Downloading iOS 16 usually requires a Wi-Fi connection, but you can bypass this restriction and update using your cellular data (4G, LTE, or 5G) by adjusting a few specific settings or using a clever date-modification trick.
If you have a 5G-enabled iPhone and a 5G data plan, Apple allows high-bandwidth activities like software updates over your mobile network. Go to > Cellular > Cellular Data Options . Tap on Data Mode . Select Allow More Data on 5G . how to download ios 16 using cellular data
If you aren't on a 5G network, you can often "trick" your iPhone into allowing the download by manually advancing the system date. Open > General > Date & Time . Toggle off Set Automatically . Manually change the date to approximately one month ahead . Downloading iOS 16 usually requires a Wi-Fi connection,
Navigate back to > Software Update . The "Download and Install" button should now be active. Tap on Data Mode
Connect your iPhone to this hotspot as if it were a standard Wi-Fi network. Go to and proceed with the download. Essential Requirements Before You Begin