Rooting android in general and Rooting Oppo specifically, if unsuccessful, can result in various errors such as inability to install applications, failure to recognize Google accounts, and inability to install Google Play...
GUIDE TO INSTALL GOOGLE PLAY ON OPPO MOST ACCURATELY
Google Play is the application, the 'bridge' that helps users access millions of different Android apps worldwide. To fix and resolve CH Play installation issues on OPPO, first, download CH Play in standard .apk format to your device.
- Download CH Play:
1. Activate Unknown Sources
Users need to activate Unknown Sources by accessing the Setting -> Security section and checking the Unknown Sources option.
How to Install Google Play on OPPO
2. Log in to Google Account
For Google Play, users need a Google account to synchronize and rate applications. Go to Settings, select Accounts and Sync, and log in or choose an existing account to use.
3. Utilize Google Play on OPPO
For Google Play on OPPO, users need to confirm their agreement with certain terms and services on their first use. Press Accept to agree. Google Play currently offers millions of different applications for users to choose from, such as games, books, stories...
https://Mytour.vn/cai-google-play-tren-oppo-3706n.aspx
Here, Mytour.vn has guided you on how to install Google Play on OPPO. Additionally, if Oppo runs out of memory due to installing many applications, you can refer to the guide on fixing Oppo RAM overflow to resolve the issue.