Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

Thứ hai, 22 Tháng bảy 2013, 08:47 GMT+7

Hau nhu cac he dieu hanh di dong hien nay deu cung cap nhung tinh nang bao ve smartphone cho nguoi dung ngay tu man hinh khoa. Ban co the thiet lap mat khau bang so hoac dang chuoi hinh ve dich dac de mo khoa thiet bi. Dieu nay giup phan nao tranh duoc nhung rui ro khi mot nguoi nao do su dung dien thoai cua minh vao muc dich xau.

Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

Tuy nhien, truong hop chinh ban cung khong nho minh da thiet lap mo hinh khoa dang chuoi nhu the nao la khong he hiem gap. Sau khi thu di thu lai rat nhieu lan, ban tuong chung da het cach va dang nghi toi chuyen se phai cai lai rom.

Trong tinh huong nhu vay, mot phan mem duoc tao ra boi mot nhom thanh vien cua dien dan XDA se la cuu canh danh cho ban. Phuong phap nay se de dang giup nguoi dung lay lai quyen truy cap vao thiet bi dang bi khoa boi mat khau dang mo hinh.

Diem dac biet la cach lam nay co the hoat dong tot tren moi thiet bi chay he dieu hanh Android, du da root hay chua. Ve co ban, phuong phap cua XDA se su dung Android Debug Bridge hoac ADB (mot cong cu di kem voi Android SDK cho phep ban thao tac voi may minh qua dong lenh. Ban co the tham nhap va can thiep vao file he thong cua dien thoai/may tinh bang Android qua may tinh ma khong can phai root may).

Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

Sau day chung toi se huong dan cac ban lay lai quyen truy cap thiet bi neu khong the mo khoa mat khau mo hinh dang chuoi.

Mot so diem can luu y cua phuong phap nay: Yeu cau:

- Truoc khi tien hanh mo khoa, dieu kien ly tuong nhat la thiet bi Android da duoc kich hoat USB Debugging, tot nhat la da duoc root. Neu nhu may chua duoc root, thiet bi phai su dung nhan kernel cho phep dat lenh adb shell.
De phong tranh tinh huong xau xay ra, tu bay gio ban hay kich hoat ngay USB Debugging tren thiet bi cua minh.

- Hay chac chan rang pin dien thoai/may tinh bang cua ban phai con tren 75% hoac nhieu hon de tranh sap nguon trong qua trinh xu ly.

- Sao luu lai tat ca du lieu ca nhan tren dien thoai cua ban de tranh that lac du lieu (vi du, danh ba, tin nhan SMS, MMS, Internet Settings, mat khau Wi-Fi…).

Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

Bat dau tien hanh xu ly su co:

1. Ket noi thiet bi Android va may tinh bang cap USB.

2. Mo cua so nhap lenh tren may tinh (doi voi he dieu hanh Windows la ung dung thong dich dong lenh Command Prompt).

3. Ban bat dau tien hanh nhap cac dong lenh duoi day vao cua so vua mo.

Luu y: Nhan Enter sau moi dong:

adb shell
cd /data/data/com.android.providers.settings/databases
sqlite3 settings.db
update system set value=0 where name=\'lock_pattern_autolock\';
update system set value=0 where name=\'lockscreen.lockedoutpermanently\';
.quit
exit
adb reboot

Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

4. Sau khi thiet bi khoi dong lai, ban tiep tuc nhap cac dong lenh sau:

adb shell
rm /data/system/gesture.key
exit
adb reboot

5. Thiet bi cua ban se khoi dong lai mot lan nua. Sau khi khoi dong xong, no se yeu cau ban nhap mot mo hinh mat khau dang chuoi, luc nay ban co the tuy y nhap bat cu mo hinh nao minh muon va thiet bi se duoc mo khoa hoan toan.

6. Sau khi lay lai quyen truy cap vao thiet bi, neu la nguoi hay quen, tot nhat ban co the thiet lap mot mot mat khau dang chuoi hay dang so moi va ghi nho no vao mot cuon so chang han.

Tim hieu cach pha khoa mat khau dang chuoi tren thiet bi Android

Neu ban ap dung dung cac buoc thuc hien nhu tren thi ty le thanh cong la rat cao trong khi cac rui ro ma thiet bi gap phai la cuc nho. Day se la mot thu thuat ma ban co the luu tam de su dung khi cap bach.

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