Trong tr??ng h?p b? h?n ch? truy c?p, b?n nên xem xét ??n vi?c ki?m tra ph?n m?m b?o v? và ph?n cài ??t b?o m?t c?a trình duy?t. Có kh? n?ng do c? ch? b?o v? c?a ?i?n tho?i nên ng??i ch?i s? b? h?n ch? truy c?p.The hardest faults to locate are those who come about only From time to time—intermittent functions. They are often brought on by