How to manually update iphone 4s firmware

Before you start. This guide will show you how to update your iPhone to the latest software version. Updates give you access to new improvements and fixes bugs on your phone. It is recommended to back up your phone before you start this guide. 2.  · Once you have your file downloaded, open iTunes and plug your iPhone/iPad in. On your main info screen, you will see 2 options, Check for update (which will download from Apple without a download manager, and break) or Restore. If you are on a PC, you need to hold the SHIFT button in, and click on the “Check For Update button”. Step 3. Lastly, push the 'Software Update' tab and then the device will automatically check for the latest firmware update available for your iOS device. 2. Update iPhone via iTunes. When you think about how to update iPhone 4/4s to iOS 9 safely, then the first thing that comes in your mind would be iTunes.

Before you start. This guide will show you how to update your iPhone to the latest software version. Updates give you access to new improvements and fixes bugs on your phone. It is recommended to back up your phone before you start this guide. 2. Apple iPhone 4S Firmware iOS Update To update your iPhone you will need to download the latest firmware file (IPSW). iOS is an important security update that fixes a spyware flaw. Go to Settings General, then tap Software Update. If you see two software update options available, choose the one that you want to install. Tap Install Now. If you see Download and Install instead, tap it to download the update, enter your passcode, then tap Install Now. If you don't know your passcode, learn what to do.

Update software - Apple iPhone 4S · Before you start · Select Settings · Select General · Select Software Update · If your iPhone is up to date, you will see the. ios 9 software update. 3. If you get a pop-up message, confirm your Apple ID and credentials to install iOS 9 on. Verizon wireless is pleased to announce a software update for your Apple® iPhone® 4s. This software update has been tested to optimize device performance.