Fail to reset your second-hand iPhone because you don't have the Apple ID password which is set by its older owner? You can try the 2 ways here to easily factory reset your iPhone without Apple ID password now.

2. 1. Factory Reset an iPhone via a Third-Party Tool
When you don't know the Apple ID password(second-hand
iPhone), lose both the screen time passcode and Apple ID
password or your iPhone's Find My iPhone function is turned
on, this way can help you reset your iPhone easily and safely.
• Step 1: Download and install iSunshare iPhone Passcode Genius, a
powerful iPhone passcode unlocker on your Windows computer. You
also need to install iTunes on your PC, if there is not.

3. • Step 2: Open the tool
and click Unlock Lock
Screen > Start.

4. • Step 3: Connect your
iPhone to the
Windows PC.

5. • Step 4: Download the
Firmware file and then the
software will verify it.

6. • Step 5: Hit Start to unlock
your iPhone.
• Note: This operation will
factory reset your iPhone
and you will lose all the
settings and content on
your iPhone.

7. 2. Factory Reset an iPhone with iTunes
If Find My iPhone is disabled on your iPhone, you can use
iTunes to reset your iPhone without the Apple ID password.
And please mind that you may need to repeat the following
Step2&3 several times if iTunes takes more than 15 minutes to
download software for your device and your iPhone exit the
Recovery Mode.

8. • Step 1: Run iTunes on your PC.
• Step 2: Make your iPhone enter
the Recovery Mode and then
connect it to the PC.
• Step 3: Locate to your iPhone in
iTunes and then click Restore in
the pop-out prompt to reset your
iPhone.
• Note: Restoring your iPhone will
wipe the data in it.

9. •iSunshare iPhone Passcode Genius:
https://www.isunshare.com/iphone-passcode-genius/
•More Details:
https://www.isunshare.com/iphone-ipad/simple-2-ways-to-
factory-reset-an-iphone-without-apple-id-password.html