It terminates all running apps without allowing them to “clean up” any process in progress, so it can cause data loss in apps that are running (just like it can on a computer). But it won't cause any damage to hardware or iOS. The better way to restart (unless the phone is frozen) is to shut down, then start.
Restoring an iPhone does not damage it or wear it out no matter how many times you do it, unless it was jailbroken. You're welcome, and Welcome to Apple Support Communities. Restoring an iPhone does not damage it or wear it out no matter how many times you do it, unless it was jailbroken.
It will not remove the device's operating system (iOS, Android, Windows Phone) but will go back to its original set of apps and settings. Also, resetting it doesn't harm your phone, even if you end up doing it multiple times.
You should not factory reset your phone too frequently as it affects on memory. You are erasing memory again and again which will harm the hardware.
There is no limit on how many times you can "reset" your phone.
A factory reset is not harmful for an iPhone and sometimes will resolve problems. It is fine to reset a phone if something isn't working or you want to give it to someone else.
If that is the case, it really would not harm the device, as all you are doing is erasing data and putting the iOS back on it. So, for whatever reason you don't want to explain, the only thing that someone could say is bad is the time it takes to go through all of this and setting it up again.
No factory reset does not damage your phone, but you should only do it as a last resort.
Reset your iPhone
A general reset will likely result in improved performance — just make sure that you back up important files first. Go to Settings > General > Transfer or reset iPhone > Reset. A more drastic approach is to go for the full factory reset via Settings > General > *Reset > Erase all content and settings.
Answer. You shouldn't have to regularly factory reset your phone. A factory reset will erase all the added data from your phone, and it can be a hassle to have to set your phone up again the way you like it. Over time, data and cache can build up in your phone, making a reset necessary.
You'll be happy to know that a factory reset doesn't damage your phone. The magic happens when you tap reset or tap erase. If your device was too slow or kept freezing, a factory reset could resolve the problem. Also, you wouldn't want to sell or give the phone to anyone without removing personal information.
Technically, there is no limit on how many times you can factory reset your phone. Any limit that is present is tied to the hardware and software configuration of your phone. All modern phones typically have an option that allows you to factory reset your device.
Make sure you have backed up important information. Move through the iPhone setup process until you see the reset screen. Then choose "Restore from iCloud Backup" on Your phone. Enter the Apple ID and password for the account you want to restore the backup from.
On the tenth failed attempt, the iPhone will become permanently disabled. Some people set their iPhones to erase after ten attempts, which is a helpful feature in the event of theft, but it's not a great idea if you don't regularly back up your phone.
Intermittently, you may need to do a factory reset of your iPhone in case it is glitching or experiencing technical errors. Doing so may help with troubleshooting some issues. A factory reset is also necessary if you plan to sell your iPhone and want to wipe all personal data from the device.
Required Time
Typically, resetting your iPhone doesn't take very long at all. Once the reset command has been entered, the phone will reboot with all data removed. Restart usually takes a few minutes, not counting the time required to reconfigure your iPhone's settings.
If iPhone isn't responding, and you can't turn it off then on, try forcing it to restart. Press and quickly release the volume up button. Press and quickly release the volume down button. Press and hold the side button.
There is no reason to (or guidance for) restarting a phone unless you experience a problem. Restarting does not "keep it healthy." It is only ever necessary to restart the device if you are experiencing a problem and need to troubleshoot. Otherwise, it's pointless, and unnecessary to regularly reboot any iOS device.
Resetting a device is about more than just getting a fresh start though: It can fix persistent bugs, get rid of unwanted apps and dangerous malware, and free up storage space on your device.
Go to Settings > General > Transfer or Reset iPhone. Do one of the following: Prepare your content and settings to transfer to a new iPhone: Tap Get Started, then follow the onscreen instructions. When you finish, return to Settings > General > Transfer or Reset iPhone, then tap Erase All Content and Settings.
When you Erase All Content and Settings, it completely resets your device. All information including apps, photos, videos, contacts, messages, calendar, or music etc. are lost. In order to restore your iPhone after factory reset, first take the backup of data in iCloud or iTunes.
You can restore content, settings, and apps from a backup to a new or newly erased iPhone.
When you tap Erase All Content and Settings, it completely erases your device, including any credit or debit cards you added for Apple Pay and any photos, contacts, music, or apps. It will also turn off iCloud, iMessage, FaceTime, Game Center, and other services.
Factory reset or hard reset deletes complete data and settings from your iPhone. All your photos, videos, contacts, call logs, passwords, messages, browsing history, calendar, chat history, notes, installed apps, etc., get deleted from the iOS device. It cleans your iPhone as new with no personal information at all.