How to set Korean input method for oppo mobile phone

How to add input methods in other languages? In the input method keyboard that comes with the mobile phone, click the toolbox icon, select more languages > install other languages, such as Russian, then return to the input method keyboard and click the language switch button to switch the language to Russian. Tips: Other third-party input methods can be installed in the "Software Store" APP, or you can find the installation package of other language input methods through other channels and install it. This answer applies to all OPPO models.