Question International ROM for XIAOXIN PAD PRO 2021 unlikely?

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mardon85

Senior Member
Jan 8, 2009
546
81
Manchester
As I tried to explain in #138 the thing you're referring too and the picture you repasted in #104, looks a lot like the ZUI transparency feature where things underneath will shine through and almost give that old IPS-blooming-effect, but on P11pro2021 it looks (as far as I can tell) like it's with intent, and a feature of the Android skin Lenovo are using.

Are you sure it ain't that "ZUI transparency feature" you mistakenly take as "grey problems" as you expressed above to the picture #104 that was posted that certainly looks a lot like the pictures I showed of the OS transparency feature? in post #138
also why I hope'd you would demonstrate it.? (as you mentioned a few months back you would in #132)
As then I could try to replicate it and see if you got a bad batch, or it's a revision issue, or it's common?

- as it ain't magic and if there is problems with grey toning. you would see it with finer and finer grey slide-lines or in different grey or black scales like the examples above, but in the few tests I have made, and where such things usually would be elevated, - I don't see anything, quite the contrary, I'm very impressed with the OLED display Lenovo er using and it blew my mind the prices this tablet is being sold at, like 350 USD, but it also looks like it originally was sold at a way higher CN price back in the day

- and here in the west, the older little brother P11pro2020 (J-706) just entry version' is still from +655 USD on Lenovo dk (Denmark) (4299 DKK) so the J-716 would likely be +750 to 850 USD if Lenovo had released that model in the west.(no wonder that people turn to foreign markets, with such price mockup.




I also have Samsung AMOLED displays, so I can compare one to the other and my girl's parents have an S7+.
The E4 is an older AMOLED blue-stripe panel and certainly also has its weaknesses and almost no change from E3, likely also why we are seeing a new generation E5 in the second half of 2021 and now in the start of 2022 and on Tab S8+ and Ultra and numerous third-party mobiles.
Personally, I prefer the Xiaoxin ability to show red. often a problematic color to get deep and vibrant as it is choking into orange..

I'm also impressed by the Xiaoxin P11pro2021 DC dimmed panel and its brightness ability.
I'm seeing some of the highest brightness values I have seen on any tablet on the Xiaoxinp11pro2021 and way higher than fx P11pro2020.

with the brightness sliders it tops out a tad over +600nits.. like 630nits, but if you activate the extreme brightness effect and trigger the lightsensor. it goes up to just under 900nits. (that ain't too shabby in full white)
- and it does inform you on the screen when it goes into this extreme brightness mode and also when it goes out of it. (the max seems to be around 900nits and I don't know how long it can sustain it)
Example..
plain sliders. (a tad over 600nits)

As a person that is fascinated by display technologies, I love the fact that it ain't a very common OLED panel in the P11pro2021, as we have seen the Samsung E4 AMOLED panel in so many products and also in sub200 budget tablet brands, like Alldocube, and Chuvi, ... the Samsung E4 panel is very common and I reckon most people have an item with that AMOLED E4 tech in house and why I find it interesting to get access to other manufactures OLED technologies and being able to compare variables and pro & cons.

The biggest con on these Lenovo / Xiaoxin P11pro2021 / P12 is the OS.. kinda half-baked from a western viewpoint, hence the lack of western release - but some things the ZUI-OS is actually doing better than my Samsungs DeX Tablets.
fx video-out looks to be in 4K.. my LG 4K OLED TV (2017) does list it as a 4K signal but in like a 4:3 ratio.. where I otherwise the max are 1440p on Samsung.

Was also pleasantly surprised to see the wireless-display interaction with LG OLED TVs and the wireless-display quality and the LG remote control-pointer function as an android mouse..
makes it a blast to stream Magellan & Wondrium and the other science stream channels up on the big screen, without cables.
For someone that clearly enjoys oled are you really telling me you can't see the grain effects on red colours?

It's 100% not the os transparency effect. Dim the screen and look at this web page and report back.

The issue with films is largely fixed by setting the screen to 60hz. 95% of the content I watch is in HDR and their is a bug that elevates the black after a few seconds on certain players. My go to is "justplayer". Again other people are reporting the same.
Perhaps they fixed some off the issues I'm seeing at a hardware level between yours and mine.
This isn't opinion or preferring once device over the other due to which I own. It is a genuine issue on mine and other people's devices.

Also who cares if it can do 900nits if you activate the light sensor, just like the red test pattern it's not something you see in day to day usage. Know one sits consuming content with a torch pointing at the sensor. They both output 600nits which is totally fine for indoor use.
 
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Temjinck

New member
Sep 9, 2010
2
0
From reading the thread, can I presume that it is much more desirable to buy the tablet straight from China (i.e. taobao) with native Chinese ROM instead of an unofficial global from?

