yashsingh1/xdaforums huggingface dataset:
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Bro there is a problem occuring...when i using old boot.img then the rom will not booting...☹️ .Bro tell me are you doing any edit in your boot.img which you used in Miui Roms
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Yes i use new boot.img you can use it in your rom

Change zimage and ramdisk asper your mobile.

Like mt67xx files and other files.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Bro if i give you our boot img then can you modified it for booting miui roms...Kernal And chipset is same as Lenovo vibe k4 note (3.18.19 mt6753)
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Ok give your original boot.img
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Ok i will giving you our boot.img from which we booted miui 10 roms...
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
No give your stock rom letest boot.img
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Stock rom Image (Coolpad -mm -6.0)

https://drive.google.com/file/d/1-ikrsKbLECOvqP_D5b4IdXCrqXlwSJyF/view?usp=drivesdk
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Ok i will make new .
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] moatazwiza:
for naw FP not available and i testing performance naw
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] moatazwiza:
Ok after 1h I don't see any lag

" Watching YouTube , lesion to music , and social media app like Face and insta and Twitter ...

No lag happened and Fp not available again after reboot
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Thanks Bro For Your Precious Help ?...Bro is it necessary to flash magisk after flashing Rom ?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] luigge:
Hello again sonu thanks for the excelent work. Is there any possibility for you to put nfc in this rom? just getting the source from stock or something? because would be an excellent rom if had nfc...
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Thanks
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
This is your boot.img magisk not necessary.

Miui pro will take atleast 25 minutes to boot.

https://drive.google.com/file/d/1-16f71rlVHoIaxe9g1dnjTZvbkOpQPth/view?usp=drivesdk
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Bro you are awesome ?...Bro can i use yours meta -inf . means which is in Your Miuipro 9.3.28 Included
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Yes no problem.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
I tried so hard but different chip and device not working.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Pravin G.:
Sorry something went wrong....Tomorrow I will provide update on it...
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Bro what was the reason behind modifying yours Boot.img...is there same issue which i have ?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
What issue not booting?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Pravin G.:
Is there any way to stop/hibernate background apps in this rom (Miui 10 global) cause ram left only 1.3 GB approx which makes games like PUBG getting too laggy....

Note : I used Hibernation apps from play store but no improvement seen.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Yeah bro not booting
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] heats1nk:
I tried using Aggressive Doze on Greenify and Naptime but they don't seem like they are working. Right now I am relying on MIUI's battery optimization. If any solutions found, do tell.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Pravin G.:
Still facing same issue....
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] @Deb:
Hey bro..My rom is booted using yours given boot img but Volte is not Coming after that?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
In build prop don't change miui local region

Leave that RU.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Pravin G.:
Can you provide your recovery ?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
https://androidfilehost.com/?fid=1322778262903981010
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Pravin G.:
Thanks
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Mo3bdlaa:
Hi sonu,

Thanks for your hard work man i appreciate that

What's changelog of the new final global rom
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] exxand:
Thankyou for your work sonu, I appreciate that, but if I'm install application from playstore, it needs to reboot, and than starting to download, And need reboot again, to show application in launcher.

If I reboot my lenovo, all aplicatian like whatsapp, telegram, etc need to check permission again.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Use global ROM Miuipro has this type of problem.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Legend21:
Can anyone send Dolby dts zip link which was earlier available.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Global stable final-2 updated

Global stable final-2 Updated

Improved UI smoothness.

Original Axon Dolby Atmos added.

Sync s-300 Update.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] exxand:
[/COLOR]

Thank Sonu, but It is normal when isntalled applications from play store? Need to reboot again?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
All normal.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Putra•Hoop:
Hey Sonu! When i open instagram, all video posts look broken with raibow color on it. What happen?:rolleyes: And this rom still a little laggy:mad: please answer it bro;)
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Final-3 [ 11-03-2020 ]

It's fully new rebuild zip.

Install and give feedback.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] xwnqq:
link?

Thanks for hard work!
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] nyotowijaya:
Can't find link

Where is the download link? On page 1 I could not found any link to download this rom. Thank
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Tomorrow 13-03-2020
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] nyotowijaya:
ok. thankyou very much
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] xwnqq:
time? :confused:

:good:
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] ilyassoneji:
Aaj 14-3-20 ho gayi

Link??
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] KaloqnStankulov:
I am waiting too , with impatience :) :good:
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
FP still not working, downloaded this updated one from 16-03-2020.

