Let’s discuss them one by one.

Update iphone 4 without itunes. Click the start button to go on. @shaw the link on my answer shows how, after having ios 5, install ios update without itunes. On a mac, press and hold the option key and click the update button;

Step 1.download the ios ipsw file [ links below ] that relates to your specific ios device. Over the air update is the wireless distribution of updated software or materials to. If not, do it manually.

This will grant your computer to manage your ios content. Go to settings > general, then tap software update. You can't update your iphone without a computer.

Update your iphone, ipad, or ipod touch. Choose your iphone model and download the ios firmware you need for your device. Download iphone software update without itunes select the model of your iphone.

Pick the ios version downloaded. Open the settings app and navigate to general > reset. Connect your iphone to you mac computer via usb cable and launch finder.

Here are the steps to install ios 15/14/13/12 over the air. Turn off itunes automatic sync and find my iphone features. If required, tap the trust button on your iphone.