I really needed the tablet to run google play services and google play store flawlessly, including games that use play game services for profile backup. Also good to have is OTA updates and streaming apps.

Otherwise, what other limitations am I looking at with the Chinese ROM? Someone talked about regional locks here, what do you mean by that?

I've used a Huawei Honor 5 with Chinese ROM and google play service/google play store simply do not work consistently. Just don't want to deal with this problem again.
 

Wualk

Member
Jul 18, 2010
19
13
Breda
I can also confirm what @mardon85 has noticed and described. Especially in a very dark environment (e.g. in your bedroom in the evening) when watching Netflix there is a noticeable "flickering" of blacks/greys in the screen. This happens mostly when watching a dark movie scene and when you have turned down the brightness.

I must also thank mardon85 because your solution worked. Previously I had disabled auto brightness etc., but this did not help me. Lowering the refresh rate to 60 did solve it for me (and just for the record, I have also changed the image settings from vivid to natural).

And no, it has nothing to do with the transparency overlay. That works as expected. Kinda.
 

Josephand28

New member
Apr 3, 2022
3
1
hello I need the global firmware of zui 12.5 for lenovo TBJ716F Someone who knows a repository where I can download it, or someone who has a copy of the firmware thanks
 
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    When did I say it wasn't bright? Both panels have perfectly acceptable brightness levels.

    I have spent more time with my 2021 Pad Pro as my 12.6 had to go back to China for a reflash.
    In that time i've established a few things.

    The dirty screen effect is an issue but not one I see day to day anymore.

    The biggest problem I was encountering was the black crush in dark scenes of films. I've actually found out what the issue is. I use JustPlayer for all my content as it will play all HDR containers inc Dolby Vision. What I was noticing is the video plays fine for about 1 to 2 seconds then the brightness/contrast changes and it is at this point that the images turns to trash. I have discovered if I set the screen to 60Hz this no longers occurs.
    Since i've made this change when watching media i'm actually pretty pleased with the Pad Pro 2021 and value wise it is absolutely the best tablet on the market.

    However... The E4 panel in the 12.6 is hands down better in all scenarios to my eyes. In high bitrate files around red objects the 11" would look pixelated and distorted. (I will try and capture this). This does not occur on the 12.6, I also found the 12.6 to be brighter in HDR.

    Colour vibrancy (with all settings between the two tablets equal) the E4 panel is greatly increased. Images and video pop much more.

    Pentile or otherwise the 12.6 screen is sharper. I don't know why as the PPI is actually lower on the 12.6 but it is clearly (excuse the pun) sharper.

    I should be getting it back tomorrow. I'll try and capture some of the examples (if possible) side by side.

    Something to note, it seems your comparing a Samsung S6 E4? I belive even the S7+ has a dimmer panel than the e4 in the Pad Pro 12.6 (P12 Pro) so your results although interesting are not valid against this newer tablet imo.
    It was the message in between yours #13 that referred to low brightness, (my bad).
    as sustained +600nits certainly ain't too shabby on an OLED-based tablet.
    I am able to go a tad higher on Samsung E4 1600p AMOLED panel, but only if I flood the light-sensor and trigger the short sunburst-effect.
    but as a plain slider brightness (sustained), the Xiaoxin actually goes higher than Samsung on the brightness slider.
    If you can try to measure the brightness on the P12pro.
    I don't know if you got a bad batch on your P11pro2021 and, your definitely not alone with the phrase "Pentile display" - many reviewers on YT.. uses that phrase on this Xiaoxin but when asked under their videos' if they actually know what pentile display is and why they conclude that its a pentile display on the Xiaoxin, . its mostly silence or "I have heard it from another YT'er".

    btw, I also have an LG 2017 4K OLED (55"), so that black crushing you are referring to, I would be able to replicate if you show some examples.
    Here is a WOLED grid on that 2017 4K LG OLED.
    precarious that LG's 4K WRGB OLED grid arrays still only let 3 of the 4 WRGB subpixels be lit a once. (not sure if that limitation is still the case on the newer WRGB OLED panels for TVs from LG display, but I reckon it is)
    - below macro is at the same resolution as on the Samsung E4 1600p AMOLED and the 1600p OLED macro view in the above-posted vid, so it gives a good indication of how big the WRGB is OLED pixels are on these 4K TVs in regards to the OLED RGB pixels on tablets.

    I haven't noticed any black crushing on my Xiaoxin and also have access to two Samsung E4 OLED panels.. the 10.5" 1600P in fx Tab S6 and the 12.4" in Tab s7+.. not sure what panel are in the P12pro as that one is obviously bigger 12.6" then S7+ that is 12.4" but it is labeled as an E4 AMOLED so same gen as the 10.5" and the 12.4"
    as mentioned some things the Xiaoxin 1600p OLED panel does better then Samsung E4 gen with its blue stripe AMOLED, and in some aspects, the Samsung does better.
    fx if I put a test pattern with very fine lines beside each other.. I see more dirty screen effects on the Xiaoxin than I do on the Samsung E4 panel.

