720th of the month，ColorOS releases an announcement，ColorOS team is pushing memory extension updates in batches for old models，Old models can expand up to 7GB of memory，12GB memory mobile phones can achieve the effect of equivalent 19GB memory mobile phones。

As shown in the list，OPPO Find X2 Series、OPPO Reno4 series、The OPPO Reno3 series, as well as the OPPO A series and K series, can support memory expansion technology，Among them, the OPPO Find X2 series has been fully pushed，OPPO Reno4 series is being pushed in batches。

According to official information，Memory Expansion Technology is an Accessibility Feature，During the use of the mobile phone，When there is insufficient running memory, you can call part of the storage space to temporarily use it as running memory.，Allow your phone to enable more applications at the same time and ensure smooth operation of your phone，Make the mobile phone configuration work the best，Highest efficiency operation。

Users can turn on "About Mobile" in their mobile settings，Click to run memory and enter memory extension，Select the expansion size as needed，Restart your phone after selecting it。