The phone is 2 years old, unlocked it a few months ago to play APK apps that required rooting.
Phone started lagging after that a bit, eventually it updated to MIUI 12, when the phone drastically started lagging.
I tried installing ArrowOS custom ROM, hoping that it would fix the issue, assuming that MIUI 12 is too heavy for the phone to handle - nope.
The problems started to occur more often and new issues started appearing.
Current major issues:
* Screen delay when trying to unlock with fingerprint / power button.
* Black screen / unresponsive screen on power button press.
* Notifications don't show up (black screen).
* When someone calls me -> phone vibrates/rings but the screen is black.
* Double tap to wake up -> black screen.
^All of the issues mentioned above that contain the black screen problem, sometimes but rarely the phone is responsive but it's like 2 times out of 20.
Things I have tried:
- Turn off all animations from Developer Options.
- Wipe Data / Dalvik Cache / Phone Cache / Factory Reset / Custom ROM.
- Installed stock ROM for Europe (since I live in EU) for my phone (latest MIUI 13) -> problem still persists.
- Wiped Cache / Dalvik after installing stock ROM (problem persists).
- Multiple factory resets (didn't fix the issue).
- Disable HW overlays -> this seemed to somehow give better performance but it disabled my Fingerprint function and I need this for banking security reasons, etc.
Overall the phone is still fast enough, no other issues, the most common issue is the black screen and the phone having this huge delay where sometimes it would turn on the screen for half a second and then go pure black again.
Most of the times I have to hold the power button for 10 seconds to force reboot it in order to access my phone.
Help is appreciated, thanks in advance people!
Phone started lagging after that a bit, eventually it updated to MIUI 12, when the phone drastically started lagging.
I tried installing ArrowOS custom ROM, hoping that it would fix the issue, assuming that MIUI 12 is too heavy for the phone to handle - nope.
The problems started to occur more often and new issues started appearing.
Current major issues:
* Screen delay when trying to unlock with fingerprint / power button.
* Black screen / unresponsive screen on power button press.
* Notifications don't show up (black screen).
* When someone calls me -> phone vibrates/rings but the screen is black.
* Double tap to wake up -> black screen.
^All of the issues mentioned above that contain the black screen problem, sometimes but rarely the phone is responsive but it's like 2 times out of 20.
Things I have tried:
- Turn off all animations from Developer Options.
- Wipe Data / Dalvik Cache / Phone Cache / Factory Reset / Custom ROM.
- Installed stock ROM for Europe (since I live in EU) for my phone (latest MIUI 13) -> problem still persists.
- Wiped Cache / Dalvik after installing stock ROM (problem persists).
- Multiple factory resets (didn't fix the issue).
- Disable HW overlays -> this seemed to somehow give better performance but it disabled my Fingerprint function and I need this for banking security reasons, etc.
Overall the phone is still fast enough, no other issues, the most common issue is the black screen and the phone having this huge delay where sometimes it would turn on the screen for half a second and then go pure black again.
Most of the times I have to hold the power button for 10 seconds to force reboot it in order to access my phone.
Help is appreciated, thanks in advance people!
