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Your key share is stored locally on your device. If the device is lost, stolen, or reset, you lose the ability to sign transactions — so back up your key share immediately after creating your wallet.

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Backup options

The Cobo Agentic Wallet app offers two backup methods:
Cobo recommends completing both. Cloud backup is convenient but depends on your cloud account security. Local backup is fully under your control but requires you to manage the file.
From the main wallet screen, tap the Backup notification, or go to Account > Wallet Management > Backup Key Shares. Then select Cloud Backup or Local Backup.
During backup, you will be asked to set a recovery passphrase. You must enter this password whenever you restore your key share. If you forget the password or lose the backup file, your key share is permanently unrecoverable.
For cloud backup, grant the app permission to access your Google Drive or iCloud. For local backup, save the exported file to a secure offline location such as a USB drive or encrypted disk. Your key share is encrypted on your device before it leaves — Cobo never sees your unencrypted key share.

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Restore from backup

If you lose your phone or uninstall the app, you lose access to your key share. To get it back, install the Cobo Agentic Wallet app on your new device, sign in to your account, and import your key share from cloud or local backup.