I forgot my model's lock number/passcode, and I can't unlock the screen.

Please check the handling method according to the model you are using.

＜How to check
it＞ ◆Customers using iPhones
have forgotten their passcode, or the message “iPhone cannot be used” is displayed and the passcode is displayed If you can't remember it anymore, you need to use your computer to put your iPhone in recovery mode. This removes all of your data and settings, including your passcode, and you can set up your iPhone again.
After you erase your iPhone, you can restore your data and settings from a backup. If you haven't backed up your iPhone, you can set it up as a new device, and then download it if you have data stored in iCloud.

・If you have a Mac or a Windows computer with iTunes installed
, please check the procedure for deleting the passcode and restoring the data from the link below.
▼ Apple support page If you forgot your iPhone passcode ( https://support.apple.com/ja-jp/HT204306)

・Mac or iTunes is installed If you don't have a Windows computer,
you won't be able to remove the passcode yourself.
Please use the link below to check the Apple Store directly managed store or Apple Authorized Service Provider and consult with us.
▼ Search Apple homepage location ( https://locate.apple.com/jp/ja/

Customers using Android smartphones can
set a new lock number by resetting the smartphone after initializing it.
All data stored on your phone, including apps, photos, and music, will be erased.

＜Method 1＞

There are several conditions for erasing smartphone data from another device. Please check
the link below for details.
▼ Perform Android device data erasure ( (https://support.google.com/android/answer/6160491)
* Google ID and password set by yourself An input is required.

＜Method 2＞
・Use the button on your smartphone to reset to the factory settings. You can
use the power and volume buttons to clear data on a locked phone. Please refer
to the support site of each manufacturer for reset instructions.