Call Recording working, not yet checked Battery performance but Whatsapp gave a hard time configuring with company email address, had to change Google GSuite settings for Android devices to none -- was going into loop asking for Pattern unlock because FP is not working.

Can you please fix it ?

---------- Post added at 12:49 AM ---------- Previous post was at 12:20 AM ----------

Just now realised some new bugs with this updated version of 16th March 2020.

1. On home Screen, when I press the Menu Button -- (even though under Buttons in Additional Settings I have set to Show Menu) Yet it shows Recents menu. I have set Recents to Long Press Home Button. So we cannot pull up the Widgets options when we press Menu button. To Get Menu I have to Long Press on an Icon and Pull to another Screen then I will get the Menu Selection at the bottom where I can select Widgets / Settings / Wallpaper.

2. After switching Networks from Sim1 to Sim 2 (Sim 1 on Jio and Sim 2 on Vodafone) then data doesn't start on Sim 2 (also checked Vice Versa with physically changing sims. I have even tried with Vodafone and BSNL -- same issue. I have to Reboot the phone. Also After reboot The preferred Network Type gets stuck to 2G therefore Jio doesn't work -- after this I have to force shutdown and Reinstall the ROM.

How to Fix this ?

Please fix the Data Switch Bug .. its very annoying also the FP Bug ..
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] exxand:
It is updated final 4?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
All bugs will fixed.

Ok all bugs you mentioned I will try to fix tonight.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Sorry !! Final '4' mean ?:confused:

---------- Post added at 11:43 PM ---------- Previous post was at 11:20 PM ----------

Ok so Sonu !! You can ignore the Data Sim switch issue for now, I tried the Data Sim with Airtel and Jio then it gives me the correct switch Over and doesn't get stuck on 2G in Preferred Networks, apparently Vodafone in Mumbai is giving its users a hard time. So what was happening (I have same issue on a Xiaomi Mi Max 2) is that after switching data sim to Vodafone (on Sim 2); then Vodafone loses networks or gives just 1 or NO signal bars. I think its something to do with the Modem files from Miui ... its broken somewhere; we had raised this Mi Dev (beta team) in Miui 10 as well as now in Miui 11.

But yes, that Finger Print Sensor bug needs fixing; not that I can't live without it.

Another Bug found --

1. After reboot on First Flash the screen is Yellowish in color (Same like when Reading Mode is Turned ON) -- then I figured that the Reading Mode and Normal Mode are reversed -- Don't know if that's its supposed to work but when I turn ON Reading Mode the real normal Blue Color comes up; but its in Normal mode then the screen is Yellowish (That Warm color instead the Cool Blue Color) -- On another phone its that other way around.

2. I set Long Press Menu Button to bring up Google Assistant -- but it doesn't work (nothing happens -- instead again it brings up the Recents Menu when I release the Long Press)

No other bugs found till now but will keep posting !!

And Yes Kudos to you .. Otherwise the ROM is pretty cool and is a Daily Runner for everyone who want to enjoy Miui over the stock MM from Lenovo Vibe. The sound is great and Dolby as well as Viper work very well together.

I was using an Oppo A5s (from company) since past few months but even though its a good phone the sound from the speaker has too heavy TREBLE (considering OREO) so music from the speaker just can't match the Lenovo K4 Note. :good:
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Stable-5 [ 18-03-2020 ]

Stable-5 [ 18-03-2020 ] updated

I hope FP working in this zip.

Confirm that.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Bugs in Final_5

The last fix of 19-03-2020 --

1. FP has been resolved ...

2. Menu button still shows RECENTS continues

3. Long Press Back Button has now moved from Force Close existing App to Single Back (force close doesn't work), now the long press just takes us back to the previous screen and doesn't Force Close the app/action

4. Menu button single TAP still brings RECENTS

5. Switch on Data Sim has been resolved -- now I cans seamlessly switch between DATA sims.. (Awesome work)
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Sonu ! Are you planning to release a new update on this ROM ? The Force Close Back Button has stopped working, Also the Menu button brings up recents menu is still pending.

For temporary purpose I have shifted to you other ROM from Nubia as the battery is pretty much better than this Miui 10 version; however the buttons customisation is what I miss between the two ROM.

