The most common issues that could cause this have to do with the Operating System (OS) itself.
Nonetheless, you may be confident that there are avenues to restoring an i Phone once it is in recovery mode.
You will have to download firmware and then attach your phone to your computer.toolkit - Repair is ultimately the best option for your needs. You won’t lose any data like you would using the i Tunes route. You should always ensure that you have the most updated version of i Tunes on your computer. Using i Tunes to restore an i Phone in recovery mode ultimately has its limitations.One example of that is losing data on your device that hadn’t been backed up.