NEED HELP: Samsung A055F/DS (Galaxy A05) with a black screen that still makes notification sounds after force restart

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NEED HELP: Samsung A055F/DS (Galaxy A05) with a black screen that still makes notification sounds

AI Overview: Caused by a software crash, particularly after a recent Android update (e.g., One UI 7/Android 15), or a loose screen connector internally.
Tried troubleshooting

1. Force Restart - Not working. It only vibrates. This indicates that a force restart was applied, but there is still no screen display.
(Press and hold Volume down + Power button simultaneously for 7 to 15 seconds)
2. The computer cannot detect the phone through the power cord. Unable to proceed to firmware downgrade or rebuild new firmware.
3. I'm not sure if charging is working or not. - No Vibration when plugging-in.

Thank you for your assistance.

Best Regards,
Ms Unhide ;);)
 
may history of repair naba?
bka natanggal/loose ung LCD port(FPC connector)
wala pa pung history sa repair, hindi ko kasi ina update palagi ang OS, tas after ko ina update, after ng update ayaw na mag display ang screen pero tutunog po yung notifications lalo na message at alarm. tas ayaw na din mag vibrate pag sinaksak pag eh charge. baka bili nalang ng bago hahaha. pero sayang naman
 
No signs of power ba sa sceen? like backlight, etc. baka disconnected lang ribbon ng screen.
yes po no power signs of screen pero tutunog po sya pag may message at sa alarm. gagana din siya pag force restart vibrate sya na narestart pero hindi na siya mag vibrate kung eh charge. noon mag vibrate pa, kaya hindi ko na malaman kung nag chacharge ba siya o hindi. sa tingin ko hindi kasi hindi na din siya madetect sa computer o laptop.
 
yes po no power signs of screen pero tutunog po sya pag may message at sa alarm. gagana din siya pag force restart vibrate sya na narestart pero hindi na siya mag vibrate kung eh charge. noon mag vibrate pa, kaya hindi ko na malaman kung nag chacharge ba siya o hindi. sa tingin ko hindi kasi hindi na din siya madetect sa computer o laptop.
baka nga loose lang ribbon cable ng screen, pag ba sinaksak mo sa computer tumutunog pa din yung usb connected na notification or hindi? kasi kung oo, possible na may power pa yung cp, hindi lang ma access yung files sa pc kasi may pinipindot pa don sa cp para ma access yung files, naka default kasi sa "charge only" yan kaya hindi lumalabas yung files sa pc.
 
baka nga loose lang ribbon cable ng screen, pag ba sinaksak mo sa computer tumutunog pa din yung usb connected na notification or hindi? kasi kung oo, possible na may power pa yung cp, hindi lang ma access yung files sa pc kasi may pinipindot pa don sa cp para ma access yung files, naka default kasi sa "charge only" yan kaya hindi lumalabas yung files sa pc.
ayaw tumunog ng notification sa computer, parang wala lang, parang walang sinaksak. pero tutunog yung naka set na alarm sa phone pero no display sa screen. kahit eh try ko force restart gamit volume down at power button, mag vibrate lang yung phone tas walang detection din sa computer kahit sa device manager sa computer wala. wala na siguro yung pag asa na phone na yun. huhuhuh
 

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