhone to avoid any troubles.Now you need to restore your iPhone to default settings.You can do this through main menu of iTunes.Click the restore button and your settings shall by restored to default.

Important. Once you restore settings to default,all the non-legit applications will stop working including the jail-break.In other words,you will have to jail-break your iPhone again.Click here to see how to jail break an iPhone.

Installation
Now detach your iPhone and connect it again. iTunes will detect it and you will be asked for the latest firmware update.Proceed with the update by clicking the respective button to updating.Let the Process Complete.

Wait for the process to complete.You should not use your iPhone during installation and you won’t be able to receive any messages or calls during this time period.

It’s Done….Check The Settings.

When the process is completed and your iTunes displays a message that it is save to disconnect,unplug your iPhone and you are done with your update.Start your iPhone and head straight to settings in your iPhone and check the firmware version by tapping the About button.It should display the latest version i.e 3.1.2 by now.

If you are facing any problem in updating your iPhone then don’t hesitate to share with us.We shall be more than happy in sorting your problem out, Restore Your Settings To Default.

After you backing up your data,connect your iPhone with Pc and start iTunes.Try using the latest version if iPhone to avoid any troubles.Now you need to restore your iPhone to default settings.You can do this through main menu of iTunes.Click the restore button and your settings shall by restored to default.

Important.
Once you restore settings to default,all the non-legit applications will stop working including the jail-break. In other words,you will have to jail-break your iPhone again.Click here to see how to jail break an iPhone.

Installation
Now detach your iPhone and connect it again.iTunes will detect it and you will be asked for the latest firmware update.Proceed with the update by clicking the respective button to updating.

Let the Process Complete.

Wait for the process to complete.You should not use your iPhone during installation and you won’t be able to receive any messages or calls during this time period.

It’s Done….Check The Settings.

When the process is completed and your iTunes displays a message that it is save to disconnect,unplug your iPhone and you are done with your update.Start your iPhone and head straight to settings in your iPhone and check the firmware version by tapping the About button.It should display the latest version i.e 3.1.2 by now.

If you are facing any problem in updating your iPhone then don’t hesitate to share with us.We shall be more than happy in sorting your problem out.