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- Open the phone settings and choose "Biometrics and security" → "Other security settings" → "Credential storage";
4. If there are old certificates, delete them with the "Clear credentials" button;
5. To load new certificates, click the "Install from device storage" button;
6. The root and user certificates are installed by clicking the "WI-FI certificate" button.
7. Select the location of the extracted archive;
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