During the iPhone upgrade or restore, there are some errors which can stand on your way. Just in the middle of the task, the error may show up, which means you will have to abort the process, and start solving the problem. Once the issue is gone, you will be able to continue to update or restore. If you just found yourself in a situation where error 4 showed up, there are some options you may want to try out. As you know, if nothing else helps, you can call Apple. Before you do so, check out these 5 ways to fix iPhone error 4, and maybe you will solve with ease. You will need several minutes for each solution. Hopefully, it will pay off.
See also: 5 Ways To Fix IPhone Error 3259
5 ways to fix iPhone error 4
Solution No.1: Set the time zone and date.
If the time zone, date, and time are not set properly on your computer, you won’t be able to finish the upgrade or restore via iTunes. With a bit of luck, this will be everything you need.
Solution No: .2: Update iTunes.
If the iTunes software is not up to date, all kinds of errors may show up, not just error 4. Open the program, and Check for updates.
Solution No.3: Restart your computer and your iPhone.
Usually, when people see the error, they forget about the simplest solutions, which are often very effective. Restart your computer, and your iPhone, and once you are done, try to upgrade or restore your device.
Solution No.4: Reinstall iTunes.
This may help as well. Remove iTunes from your computer, download and install the latest software version. Try to restore or upgrade your iPhone.
Solution No.5: Check the firewall.
If the firewall is blocking the files, then it is no wonder why you cannot finish the task successfully. Especially important ports for you are 80 and 443.
As promised, all 5 ways to fix iPhone error 4, and we hope they were useful for you like for many other iPhone users.