When playing on a Guest account, stats and progression are stored locally on your device. Therefore, stats and progression cannot be recovered if you change devices.
We recommend players create and Activision/Call of Duty account and log in to the account when playing Call of Duty: Mobile. When you play while logged in to an Activision/Call of Duty account, stats and progression are stored on the account and can be accessed on any device as long as you log in to the account when playing.
Activision/Call of Duty accounts
If you need help investigating unauthorized activity on your Activision/Call of Duty account, please submit a support request at https://support.activision.com/account-recovery.
Please note: We can only assist with Activision/Call of Duty accounts that are linked to Call of Duty: Mobile.
If you think your Facebook account has been hacked or taken over, please visit the Facebook Help Center to secure your account: https://www.facebook.com/hacked
If you think your Apple ID has been compromised, please visit Apple Support for steps to regain control of your account: https://support.apple.com/en-us/HT204145
If you think your Google Account has been compromised or you no longer have access to the email you use to sign in, please visit Google Support for steps to reset your password or recover your account: https://support.google.com/adsense/answer/126191?hl=en
If your LINE account was hacked, please visit the LINE Safety Center for assistance: https://linecorp.com/en/safety/account