How does Oppor9 unlock the chassis?

1. During the boot process, it is included in the recovery mode. After entering this mode, you can directly clear all the setting data of the mobile phone, and then restart it to restore the appearance of the mobile phone when it leaves the factory. At this time, the mode lock is naturally gone, but this clearing will clear many usage records on the mobile phone, such as WeChat chat records and so on.

2. After the phone is turned off, press and hold the power-on key and the volume reduction key at the same time. After the phone is turned on, you can see a sign in the lower right corner. After entering, you need to select Simplified Chinese, then clear data, and clear application data and programs. There is no need to clear all the data.

3. Select Restart after clearing, and then the phone will restart. After restarting, you can see that the mobile phone does not need a mobile phone pattern password when entering the main interface. Then go to Settings, select Security Settings, and reset the password in it. After setting the password this time, remember it several times to avoid forgetting it next time.

4. If you have an oppo account (you can't register casually, you need to log in to this account on your mobile phone), you can also turn on your computer, log in to the oppo cloud service on your computer, and then enter your own oppo account. Remember here that the oppo account registered with this mobile phone will not be unlocked normally if the login is wrong.

5. After logging in successfully, click "Find Mobile Phone" in the upper left corner, and the system will automatically search your mobile phone. After searching the mobile phone, you can see the current location of the mobile phone, where you can choose to clear the programs and information in the mobile phone, or directly back up the information in the mobile phone.

6. After selecting screen lock, a new dialog box will pop up. Just enter the new password lock in the dialog box, and you can unlock the phone with the new password in a moment. If it doesn't work, please restart your phone and try again.

The phone screen is locked. If you want to open it, please use the following methods:

1. Open the mobile assistant software to ensure that the mobile assistant can be connected to the mobile phone under normal conditions such as the mobile phone driver, as shown in the figure, the mobile phone has been connected to the mobile assistant through USB.

2. Click "Backup and Recovery" in the lower left corner of the mobile assistant interface. In the form that appears, select the backup path, and then check contacts, text messages, and applications. If your mobile phone has root permission, you can check "Back up application data at the same time" and then click the "Start Backup" button to start backing up mobile phone data.

3. After backing up the mobile phone data, turn off the mobile phone. After the phone is turned off, press and hold the power-on key and volume reduction key of the phone at the same time to enter the engineering mode (recovery mode). Different mobile phones enter the engineering mode in the same way, which is different according to different mobile phones.

4. When the mobile phone enters the engineering mode, press the volume key to select one of the options, and select the last two "Erase data". . 。” One, and then press the power key (that is, the ok key) to clear the data of the mobile phone. When finished, perform another "Erase Cache". . 。” In the same way.

5. The mobile phone has successfully cleared the data, that is, the factory settings have been restored. Then select Shutdown to perform the shutdown operation, and then restart. This completes the unlocking operation of the mobile phone, but all data including software in the mobile phone has been deleted. At this point, root the mobile phone, then connect it to the computer, and use the mobile assistant to restore the previous backup to the mobile phone.