    If you can' try and take the app "Screen test pro" on both and go into screen color test and put the brightness slider on max with the setting "brightness enhancement" active and do the same on the P12pro, and take a side by side picture.
    If you see the same effect, on the P12pro 12.6" E4 AMOLED panel, as I do and they are worse in reproducing "red", than the OLED panel in Xiaoxin.
    here is a 10.5" 1600p Samsung AMOLED panel on the left, found in fx the 2020 flagship S6 and Xiaoxin 11.5" 1600p OLED on the right both with the app screen test pro and color slides.
    Samsung E4panels often choke into orange.



    I also wondered about the p12pro as that unit was up for sale' when I went for Xiaoxin p11pro, though the p12pro keyboard and accessories like stylus were not present at that time.
    but in my mind, the p12pro made little sense as it was so much more expensive.
    I really didn't need another big Android tablet, now that all my older books also run Android, like Surface Book2 and the 2x Porsche Books,.. that are 13.5" and 7mm thin and weigh around 700g and works well as huge Android tablets, though sadly not OLED..

    The Xiaoxin P11pro2021 was facepalm good value around singles day and BF and still is and was actually very close to CN sale prices, so wicked good value not least here from Denmark with tax + 25% danish VAT, and often results in some of the world's highest consumer prices and overall livingcost.
    Fx on Lenovo DK official atm.. the older P11pro 730G 60HZ from 2020 cost from 4299 DKK (+655 USD) and thats the base wifi entry version 128GB, so quite high prices here on somewhat dated 2020 hardware, when the older 2020 variant is almost double the price of the P11pro2021.

    Also wondered about the Mi pad5 and the Mi pad5pro and were close to take the plunge on the Mi pad5 when that unit was on early bird-sale at 299Euro - and glad I didnt as that is almost the same price as what you could get the P11pro2021 for at these singles day or BF sale, - and I certainly prefer the keyboard-cover for the Xiaoxinp11pro2021 with the trackpad and the magnetic kickstand where Mi pad5 (and also its Pro version) uses that grove-variant. without any trackpad.
    Went for the P11pro2021 and the keyboard (both from Giztop) and the folio-cover from Lenovo Denmark as they had it for around 16 euro with free shipping (seems it comes from England) and that was less. then what I could find it at' from abroad.

    btw does any of yours P11pro2021 weigh the claimed 485g.. mine is 492g.

    To make it clear, the Samsung Tab 7+ uses a 12.4". E4 AMOLED panel. the Samsung Tab S6 (Samsung 2020 flagship) is the same also an E4 AMOLEDbut in 10.5".
    The Xiaoxin P12pro. is 12.6" so a tad bigger than the S7+ panel, but P12pro is also on the old E4 panel, so pretty sure you will get the same results, as the other E4 blue-stripe AMOLED panels found in S6 and S7+.
    also why I referred to testing fx an all-red slide on max brightness' when you have both devices P11pro2021 and P12pro, as the E4 AMOLED-grid array's red-subpixels is a tad smaller' than the red subpixels in the Xiaoxin (see the first video in #131), and could be why the red-colors are worse on Samsung's E4 AMOLED panels. (more orange tone)

    Samsung is just now finally elevating to a new generation of AMOLED panels (finally).. their so-called E5 generation, but as I wrote above. I don't know if the new Tab S8+ and Tab S8ultra that are about to land in 1q 2022 is with that new generation of E5 AMOLED panels, though it would surprise me if it ain't.

    I have had some problems with the charging on my unit.. where it will not charge and just give a message "cant charge right now" and you are quite puzzled.. as it doesn't give any explanation, and you left with a ??.. okay tablet, but when does it then suit you to charge.!!

    I hard-rebooted mine, and then it charged fine but precarious experience..
    btw..it seems you have been able to take OTA updates without loosing your L1 .. is that the case for others, that are on the P11pro2021 native CN/ENG rom, or have other people lost that L1 widewine by using OTA?

    //
    I checked the display for use of DC dimming, and it indeed makes use of DC dimming.
    have waveform video on a Micsig ST1104C scope.
    Also noted a 144hz bug on the display setting front page (below) though havent installed any OTA updates so far, still, on the OS revision, it arrived with.

