To clean your iPhone, unplug all cables and turn it off. Use a soft, slightly damp, lint-free cloth. Avoid getting moisture in openings. Don't use window cleaners, household cleaners, compressed air, aerosol sprays, solvents, ammonia, abrasives, or cleaners containing hydrogen peroxide to clean your iPhone.
To change cellular network settings, from the home screen, tap Settings. Tap Cellular. To turn cellular data on or off, tap the Cellular Data switch. To turn data roaming on or off, tap the Data Roaming switch.
Resetting your iPhone basically erases all of your personal information from the phone. The factory settings will, however, be retained. It's a straightforward and no iPhone reset code is required.
Question: Q: Cant erase all content and settingsIt sounds to me like this is the section that you're getting stuck on: Go to Settings > General > Reset, then tap Erase All Content and Settings. This will completely erase your device and turn off iCloud, iMessage, FaceTime, Game Center, and other services.
Erasing the old device will not affect the new one. That is necessary for you to be able to wipe the device.
Erase All Content and Settings will help you to erase all the content of your iPhone and resolve the software issue that you might be facing on your iPhone. When you reset all settings though that doesn't work then you need to use this option which will completely delete all the content of your iPhone.
Remove the SIM card.The SIM card -- which gives your phone its number and identity on the network -- can also store data like contacts and call logs. The buyer has no need for your SIM card, so you should keep this as well. You'll typically need a pin-like tool to pop the SIM card out of its storage slot.
Remove Your SIM CardEvery SIM card has a unique number called an ICCID that is specific to you and your wireless account. That's why it's best practice to remove and dispose of your old SIM card before selling it. The new user can attain a new one from their carrier in-store or online.
9 Things You Must Do Before You Sell, or Trade-in Your iPhone
- Unpair Apple Watch.
- Back up your iPhone.
- Sign out of iCloud and the iTunes & App Store.
- Turn off Find My iPhone.
- Deregister iMessage on your iPhone.
- Erase all your iPhone's Data and Settings.
- Remove iPhone From Your Apple ID Account.
- Remove SIM.
On your iPhone, iPad, or iPod touch
- Go to Settings.
- Tap your name.
- Tap Family Sharing, then tap Add Member.
- Tap Create an Account for a Child, then tap Continue.
- Follow the onscreen instructions to finish setting up the account. You can use the child's email address for their Apple ID.
Perform a hard reset on your phone by holding down the sleep/wake button and the Home button at the same time. Hold the buttons until the “Connect to iTunes” screen appears. On your computer, choose “Restore” from the iTunes screen. This will delete all data from your phone.
Back up iPhone
- Go to Settings > [your name] > iCloud > iCloud Backup.
- Turn on iCloud Backup. iCloud automatically backs up your iPhone daily when iPhone is connected to power, locked, and on Wi-Fi.
- To perform a manual backup, tap Back Up Now.
As Long As You Backup Your Information, It Should Be Safe To Remove The Simcard BEFORE Doing A Factory Reset. If someone removes their simcard from a device, they will lose all data stored on the handset (e.g., contacts), and if they do not back up the data, it may be lost forever.
Removing a sim card from your iPhone doesn't erase memory or saved data from your iPhone. There's absolutely no problem in removing a sim card from an iPhone, and if you want to use another sim card on the iPhone, you'll have to make sure that it is a compatible one.
You can give your old mobile phone to someone else, like a friend or family member, when upgrading to a newer handset. In the vast majority of cases, you'll own your mobile phone providing you bought it on a Pay Monthly contract, on Pay As You Go or on a SIM-free basis.
How to remove a previous owner's Apple ID from a used iPhone, iPad, or iPod touch
- Sign in to iCloud.com.
- Go to Find My iPhone.
- Select “All Devices” to open a list of devices linked to their account, and select the device to be removed.
- Click “Remove from Account”
Log into the Find My iPhone site via iCloud. Enter your Apple ID and password – you do not need your iPhone passcode, but you will need access to your Apple account. Select your iPhone from the drop-down list of devices. Click “Erase iPhone” and then confirm your decision.
The Bottom Line. As you can see, there is no direct way to do a factory reset on the iPhone without a computer. If there is no computer available, you can just erase all content from the device.
Go to Settings > General > Reset > Erase all Content and Settings. When your new iPhone restarts you'll go through the setup process again. Only this time, choose Restore from iCloud, Restore from iTunes, or use the Migration Tool.
If there's a specific person who borrows your phone a lot, you can give them their own named account by tapping Add user. Otherwise, just tap Guest to switch to a clean version of Android where no accounts are open. Inside guest mode, users cannot send texts, make calls, or access the usual backup and reset features.
To erase iPhone without passcode using iCloud:
- Go to iCloud.com and enter your Apple ID and password. Or open the Find My [device] app on another Apple device that uses the same Apple ID as the one you use on the locked iPhone.
- Locate and erase the device.
- Wait for the process to finish.
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.
Regardless of whether you use a Blackberry, Android, iPhone or Windows phone, any photos or personal data will be irretrievably lost during a factory reset. You can't get it back unless you have it backed up first.
Erase device: Permanently deletes all data on your phone (but might not delete SD cards). After you erase, Find My Device won't work on the phone. Important: If you find your phone after erasing, you'll likely need your Google Account password to use it again.
How to restore your new iPhone using your existing iPhone
- Turn on your new iPhone and place it near your old iPhone.
- Check the Apple ID that appears in the card is the one you want to use for your new iPhone.
- Press 'Continue'
- When the animation appears, hold your new iPhone over the old iPhone.
- Tap on Finish on New iPhone.
When you tap Erase All Content and Settings, it completely erases your device, including any credit or debit cards that you've added for Apple Pay and any photos, contacts, music or apps. It will also turn off iCloud, iMessage, FaceTime, Game Center and other services.
