Xiaomi Poco X3 NFC
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Xiaomi Poco X3 NFC

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  • ?
  • Anonymous
  • 6P9
  • 11 Sep 2021

Anonymous, 08 Sep 2021Im facing a weird problem.. When copying files from intern... moreUnless there's something wrong with your SD Card (like a fake one), my best guess is a bug.

Probably associated with wrong I/O Scheduler in kernel, like "deadline". If you pass too much info through them, some schedulers like deadline can't keep up & device ends up restarting.

You can try to confirm it by repeating what you were doing, but don't do anything on your phone during the process & also leave the phone screen on. Though, interrupted moving of files can damage them.
Or if your device is rooted, you can simply check it in Kernel Manager - I/O Scheduler. You can change it freely as well.

If you just want a solution, I suggest saving your data somewhere & doing a hard reset.


Updates always have risk of bugs due to problems during installation (rather than the update itself). Doesn't matter you've an iPhone or luxurious Samsung/OnePlus/Huawei. Usually, not everyone faces the same bug because it's just a matter of bad luck.

I've pretty much never had a problem with any phone because I always hard reset my phone after a major update. And I don't install minor updates unless that update has some feature that I want.

    • ?
    • Anonymous
    • NwQ
    • 10 Sep 2021

    Jay1977efc, 10 Sep 2021Did you just pop the sd in without prepping the phone by an... moreNo .. i formatted it before using then popped it into the phone it was FAT32
    I changed it into exFAT recently and noticed a pump up in speed and more stability
    It was weird thought ... Any copying operation for files larger than 4GB seems to be the problem so far

      Anonymous, 08 Sep 2021Im facing a weird problem.. When copying files from intern... moreDid you just pop the sd in without prepping the phone by any chance as that happened to me on a device a few yrs back

        • ?
        • Anonymous
        • qHB
        • 10 Sep 2021

        Why when I open scope in pubg korea it shivers and vibrates for xiaomi poco x3

          Hello, good morning, I bought this phone a few months ago and I did not find any weaknesses in the method, and I am really very satisfied with its camera. It seems to me that this is a weakness, but the phone is excellent in terms of hardware.

            • ?
            • Anonymous
            • NwQ
            • 08 Sep 2021

            Im facing a weird problem..
            When copying files from internal storage to sd card ( 32 GB SANDISK ) the phone suddenly stops and reboot ..
            This happens when copying large files around 3 or 4 GB
            is there a solution to this?!..
            Im on MIUI 12.5 ANDROID 11 ...12.5.1.0

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              • Amal
              • KZ8
              • 07 Sep 2021

              Sony xz2 better than poco x3 nfc rt

                Im still facing this issue, cannot use external mic.. plz help

                  Ali11, 30 Aug 2021I don't get why people always complain about this phon... moreAbsolutely agree dude! I paid less than £200 for the 128gb model and honestly for the price (which is even less now) there's nothing to complain about. Yeah there's an odd glitch occasionally but nothing to spoil using the phone and with all the features I'll never go anywhere near spending silly money on a flagship when a so called 'budget' device is this good. Can't recommend highly enough 👍

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                    • AnonD-843228
                    • 0yx
                    • 03 Sep 2021

                    Minx, 02 Sep 2021If I could remove the latest update I would do so as it is ... moreask in the mobile shops do they do downgrades. its a little bit risky process.
                    maybe you should try with hard reset first. usually hard reset was required after updating android, two years ago from android 8 to android 9. you know... good luck however.

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                      • Minx
                      • TX6
                      • 02 Sep 2021

                      If I could remove the latest update I would do so as it is totally useless , the phone was 100% better without this nonsense . If anyone has a solution I would be extremely grateful.

                        • ?
                        • Anonymous
                        • a0Z
                        • 02 Sep 2021

                        Devesh, 03 Jan 2021Some bugs we should report to mi 1.improve stereo quality ... moreHello
                        Is that zoom problem of front camera solved?
                        Thanks

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                          • Minx
                          • 8rD
                          • 02 Sep 2021

                          The latest update is truly awful , it has caused me unbridled irritation , how a company can impose such a dreadful update on customers is mystifying, I think a total overhaul is needed , IMMEDIATELY.

                            Anonymous, 30 Aug 2021I've played PUBG on it. It gives 60FPS without issue, ... moreThanks for the reply.

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                              • Ali11
                              • f3f
                              • 30 Aug 2021

                              I don't get why people always complain about this phone. My phone works flawlessly. Had it for 5 months now. It cost only 200usd. It's an absolute steal at this price point given the features. If it were a other phone company like Samsung or vivo or oppo, they would gi you a phone that has a dreadful mediatek helio p35 chipsets. Yes xiaomi don't have the best ui around but the thing is they can only get better.

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                                • Ali11
                                • f3f
                                • 30 Aug 2021

                                Anonymous, 30 Aug 2021Yes. Its chipset is among good ones in this price, so it ca... moreThe most positive feedback I've seen on this page yet🙌.

                                  • ?
                                  • Anonymous
                                  • 6Pb
                                  • 30 Aug 2021

                                  MWM, 15 Aug 2021In my country its listed for 187$ 6/64 i want for daily use... moreYes. Its chipset is among good ones in this price, so it can handle daily-use apps for 2-3 years. Right now, it can handle most heavy games quite nicely so that tells you a lot.

                                  The built quality is quite good as well. I've dropped it a few times but it seems fine. I'm using default cover. I've it for 6 months, I think.
                                  If you want to be extra careful, buy a case that protects its camera glass better.

                                  I removed its glass protector months ago, but I don't see any scratches.

                                  It's also splash proof (slightly water proof), so that helps as well.

                                  The camera, battery and charging speed are quite decent for a phone in this price, so it's definitely among best/better options.

                                  Speakers and sound quality are good too.

                                  4GB should work fine, but 6GB RAM one will be better looking at long term as software/apps tend to become heavier with time. This goes for any phone you buy, not just this.

                                  The software updates are slow, but that won't make any difference in its usability at all. All your apps and things will work perfectly fine, and updates rarely bring anything new that often to start with.

                                    • ?
                                    • Anonymous
                                    • 6Pb
                                    • 30 Aug 2021

                                    NikiDroid, 27 Aug 2021I use Poco X3 NFC for 6 months so far, it is good. I use it... moreI've played PUBG on it. It gives 60FPS without issue, which was a amazing surprise. It can handle HD Graphics too, without major FPS drops.

                                    I tried 90FPS in PUBG as well. If you decrease graphics using file, it gives between 70-90FPS which still gives you advantage against 60FPS players in aiming & reaction.

                                    I'm currently playing an MMORPG which lets you level up on auto/afk. I leave it for 6-12 hours almost everyday, and it works without issue.

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                                      • Olie
                                      • KZK
                                      • 30 Aug 2021

                                      One of the details like the 3.5mm headphone jack does not support Hi-Res audio, only the stereo speakers support it.

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                                        • Travi
                                        • f{t
                                        • 29 Aug 2021

                                        zen0, 28 Aug 2021still the best midrange phone till now, best camera, displa... moreTrue