HS code compliance training modules

List of contents of this article:

• 1, How to upgrade the system version of Android phones
• 2、oppo mobile phone black screen display online update
• 4,HS code compliance training modules Huawei mobile phone system update operation steps

Open the Kies software. If there is a new version of the mobile phone system/firmware, the Kies software will have a firmware upgrade prompt. Click to upgrade.If your mobile phone or tablet is using the Android 3 or above operating system, please download and install the Kies3 version.

First, click the setting icon on the OPPOR9S mobile phone desktop to enter. Click "System Update" after entering. After entering the system update, the system will automatically query the latest Android version, and if there is a new version, it will automatically download and upgrade.

Upgrade the Android system by flashing. For Android phone users, what they are passionate about is flashing. Flashing is a very effective way to upgrade the Android system at time. There are also many ROM systems of Android phones on the Internet, and the update is very fast. You can choose to use the latest Android system kernel to Flash the device, so as to upgrade the Android system.

What should I do if the oppo mobile phone shows online updates?

Restart the mobile phone: Press and hold the power button of the mobile phone and select restart to see if it can return to normal. Force restart the mobile phone: For some OPPO mobile phone models, you can hold down the power button and the volume down button for a few seconds until the phone vibrates and restarts.

Open other settings in the mobile phone settings, click the system update in the application management, and clean up the data and cache garbage. Reconnect to the network and update the system.

If the mobile phone has a new system version push, it is recommended that you download the updated system in the Wi-Fi environment. Please do not touch the power button and perform any operation during the upgrade process, and wait patiently for the update to complete.

First, press and hold the switch button for 5-10 seconds, then forcefully shut down and restart it. If it doesn't work, go to the after-sales service center to fully test the hardware.

The online upgrade method of the mobile phone system is as follows: Please enter the mobile phone "Set Software Update (or System Update)" first to see if there is a new version push.

oppo mobile phone black screen shows online update

1. The reason why the black screen shows online update may be that there is a problem with the oppo mobile phone during the system update. System updates are carried out for the purpose of fixing software vulnerabilities, optimizing system performance, and providing new functions.

2. System upgrade, software upgrade, 2. If it is still the same, clean up the mobile phone system garbage and kill viruses. 3. If it is still the mobile phone factory settings. 4. If it's still the same, flash it again. 5. If it is still, most of them are mainboard problems.

3. Open other settings in the mobile phone settings, click the system update in application management, and clean up the data and cache garbage. Reconnect to the network and update the system.

Huawei mobile phone system update operation steps

After unlocking the mobile phone, find the setting icon on the desktop and open it. On the open settings page, slide up the screen. Find the system and update options at the bottom of the page and open them. As shown in the figure, on the open system and update page, click the software update option.

The details are as follows: First, open the mobile phone interface, and you can see a small red dot in the upper right corner of the desktop settings icon, which means that the mobile phone system needs to be updated at this time. Then click the setting icon and enter the settings. You can see that a small red dot also appears in the system column. As shown in the figure below, click to enter.

Hello, the mobile phone update system adopts OTA update, that is, incremental updateNew, the factory settings will not be restored, but in the process of Android cross-version upgrade, the data of the mobile phone may be cleared due to system compatibility problems, but this rarely happens. In order to prevent accidents, it is still recommended that you back up important data such as contacts and text messages before upgrading.

Operation Steps: Connect to Huawei Mobile Assistant and click "System Update". Upgrade after detecting the version, wait for the upgrade process to complete, and the mobile phone will automatically restart to upgrade.