Software update
Keep
The system updater on OnePlus and OPPO phones, behind Settings > About device > Software update.
OPPO package
System Upgrade Services
Keep: com.oplus.sau Keep Community evidence
An OPPO upgrade service that works with Software update to deliver system and component updates. Keep it: System Upgrade Services is needed for the phone, its updates or its security.
What it does
System Upgrade Services is part of the update machinery on ColorOS and OxygenOS. Community lists describe it as letting the phone update itself and as running from boot, alongside the Software update app that OnePlus documents for system updates. It runs in the background.
If you disable it
Updates may fail to download or install, and community reports warn that removing it can cause a boot loop.
How to disable it
On most phones Settings greys out Disable for this package, so ADB is the way to turn it off. The commands below work without root and can be undone.
Disable it (reversible)
adb shell pm disable-user --user 0 com.oplus.sauTurn it back on
adb shell pm enable com.oplus.sauThe stronger option removes it for your user only; the original copy stays on the phone and a factory reset brings it back. Prefer disabling: it is easier to undo.
Uninstall for the main user
adb shell pm uninstall -k --user 0 com.oplus.sauRestore after an uninstall
adb shell cmd package install-existing com.oplus.sauNew to ADB? Set it up in about ten minutes.
Data and battery
Exchanges software version information with the maker's update servers.
Where it appears
- Made by OPPO.
- Android versions: 12 to 16.
Questions people ask
What is com.oplus.sau?
com.oplus.sau is System Upgrade Services. An OPPO upgrade service that works with Software update to deliver system and component updates.
Can I disable System Upgrade Services?
Keep it: System Upgrade Services is needed for the phone, its updates or its security. On most phones it takes ADB.
What happens if I disable System Upgrade Services?
Updates may fail to download or install, and community reports warn that removing it can cause a boot loop.
Sources
- OnePlus Open User Manual (OxygenOS): System updatesVendor documentation
- BAYTON system app database: com.oplus.sauCommunity list
- Universal Android Debloater list entryCommunity list
Each source answered when this page was checked on 25 October 2026.
Confidence: Community evidence. Backed by community debloat lists and forum reports, not by the maker. How we decide a verdict.
Cite this page: https://mysystemapp.com/packages/com.oplus.sau/ (verified 25 October 2026). Something wrong or out of date? Request a correction.