Need to Save Bandwidth on Your iPhone- Try Low Data Mode
Even as we get 5G cellular connectivity and high-speed Wi-Fi networks, there are plenty of times when you might want to reduce your data usage. Perhaps you’re trying to avoid running over a data cap while traveling, or maybe you’re sharing a Wi-Fi network with a very slow Internet connection. Either way, you can prevent your iPhone from using more data than necessary by enabling Low Data Mode. For cellular, find the switch in Settings > Cellular > Cellular Data Options. For Wi-Fi, in Settings Wi-Fi, tap the i button...