Redmi note 4x . Replacement LCD help double tap - Xiaomi Redmi Note 4 Questions & Answers

Hi.
I was wondering, I recently replaced my LCD and frame in my redmi note 4x.
It's working lovely apart from it won't wake up on double tap now and the home buttons are dim.
Anyone have any thoughts???!
Thanks

Since you are experiencing issues after a hardware change. I would suggest that you start by opening the phone again, check and re-seat all of the connectors. It may just be as simple as a poor connection.
Sent from my Redmi Note 4 using Tapatalk

Just seems strange the screen works perfect but won't wake double tapping

Related

Tap to wake not working occasionally

Hello everyone,
I'm having issues with my Xperia Z5c and its double tap to wake feature.
Sometimes it just doesn't wake up the first 2 or 3 times and it needs 3 or 4 attempts.
Sometimes it works on first try.
I don't know why and it's annoying.
I use a tempered glas screen protector, but I have no sensitivity issues at all during normal use. And someone in another forum stated that he uses a glas protector and has no issues with tap to wake.
Any ideas?
Thanks & regards
kern
kerngehirn said:
Hello everyone,
I'm having issues with my Xperia Z5c and its double tap to wake feature.
Sometimes it just doesn't wake up the first 2 or 3 times and it needs 3 or 4 attempts.
Sometimes it works on first try.
I don't know why and it's annoying.
I use a tempered glas screen protector, but I have no sensitivity issues at all during normal use. And someone in another forum stated that he uses a glas protector and has no issues with tap to wake.
Any ideas?
Thanks & regards
kern
Click to expand...
Click to collapse
I run my phone naked and have the same issues. I've disabled the fingerprint scanner as I just check the time often and the double tap thing really doesn't like to work after its been locked for longer times.
Sometimes i need to double-tap 2 times but maybe it's related to the speed of the touch. Never needed 3 or 4 times, tough
Tap-to-wake has never worked well on my Z5C. I usually have better luck tapping three times instead of two.
I have both a z5c and a z5p dualsim and both experience the same double tap to wake issues. No screen protectors on either. I've tried glove mode which didn't make a difference. The best thing that works for me is using my thumb for tap to wake. I can tap 5 to 10 times with a finger and it sometimes works and many times it doesn't. Tap two times with a thumb and it wakes up. Smh

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I am having Redmi note 4x the problem is display showing recently used app screenshot on back side in another app.
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Screen doesn't work when wake up after sleep, screen replaced

Hi guys,
I have a Redmi Note 4 Snapdragon with a screen replaced recently. The problem is the screen only works after the phone is booted, if I let the screen turn off, it can't be waken up again. There's still backlight, vibration and all and I still hear sound. Which means the touch does work, only the screen doesn't display anything, just black. What can be the cause of this? Thanks everyone!
I have exactly the same problem on a Redmi Note 2. And this problem is not so rare because i found a few posts with same symptoms but i cannot find a fix. If you please find, please let me know.
Can I ask you something cause I'm a technician and I face similar problem not exactly the same. Were your screens bought with frame already glued and you face that issue? Usually such issues occur when they is no duct tape (sorry for my English) at the lcd flex cable where it folds under the frame or where the backlight circuit (I don't know the correct explanation in English I hope you understand). So I needed at my phone to replace the frame as well that's why I bought a lcd with frame (that of course was terribly glued). My issue is blacklight flickering when it wakes from sleep and if I push the edges it's ok. I have replaced a lot of note 3 LCDs without frame and I know that in all of them I had to put duct tape to make them work properly and without issues, I had only one for note 3 pro SE that was properly made. So I believe both your issues as well as mine have to do with that. If you have the broken ones, take apart the new and check side by side the flex cables and if you find exposed connections compared to the original just put duct tape.
Sent from my Redmi Note 4 using Tapatalk
earthscaper said:
Hi guys,
I have a Redmi Note 4 Snapdragon with a screen replaced recently. The problem is the screen only works after the phone is booted, if I let the screen turn off, it can't be waken up again. There's still backlight, vibration and all and I still hear sound. Which means the touch does work, only the screen doesn't display anything, just black. What can be the cause of this? Thanks everyone!
Click to expand...
Click to collapse
Perhaps you might want to enlighten us as to which ROM are you using, and who is the manufacturer of the lcd display?
DarthJabba9 said:
Perhaps you might want to enlighten us as to which ROM are you using, and who is the manufacturer of the lcd display?
Click to expand...
Click to collapse
Hi, I'm using the Ressurection Remix ROM on Android 7.1.2, planning to update to Oreo soon with the Pixel Experience ROM. And the LCD manufacturer is Tralfagar.
earthscaper said:
Hi, I'm using the Ressurection Remix ROM on Android 7.1.2, planning to update to Oreo soon with the Pixel Experience ROM. And the LCD manufacturer is Tralfagar.
Click to expand...
Click to collapse
Well, I don't know about Trafalgar - but if the new display is has an ebbg chipset, then you may have problems. There have been issues with ebbg displays and TWRP (when using custom ROMs - see for example https://forum.xda-developers.com/re...redmi-note-t3716706/post74815338#post74815338). Does everything work properly when you reboot to TWRP recovery? If not, then this may be the problem - and you may need to change your ROM to the latest MIUI releases.
I am facing same problem
I have redmi note5/5+, using custom rom (ion), I am facing same problem, changed lcd two time, tried with other roms, but nothing improved, did you find any solution.

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Hello,
I have the Redmi Note 4x and the device is getting worm in one location where the home button is when the screen is on, when it off the temperature returns to normal. Also it began 2 days ago and I didn't experience it before.
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Does it sound right? or is there something I can do?
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Xiaomi Redmi Note 5 - Randomly launching apps and other stuff

Hi guys,
I have a problem with my colleague's Xiaomi Redmi Note 5 as can be seen in the attached video.
Couple weeks ago I replaced his cracked LCD display without any problems for a new original LCD unit.
Today he sent me this weird video of the behaviour of his phone - the phone is launching apps and do other crazy stuff without any user's involvement as you can see at the video...
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Probably a faulty LCD
He'll have to get a new one

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