9 settings every new iPhone owner should change. Whether you're a newcomer to iOS or just upgrading to a newer model, consider tweaking these settings to improve performance and battery life.
Does the iPhone 4S support 4G / LTE? | The iPhone FAQ The new iPhone supports HSPA+ at 14.4Mbps, a speed boost of data connection speeds that will be available only to owners using the iPhone on the AT&T network. The iPhone 4S does not support LTE. Most likely, Apple plans to release an LTE version of the iPhone as the iPhone 5, once LTE networks offer more coverage throughout the country and also 3 Ways to Activate Internet Tethering on the iPhone - wikiHow May 07, 2020
AT&T APN settings for Apple iPhone 4s - APN Settings USA
How To Use iPhone 4S as Wi-Fi Hotspot - Tech Walls Jul 26, 2013 How to Fix iPhone 4s Wifi Issues or Grayed Out or Dim
DSTCom 4G APN Settings Brunei - 4G 5G APN Settings
How to mirror iPhone 4S with AirPlay, Apple TV - CNET