How does oppo phone compress recording files?

Operation method of OPPO mobile phone to compress files: enter file management, press and hold any file, and select one or more files to be compressed.

Files or folders of. Click the More button in the lower right corner, slide the bottom menu to the left, and then click Compress. Eject compressed file pair

Dialog box, change the file name and save location (or leave the default values unchanged), and then click OK. After compression is completed, according to just

To set the storage location, find the compressed package, or you can find it in View-Compressed Package.

Method for upgrading mobile phone

There are two ways to update the new version:

1. Online upgrade: You can check whether there is a new version pushed through "Mobile Desktop-System Update". If a new version is detected, you can click Download and Install. During the installation process, the mobile phone will be automatically turned off to ensure that the power of the mobile phone is above 40%, otherwise it will prompt that it cannot be operated.

2. Brush your teeth manually:

(1) backup data (contacts, text messages, etc. ) You can back up through "Mobile Desktop-Cloud Service" or operate through "Tools-Backup Recovery";

② Download the firmware package of the mobile phone in the "firmware download area" and store it in the root directory of the mobile phone;

③ Double clearing after backup: after shutdown, press and hold the power button+volume down button for about 10 seconds to enter the OPPO recovery mode, and select Chinese Simplified-Clear data and cache;

④ Select to install the upgrade package, and click the saved firmware package to confirm the upgrade.