still having a problem with POCO X3 NFC proximity sensor - Xiaomi Poco X3 NFC Questions & Answers

I recently bought the following phone.​POCO X3 NFC- Smartphone 6+128GB, 6,67” FHD+ Punch-hole Display, Snapdragon 732G, 64MP AI Penta-Camera, 5160mAh, Shadow Gray​It worked fine for six about weeks and now I'm getting the screen switch of during calls issue which I've seen commented on on this forum and elsewhere. I've tried all the recommended solutions with regard to the proximity sensor, but no success. Although I must say my settings don't have an option for the proximity sensor that some youtube clips are showing and I had to go down the other suggested route. I thought this problem would have been fixed by now. So does anyone have any new solutions (I've seen the previous thread)? It's pretty scandalous that they're still selling this phone when it's causing such issues.

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Poco X2 ghost touch problem.

I am facing ghost touch issue in poco X2 and the problem is getting worse day by day! Anyone who faced similar problem in X2?
I have touch issues also; the screen registers touches when my fingers are near the screen; it worse for me when charging. If you are in India and bought it from Flipkart; I would ask that you raise it with them as soon as possible. I have asked for a replacement on june 17 and their response is abysmal.
Same ghost touch issue here...
abharti880 said:
I am facing ghost touch issue in poco X2 and the problem is getting worse day by day! Anyone who faced similar problem in X2?
Click to expand...
Click to collapse
Yes, I also have been facing it since last 2-3 weeks.
I think it might be due to some update in some software, mostly keyboard. I am using Microsoft SwiftKey as keyboard. What about you?
Here we are. Tianma lcd panel? Same problems with poco f1, note 8, note 8 pro. At least about this phones I've been reading extensively. And it's hardware not software problem. I wanted to buy Poco x2 but this thing is obviously deal-breaker. Pathetic
I have been using it for 2 weeks and never had any issue.
I was also facing ghost touches on stock rom but now everything is fine in custom rom...
sharik68 said:
I was also facing ghost touches on stock rom but now everything is fine in custom rom...
Click to expand...
Click to collapse
No problems whatsoever? Or just better? Which custom rom?
Madhuvrata said:
Here we are. Tianma lcd panel? Same problems with poco f1, note 8, note 8 pro. At least about this phones I've been reading extensively. And it's hardware not software problem. I wanted to buy Poco x2 but this thing is obviously deal-breaker. Pathetic
Click to expand...
Click to collapse
I'm exactly in the same boat as you with my MI A2 touch issues. I've been researching this too for a while now and looks like I'd have to switch to either Oneplus or Realme. Poco X2 was really interesting but deep down i knew.
Madhuvrata said:
Here we are. Tianma lcd panel? Same problems with poco f1, note 8, note 8 pro. At least about this phones I've been reading extensively. And it's hardware not software problem. I wanted to buy Poco x2 but this thing is obviously deal-breaker. Pathetic
Click to expand...
Click to collapse
i dont think it is tianma panel
look in the kernel source
https://github.com/MiCode/Xiaomi_Ke...a0cbd5cffc74e04a5145a8930769f220e71761a.patch
if you download this file and search in text , there is no mention of tianma panel .
but if you look in redmi note 9 pro/pro max source
https://github.com/MiCode/Xiaomi_Ke...31fa425e8f42661f74339de63c3ad472de6077d.patch and search for tianma , you will get panel dtsi as tianma.
also
https://github.com/MiCode/Xiaomi_Ke...64ee75e7daeff1bd80bdff74ea99a979c8f2b9b.patch for poco f1
https://github.com/MiCode/Xiaomi_Ke...d1d7fc3e85fdb6416a5e38025a9692bcc29e5b2.patch for redmi note 8
both show tianma panel dtsi in their source.