The Nubia ROM has great sound output too so what the heck ... maybe I will continue with Nubia ROM .. But thank you so much for contributing to the community.

Cheers and Adious !
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
I will release last update of both ROM in next two days I'm working on UI smoothness.

For your bug it's very less chance to fix because of different device and different IC chip.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Lenovo K4 Note

Why different device ? Is this not for a Lenovo K4 Note (A7010a48) with 3GB Ram and 16GB ROM ?

Its a mediatek processor MT6753 ..

Unless you are referring to the Nubia processor which is definitely different or the Xiaomi Note 4 MTK processor. I am a bit confused here.

However, its ok with whatever you release -- You have done a fantastic job.

---------- Post added at 10:29 PM ---------- Previous post was at 10:26 PM ----------

Guys ! Has anyone tried to play PUBG Lite or the regular PUBG on this device with this specific ROM ? Doesn't it a lag a lot when deep into the main gameplay ?

I was trying to get the Chicken Dinner and LOL !! The phone froze for about 2-3 secs and the other team stole my Dinner ?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Different device means both the ROM ported from higher processor lik mt 6755 and mt 6797.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Lenovo K4 Note

Ignorance is Bliss in my case ! And do apologize, so what you are saying is that our processor on the K4 Note is a lesser powered processor and porting ROMs from a higher powered processor does make a difference ?

I am learning now !! That's great enhancement of knowledge for me..

However, on the MIUI Rom please try to find the RECENTS / MENU / BACK button configuration and then this ROM will be the best for our Lenovo K4 Note and let it rest there.... Don't worry and take your own time until the final release can be done.

Anyways and either ways after using an Oppo A5s (with horrible sound; else everything is fine in this phone) given by my company with 80GB data per month (no limitation on per day) the sound of Lenovo K4 Note is peaceful and great to my ears. On the other hand the Oreo based Oppo sounds like a 1980s/1970s Radio Transistor and the Treble is so shrill that Music / Videos enjoyment is just not there.

Sonu ! You have actually given me peace of mind thinking about the two brilliant ROMs for our device from Miui and Nubia.

Just take your time and release a brilliant piece of art from your research stables and make us all happy ..

Cheers and take care.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sang bùi:
Hi.

I think I need a patch for this rom, it will fix the flashlight in the notification bar.(Miui 10 Global V10.2.1.0)

https://drive.google.com/file/d/1ErrqyzIBtEVPQLxIXT22gysJOfoIMWnm/view
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Last final-6 zip

Hello miui user this last final-6 [ 22-02-2020 ] zip

I'm uploading.

UI Lag fixed

Long press back force closed working.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Wifi Not working issue has been resolved.

This issue has been resolved and can be safely ignored.

Issue was in both Wifi routers / for some reason the MAC of my Lenovo phone got automatically entered in the Block list.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Ramshu97:
First of all thank you very much for your time and effort to make this port ROM, I'm facing a small issue with the Airtel simcard unfortunately all the Airtel simcard not working on the phone even not showing the signal, when I tried with another carriers like idea bsnl working smoothly. Any help really appreciate
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Miui Pro 9.2.14

Miui Pro 9.2.14 Updated

Please note First boot of this ROM will take upto 20 min so don't force switch off your mobile let the ROM Boot normally.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Have you tried with Airtel Sim in Both Sim cards ? Also note that Airtel has upgraded their Signal towers.

when you perform a manual search for networks does it show Airtel ? Are you able to connect to Airtel manually ?

else try flashing the ROM again, please do a Clean install and not Dirty install. Also check in Preferred Network Type is it set to 4G ? If yes then check if you can network with 3G.

---------- Post added at 02:53 PM ---------- Previous post was at 02:50 PM ----------

Hey !! Awesome gift for us during Lock-Down days ... Will install and update here my findings ..

BTW that Nubia ROM was a killer; awesome battery (definitely better than Miui 10) and also great sound .. Totally freakin' out with YouTube Music app ..
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] ishan81:
Is there any chance this flashable on a lenovo K51c78 ( X3 lite 3GB RAM 16Gb - Chinese version of A7010a48 ) . I think the IMEI will get messed up but I think it can be repaired after
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
You can flash but if you know about replacing files in boot.img ? Then I can guide you for make this ROM for your device.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Guys please note that it took more than 20 mins on my phone -- even though my SD Card (32GB Class 10) has over 20GB free space, please also note that the ROM starts in Russian language so please change language of the keyboard (unless you understand Russian language ;))

But this ROM is pretty good too .. I miss the Miui Music App with Hungama but not losing anything as I have it on my other Mi Max 2 phone ..

