Replaced screen - now it auto dims so I can barely see the screen and I can't adjust it - Xiaomi Redmi 7 Questions & Answers

My wife cracked her Redmi 7 screen so I ordered a replacement screen+digitizer+frame from a reputable seller on AliExpress. I followed a guide to the letter and made sure not to damage anything while disassembling, and the re-assembly with the new screen went smoothly.
When I power on the phone the Xiaomi logo comes up nice and bright, but it then auto-dims in the usual way as it loads the system except it dims to an extreme level. I mean it dims so much I can only see what's on the screen if I go into a dark room/closet. When the system loads I can navigate menus normally (as long as I'm in a dark room) but changing the brightness setting has no effect. Turning on/off auto brightness does nothing either.
It doesn't seem like there's anything wrong with the LCD, because if I reboot to bootloader it sits there with the Fastboot logo and picture at full brightness until I turn it off. I took the phone apart again to check if there was anything obstructing the light sensor and I can't see anything wrong with it.
Has anyone seen this before?
Thanks

Related

SMS Notification on screen when screen is "off"

I'm no developer so i have really no idea if this would work.
But, as this mobile is a AMOLED screen, each pixels are lighted up and so not much battery is drained on a black screen.
What if we could somehow make something when a new sms has not been read and screen turns of, a black screen like this appears
Is something like this possible?
pic example, could even be smaller or just 1 blinking pixel.
http://forum.xda-developers.com/showthread.php?t=706426
I think to display a message on screen the machine would need to be awake, so it would be using more power than with an led notification (afaik the device can normally go to sleep then).
Your idea would still save power over just showing the lock screen though because you are right that using fewer pixels would proportionally reduce power usage of the screen.
I guess the hardest part would be making the device appear off - It would need to ignore screen and button touches (except power).

View Charging Status with Phone Off.

Hello there.
New user, first post. I've searched if there was anything related but found nothing. If I missed something, moderators can merge or whatever.
Well, it seems you can see the Defy's current charging indicator with the phone turned off, *without* pressing the volume buttons.
Here's how:
1. Make sure the screen is clean (no crust, oil etc);
2. If you're using a screen cover, it might be best to remove it;
3. Charge your Defy with it switched off;
4. In a place with preferably sunlight, look at the screen from the side, at a 45 degree angle and adjust. If you look carefully, you can see the battery indicator!
The catch: Even when charging with the Defy switched off, the screen is partially on, albeit very dim indeed.
Maybe someone could take a screenshot?
Have fun.
Compass Linux.
isnt the charging status just shown on the screen anyway?
stewi21 said:
isnt the charging status just shown on the screen anyway?
Click to expand...
Click to collapse
When the Defy is off and charging, no. Press the volume buttons for the charging status to appear in all its glory.
Whether a feature or a defect, perhaps this is configurable somehow.
Examples:
1. Adjust (with the phone on) the screen dimness for when the phone is off and charging, so one could see from a distance how much is done;
2. Screen indicates when charging is complete (flashing for instance).
There *might* be a slight decrease in the charging time if the screen is completely turned off, but I don't think it would be noticeable.
Compass Linux.

Screen flicker test

Hello. Since getting my new HTC M8 the other day I noticed that the screen can flicker for a fraction of a second when in the setting menu.
The issue really comes to light when you use a screen filter, I use the app that is literally called screen filter. If you set the app to about 20% and then you go into the settings menu you start seeing microsecond white flashes when backing out of and entering new menus.
Does anyone else experience screen flicker on there M8. I like to know if its my phone thats the problem or the screen filter app. If someone wouldnt mind testing my steps above out, it also helps if you have the screen filter on in a dark room as the flashes become even more pronounced.
Thanks

Brightness issue

My friend got this watch as gift. Its fully dimmed and changing brightness level doesn't fix the issue. It has like 5% brightness of my lg g watch at level 1. It gets bright only when it boots up (on sony logo only then it gets dimmed again). Is there any fix for it? I reset it and wont work.
Hardware problem I suppose but it's strange the watch is bright while booting up...
If it's dark when set to auto and brightens if you manually set the intensity, then the photo detector is probably bad. It sees no light, so it sets it as low as possible. If it's always dark (after boot), you've probably got bad hardware or a bad configuration file.
If it's the latter, you might want to look for instructions on a full reflash of the watch's firmware.

Screen too dim, backlight(Maybe) not working.

Hi all. I have a rather weird issue. After droping(oops) my phone, I ordered a new lcd. I shelved the phone as it was unusable until the screen arrived. When the screen arrived, I saw that the battery was dead. I charged it and changed the lcd. That's for the backstory. Fast forward to now. When I open the phone, the screen lights up at full brightness as one would expect at the android one logo. It stays there at full brightness for about 8secs But as soon as it starts loading android the screen dims to absolute dark. In the beginning I thought the phone was closing, you can't see anything... Unless you close the lights.
But even in absolutely dark room, the screen is still very dim, barely discernible. The phone works absolutely fine otherwise, touch camera sound etc. I backtracked the process and put it's original screen on, but it does the same.
I tried disabling auto brightness it does nothing. In fact, changing brightness from the slider does absolutely nothing whatsoever.
Tried calibrating the sensors from the engineering menu(not sure it was called that, the one you enter when you put numbers on the call menu) they seem to be working, but the brightness doesn't change.
Tried removing the battery for a prolonged amount of time (around 6 hours iirc). Still same.
At this point i'm thinking:
1)Software problem. I will really need to hard reset the whole thing, which i'd rather not, and hope for the best.
2)Bad screen, which doesn't explain why the previous one has the same problem, or why the screen works during the logo.
I hope I was able to give enough info. Any help would be greatly appreciated. Thanks!
Hi, I'm having almost the same issue (display very dim, but for me it is always very dim) and this manifested not after any dropping or screen replacement, I guess I just wrongly inputed a button sequence that configured the mobile in this weird status. It is really annoying as it is almost impossible to unlock sims, basically the phone is unusable, very frustrating....
Hey there, did anyone found a solution for this issue?
Has anyone solved this problem?
Have you found what was causing this?
I’ve the same issue, replaced the lcd on a xiaomi mi a1 and the backlight is present at the logo startup but completely black after that.[br]
On a dark room I can barely see the screen and all it’s working, but adaptive light button is missing, seems like the bootloader is able to use the backlight but not android itself
I have the exact same problem, i really hope someone knows a solution to this. I tried pretty much anything within my capabilities

Categories

Resources