When during the update, you get one of the iPhone errors, it looks worse than it actually is. These errors are showing up for all kinds of reasons, but usually, with some simple things, you can solve the problem occurred. That is the case with error 1638. Here, you can find 5 ways to fix iPhone error 1638. The solutions provided will most likely solve the problem. Once you are done, hopefully, you will be able to update or restore your device without any obstacles on the way.
See also: 5 Ways To Fix IPhone Error 14
5 ways to fix iPhone error 1638
Solution No.1: Restart your iPhone.
Sometimes, communication between your computer and your mobile device cannot be established, which is why you should try the restart. Press and hold the sleep/wake button. Red slider will show up – drag it in order to turn off your phone. Press same button again, and repeat the action, to turn iPhone on.
Solution No.2: Restart your computer.
In many situations, computer restart successfully solving many glitches, hopefully, it will resolve this error as well.
Solution No.3: Update the modem drivers.
If your modem drivers are not up to date, issues are more than possible. Find the model and the number of your modem, and by using your browser, find the suitable drivers. If that does not help, restart the modem and router as well.
Solution No.4: Update security software.
Your security software should be up to date. Once you download and install the update, try to upgrade or restore your device. If you still see the error 1638, turn off the software. If that does not help, uninstall the security software from your device completely.
Solution No.5: Update iTunes.
It is extremely important to have the latest version of iTunes software. Open the software, and find Check for Updates option.
We hope these 5 ways to fix iPhone error 1638 did help you out, and solve the issue. If not, wait an hour or two and try again. If nothing is changed, visit Apple, and ask for further assistance.