Hi, in my house i have a network consisting of my PC, a laptop, and two xboxes, plugged into a netgear cable modem.
Another simple way to ensure that your Apps update without a glitch is to turn on the Airplane Mode.
A Wi-Fi network is preferred over Cellular data plan because the updates can be downloaded and installed quickly over Wi-Fi.
In case a Wi-Fi network is not available, you can turn on the “Cellular Data” in “Settings” on your i Phone.
Keep iron for fifteen to twenty seconds and then turn it back off.
wait for your phone regain Cellular data or Wi-Fi connection. If the i Phone Apps are still not updating, DO NOT panic. This method is another tip you can try when your i Phone apps won't update.