    I'm quite impressed with the sound-- out of the box. Its 4x JBL-labeled Atmos speakers don't sound good, it gets way better if you activate the "Atmos" feature, but my Samsung's AQK quad speakers still sound a tad better, but If I go into the 10-band Atmos EQ, I can get very close to the AGK Atmos quad-speaker quality from Samsung that IMO is the best on tablets these years. (certainly not bad quad-speakers in the Xiaoxinp11pro2021, but it takes a little work to finetune it in the Atmos 10band EQ)

    Also like Lenovo's landscape feature where it flips apps, to landscape-view, quite useful when you use keyboard and trackpad)
    Same with the swipe feature, and something I like a lot on Samsung tablets, where you can swipe from the sides, happy to see that on the Xiaoxin. but maybe it is a native feature on Android but quite useful..- same is the feature to jump between current apps you have open, by making a half-circle from below..

    The microSD card reader supports up to 1TB, and I tried to test the speed with one of these cheap new Aliexpress Samsung cards-
    It seems to max out just under 90MBs read and just under 80MBs write. (128GB Samsung Evo+ white)
    also tried with one of the other in Samsung's new line micro SDcard.. the blue Samsung pro 256GB, and it was the same speeds on the Xiaoxin p11pro2021, so it seems to be the max.
    IMO the new Samsung Evo+ (white version). more or less same as the old Evo+ (red) and the new Samsung Pro blue, it matches my Sandisk extreme pro when testing on laptops.
    Samsung does label this blue Samsung Pro with 160MB read and 120MB write but was not able to get those readings, on a thunderbolt3 TypeC port on Porsche Book with a TypeC 3.0 pr 3.1 SD card reader.. perhaps if I use a USB3.2 reader, though, at around 45USD delivered for 256GB with incl. danish 25%VAT, it's not a bad value these blue Samsung Pro cards with MicroSD card speeds around Sandisk extreme pro.
    but the Samsung Evo+ (red or the white version), is still the best bang for the buck MicroSD cards as those you can get at around 15USD.
    A1 app microSD card test with white 128GB Samsung Evo+

    cards https://i.imgur.com/NgioSIA.jpg

    The UFS3.1 system drive.

    Netflix specs.

    Antutu run.

    Audio codecs

    The cameras are nothing to write home about, it got 4, two in the back and two in the front..but I don't know which CMOS sensors Lenovo is using, but the Lenovo camera app is utter garbage and third-party apps didn't seem to elevate any higher res on video then the 1080p30 that is low (2mpix) for a 13mpix sensor..
    So Its a mixed bag, and the overall Lenovo software and the camersa, leave a lot to be desired, but all the other things..gives a flagship vibe, and with the price in mind, its in my view the best bang for the buck Android tablet - in the second half of 2021.

    I hope OS13 is being channeled through the OTA channel, at a given point and not only as a manually install..
    2
    Anyone answer me please
    Dear 3bo0od, I bought the Xiaoxin pro pad 2021 from Giztop last month (actually typing on it right now) and it has the China - translated English ROM on it. I can install all apps on it (Google, Play etc.) and now even use if for work (with all the Microsoft apps installed on it). The English translation is ok, but as a near-native English speaker there are some funny translations noticable.

    With regards to L1 for Netflix, I can confirm it runs HD quality on Netflix without issues. When I got it, it had 2 updates ready which I installed after 2 days of waiting. It simply updated Android and I still have L1 with Netflix. I will see if I can take a screenshot later.

    As a European user, I was tempted to buy the P12 European tablet (not sure if it is available already) due to the ROM and English-translation issues. But honestly, the tablet runs great and the price on Giztop was fine. Better than Banggood if you want the keyboard with it as well.
    2
    We took a slight gamble getting a tablet with these specs for £350. It's not the end of the world. The OLED screen is OK. Bright scenes are fine but shadows are massively crushed and dark screen uniformity is horrendous. Also no global ROM with widevine level 1. No massive issue if your native language is English as the Chinese rom is totally fine.

    In hindsight you'd be better off trying to get a better deal on an Samsung Tab S7+ with better AMOLED screen and Native HDR support in nexflix.

    On this screen dolby Vison is no better than normal HDR. Losing to go the Samsung is no great loss.

    The P12 Pro with its Amold screen with chinese and global varient looks the safer bet.
    1
    hello I need the global firmware of zui 12.5 for lenovo TBJ716F Someone who knows a repository where I can download it, or someone who has a copy of the firmware thanks
    1
    Ive been using this tab for a couple of days. The ROM is just a cleaned-up Chinese one, it has English language and gapps. However, the only major problem is that ZUI doesn't let apps from google store function in the background, as a result, all the messengers, e-mail apps, youtube, etc, basically all the apps that should notify you about anything don't do it. If you're working in the app and shortly after you've closed it - yes, you'll get a notification, but not after it has been cleared from the memory. It is not the first time a Chinese ROM behaves this way, so maybe anyone has some suggestions?