Causes:
1. Phone running memory and storage space is insufficient.
2. Slow phone response due to phone heat.
3. Slow response due to low battery.
4. Third-party apps cause lag.
5. Slow mobile network speed causes lag.
6. Insufficient memory on the memory card or the memory card is faulty.
7. Phone system lag after the upgrade.
Solutions:
1. If your device's running memory or storage space is insufficient, the app may freeze while being used. Open Phone Manager, and clean it. Then restart your device and try again. Restarting will halt all apps being run and reduce the occurrence of freezing.
2. The overheating protection function on the device can reduce system performance. It is recommended that you disable power-intensive apps and features.
3. If you turn on the power saving mode when the phone is low, the device will reduce the performance to save power, we recommend that you turn off the power saving mode and keep the power sufficient (20% or more).
4. Uninstall any third-party Phone Manager app installed on your phone, as they may come into conflict with the pre-installed Phone Manager app and cause lagging.
5. Make sure the network is good and steady when using the phone.
When using applications that require a network connection, a slow network speed or poor cell phone signal can cause your phone to be slow to respond. Please change the cell phone network or adjust the location to ensure a good cell phone signal.
6. Check the memory card.
6.1 Excessive files in the memory card may slow down read and write speeds. You can clear unnecessary files in the memory card or back up important data and format the memory card. Also if the default storage location of your device is the memory card, please set the default location to internal storage and try again.
6.2 The memory card may be faulty. If the device has prompted you that the memory card is faulty, replace the memory card at your earliest convenience.
7. The system optimizes apps after the device has just been updated. At this time, the system will occupy more CPU, memory, and other resources. your device may be overloaded and subsequently, start to lag. This is a normal phenomenon, please use it with confidence.
8. Upgrade the system version.
It is recommended that you update your phone system in time and upgrade the app to the latest version. The new version will optimize the system's performance.
9. Restart the phone. Please restart the phone and try again.
If the issue still persists in the device, please visit the nearest realme Service Center for support.
Related articles:
How to update phone system version?
Phone hangs when unlocking the screen
Phone hangs when using built-in apps
