What's the Oculus quest work behavior when proximity sensor not work?

I have an oculus quest that is experiencing black screen issue. Until last week I was able to use it by disable tracking in system settings or by disable the proximity sensor using sidequest. But one day it suddenly stopped booting and the black screen started happening right after the Meta symbol at startup, not allowing me to enter the oculus menus. I pretty sure this happened when the device tried to install the v42 update at night. To make things worse I did a factory reset that didn't solve the issue and now I cannot put the device in developer mode using the mobile app. When I try to put in dev mode the mobile app show me a red labeled message telling to try later. I tried everything. Did 20x factories reset using app and using USB mode, tried hard reboot. I disassembled the Oculus (only the first cover) and tried to unplug the proximity sensor flat cable. I tried everything. I ended up not doing this for fear of breaking the flat cable. After this the Black screen issue behavior changed a bit: now when I set the the Delay time to going to sleep in power settings the device appear to respect this time. That is: if I set the Delay time to 15minutes for example, no matter what I do, the screen stays on (on black/ dark Grey screen) for 15 minutes. But one day it suddenly stopped booting and the black screen started appearing right after the Metax symbol on startup, not allowing me to enter the oculus menus. To make matters worse after that I did a factory reset and besides not having solved it, now I can't put it in developer mode using the mobile app. telling me to try later. I tried everything. I ended up not doing it for fear of breaking the flat cable. no matter what I do, the screen stays on for 15 minutes. Before I touched the sensor this behavior was random. But one day it suddenly stopped booting and the black screen started appearing right after the Metax symbol on startup, not allowing me to enter the oculus menus. To make matters worse after that I did a factory reset and besides not having solved it, now I can't put it in developer mode using the mobile app. telling me to try later. I tried everything. I ended up not doing it for fear of breaking the flat cable. no matter what I do, the screen stays on for 15 minutes. before I touched the sensor this behavior was random. What I'm deducing is that the proximity sensor was working poorly maybe the cable was in bad contact and after I messed with it stop worked completely. After said all this ... Can any of you tell me how the oculus works when the proximity sensor is physically disconnected from the device? Is there any thing I could do to get the device working again?