i.snehal.kiran said:
i dont think it is tianma panel
look in the kernel source
https://github.com/MiCode/Xiaomi_Ke...a0cbd5cffc74e04a5145a8930769f220e71761a.patch
if you download this file and search in text , there is no mention of tianma panel .
but if you look in redmi note 9 pro/pro max source
https://github.com/MiCode/Xiaomi_Ke...31fa425e8f42661f74339de63c3ad472de6077d.patch and search for tianma , you will get panel dtsi as tianma.
also
https://github.com/MiCode/Xiaomi_Ke...64ee75e7daeff1bd80bdff74ea99a979c8f2b9b.patch for poco f1
https://github.com/MiCode/Xiaomi_Ke...d1d7fc3e85fdb6416a5e38025a9692bcc29e5b2.patch for redmi note 8
both show tianma panel dtsi in their source.
Click to expand...
Click to collapse
Doesn't matter, even the displays from Huaxing in Redmi Note 9 Pro has bleeding and retention issues, so goodbye Xiaomi, i guess.
It's a hardware issue in my case (India)
I bought a brand new Poco X2 on 11th July and got it delivered on 13th July. I have been using Xiaomi phones for the last 2 years so the learning curve with MIUI wasn't much for me, the only thing I needed to get accustomed to was the form factor.
From the very first day, the keyboard used to double tap. While playing PUBG, it would auto press some buttons (reload, backpack etc.). Also, the gestures weren't particularly great.
Initially, I thought it happened because I wasn't used to it, but after 10 days the problem persisted. That's when I decided to do a deep dive. I downloaded several multi-touch test apps, and indeed, it showed the problem of ghost touching. Even while touching the screen once, the max. events would show 2.
On top of this, I faced a very poor screen flickering issue.
I submitted my phone to the service centre on 28th July. They said even though they have not received any X2 with such complaints, there indeed seems to be something abnormal with my phone. It could either be the display or the motherboard or the PCB or the worst - a combination of 2 and 3. So it's either a repair or a replacement at this point. They have asked for 6-7 days, so let's see.
But if you are using the device and facing such issues, don't hesitate to raise your voice.
If you're planning to buy the device, RUN AS FAR AS YOU CAN FROM THIS ONE. Don't buy this.
TheHardworkingBong said:
I bought a brand new Poco X2 on 11th July and got it delivered on 13th July. I have been using Xiaomi phones for the last 2 years so the learning curve with MIUI wasn't much for me, the only thing I needed to get accustomed to was the form factor.
From the very first day, the keyboard used to double tap. While playing PUBG, it would auto press some buttons (reload, backpack etc.). Also, the gestures weren't particularly great.
Initially, I thought it happened because I wasn't used to it, but after 10 days the problem persisted. That's when I decided to do a deep dive. I downloaded several multi-touch test apps, and indeed, it showed the problem of ghost touching. Even while touching the screen once, the max. events would show 2.
On top of this, I faced a very poor screen flickering issue.
I submitted my phone to the service centre on 28th July. They said even though they have not received any X2 with such complaints, there indeed seems to be something abnormal with my phone. It could either be the display or the motherboard or the PCB or the worst - a combination of 2 and 3. So it's either a repair or a replacement at this point. They have asked for 6-7 days, so let's see.
But if you are using the device and facing such issues, don't hesitate to raise your voice.
If you're planning to buy the device, RUN AS FAR AS YOU CAN FROM THIS ONE. Don't buy this.
Click to expand...
Click to collapse
The situation with Poco X2 in compare to other Xiaomi phones is still much better. Poco X2 at least doesn't have miserable tianma panel. Problems will occur but majority of don't get any issues

Poco X3 Face unlock not working in the night

The Face unlock does not seem to work in the night. It works perfectly alright on the Poco F1 and really really fast! Its one of the best Face unlocks one can experience. You also see the Infrared light glow when it tries to Unlock. However, this is completely missing on the Poco X3.
Because it doesnt have IR Sensor on its front that has capability on seeing light even on the dark... While the Poco X3 NFC has the capability to have a face unlock, it still need a decent light to scan up faces and it uses A.I. Tech
yan2xme said:
Because it doesn't have IR Sensor on its front that has capability on seeing light even on the dark... While the Poco X3 NFC has the capability to have a face unlock, it still need a decent light to scan up faces and it uses A.I. Tech
Click to expand...
Click to collapse
Thanks for your reply.
You would be right, but isn't that like a downgrade. Its not that I will be using it very frequently, but i did notice right on the first night, so probably it is going to be missed out.
Given the situation, I dont think this can be fixed in the next updates as well.
spirits999 said:
Thanks for your reply.
You would be right, but isn't that like a downgrade. Its not that I will be using it very frequently, but i did notice right on the first night, so probably it is going to be missed out.
Given the situation, I dont think this can be fixed in the next updates as well.
Click to expand...
Click to collapse
POCO F1 is Series Flagship, and Poco X3 is midrange. so technically it is downgrade. and if you don't know how IR camera works, good luck for using it at night.
spirits999 said:
Thanks for your reply.
You would be right, but isn't that like a downgrade. Its not that I will be using it very frequently, but i did notice right on the first night, so probably it is going to be missed out.
Given the situation, I dont think this can be fixed in the next updates as well.
Click to expand...
Click to collapse
Yeah, its permanent, you cant tweak it because it is on its hardware... it doesnt have the capability... because if they would add ir sensor, it will cost them again at designing and manufacturing it so it would cost maybe $20-$40 more on the Poco X3's price and that would that personally me can't buy it because I'm really on a tighta budget
The 'spirit' or idea of the poco series was supposed to be budget flagship. The first Poco F1 had things missing to reduce cost. Like plastic back etc.
This year the SD865 an SD865 plus had 5G modums making it very difficult to repeat the exact success of the F1.
So this year they aimed for flagship 'experience' as well as low cost with a midrange device. Again some things left out to reduce cost.
They could of left out NFC for me an put front firing infrared camera for face unlock.
In New Zealand almost no one uses NFC. We use pay wave on chipped debit cards instead.
But the X3 hits the mark of providing a flagship experience mostly.
The F2 pro missed it in 2 major ways. Price an refresh rate. It got way too high in price in an effort to repeat the F1 experience.
So the X3 is a nice middle ground.
Can't wait till I try mine in November
You guys are missing a major point here, although there is no IR Camera, but thank God, there is also not a huge f**ing notch on it's forehead
spirits999 said:
The Face unlock does not seem to work in the night. It works perfectly alright on the Poco F1 and really really fast! Its one of the best Face unlocks one can experience. You also see the Infrared light glow when it tries to Unlock. However, this is completely missing on the Poco X3.
Click to expand...
Click to collapse
Recently i switched form f1 to x3 pro.
I tried face unlock in dark environment and it didn't work.
Problem was from my screen protector that cover the infrared blaster.
After removing screen protector,
I can see the Infrared light glow when it tries to Unlock and it works fine.
arifqur said:
You guys are missing a major point here, although there is no IR Camera, but thank God, there is also not a huge f**ing notch on it's forehead
Click to expand...
Click to collapse
Chill bro.
My poco x3 pro have ir face unlock without any notch. So technology solved this

Solved: Fingerprint Sensor Improvement

Had been pretty disappointed with the N20U fingerprint sensor over the Note 9 until trying this hack found last night on Sakitech's YouTube channel while searching for a solution. It originally pertained to the S20 / Note 10 but continues to make a huge improvement on my N20U. Link is below in case you're not aware of this.
My only disappointment with N20U is the fingerprint sensor. I tend to prefer physical fingerprint sensor especially on the side or back (and I still do). This actually improves the fingerprint sensor a lot. Thanks!

P40 Pro camera purple tint on pictures

I have problem with purple tint on pictures and I know I'm not the only one. Is there any way to help this? I'm sure it's software problem, because when I use pro mode and change white balance setting then pictures are fine. Also it is not RYYB sensor problem because I have also P30 pro and pictures are fine. You can see comparison attached to this post. Is there a software version which works fine with this model? Currently I have latest firmware 12.0.0.228
I had a similar problem. Sent back for warranty repair, they replaced the camera module. The problem is gone.
But I have this problem with both RYYB sensor, and also had impression that on old software this effect was even bigger. That's why I assumed that was rather software problem. Of course it can be coincident and both sensors are bad. Maybe someone can post some pictures where black objects are well lit with daylight and made with last software version to make sure it's my hardware problem? Thanks in advance.

Question Pixel 7 pro main Camera issue

Hello,
I have a problem with my new pixel 7 pro with the camera. Namely, a line a couple of pixels thick appears almost constantly on the main camera (0.5 and 5x are ok) and when I zoom digitally ( 2x, 3x,... ) the line is still present and moving with the zoom. I have tested other Camera apps and everything is the same.
The Pixel is brand new. I just turned on the phone, set up email, did the updates, opened the camera and the line was there. I will also post a couple of pictures.
Has anyone had similar problems? Could this be a software or hardware issue?
Thanks in advance for the answers.
I'd say it is a hardware problem, i have not seen anything like that from anyone else.
Factory reset, check if it's still there, return for a replacement. I'd say definitely hardware

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