Will test the Battery / performance / other bugs and post here my findings.

Good Job done Sonu !!

---------- Post added at 06:49 PM ---------- Previous post was at 06:00 PM ----------

Hi Sonu !!

I have downloaded the Miui Pro last update and here are my findings.

1. Phone's First Boot starts after 24 mins (approx).

2. Phone starts in Russian Language and needs to be changed to English Keyboard

3. Lots of heating (playing music videos at 780p) while playing Online / Offline videos .. the back panel gets really hot -- never faced this issue during using with Miui 10 Global or Nubia Rom.

4. UI is lagging a bit especially while switching Apps and in other apps like Outlook, Gmail, Google Chrome etc

5. Sound is fine however while playing a Video/Audio player and then switching Apps the music output stutters as though its lagging.

6. Screen looks Yellow unless I turn ON reading Mode to make it into a Blueish tinge otherwise the screen has a WARM look to it.

7. Viper/Dolby both work too well -- best sound output

8. Have tested networks and Vodafone has low network issue (maybe its a problem in Mumbai right now however with Airtel too I was facing the same issue). JIO works great

For the heating problem, I have attached a Bug Report don't know if that will help but just see.

https://drive.google.com/open?id=1-01uTwZUSdO9dDv2ksBseVW9Kra9H3SO
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Anyone know how to unroot the device ? My finance apps are not working with Rooted ROM
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] ishan81:
---------- Post added at 12:21 AM ---------- Previous post was at 12:17 AM ----------

[/COLOR]

I did a twrp backup of my rom and Flashed your rom via twrp today. But I didn’t get passed the mu boot animation . If you have time please let me know how I can flash this room. There are a lot of similar post of people in my situation with no custom roms available . My understanding is the k51c78 is the chinese version with the same internals as the k4 note but the k4 note Is global version with global rom.

When you mean replace boot.img do you mean unpack the zip and replace the boot.img from my current rom ? Please explain further
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
If you flashed the ROM (btw which one Miui Pro / Miui 10) either ways you need to wait at the Miui Logo screen for a minimum 20-25 mins with phone connected to a Wall Charger). If nothing works then flash the ROM again with a Clean install, select all WIPE options except SD Card (so basically everything above the SD Card selection; nothing below that)

Again, what he meant by boot.img flash is to download the latest STOCK ROW Rom from the links provided and extract the Boot.img file and flash it via TWRP.

---------- Post added at 11:11 AM ---------- Previous post was at 11:06 AM ----------

New bug found,

Flash light in the Notifications Bar doesn't Turn ON even after several attempts to TAP on it.

The Heating issue is tremendous with me and the heat reaches all the way to 51 degrees and the phone feels like a Hot Cup Cake during extended usage during calls or whatsapp or even browsing or watching Videos. Once it heats like hell then I have to put the phone down till it cools.

Vodafone/Airtel issue still continues on both Sim 1 / Sim 2

BSNL both 4G as well as 3G work well (some tweaking of the APN need to be done however max speed I get on BSNL is 3-4 Mbps)
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] trimtri:
Try open the rom zip and delete the magisk folder. Zip again and then flash.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Thanks ! Will do that and update here again,
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Thank You So Much .. that step helped .. I deleted the Magisk folder and flashed the zip and now I am good to go !! KUDOS to you !!

---------- Post added at 09:51 PM ---------- Previous post was at 09:50 PM ----------

Thanks Bro ! that helped ... I am back on the field for more action ;)
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] Ramshu97:
I tried on both simcard slots and still the same result no service, tried the manual network search option still the same, then I tried BSNL simcard and it's working normally, it's not supporting 4g whenever I'm switch back to 4g then it's shows no service, 2g setting network back to normal, tried clean install still the same.

Any help really appreciated
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] KHARISHK:
[youtube]u7ftaisRVhI[/youtube]
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
Check in Preferred Network setting if it set to LTE/4G .. By default for some reason this option has been turned off and needs to be selected manually before we can get 4G on any network.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
[MENTION=8603140]Sonu[/MENTION] ! I was using this ROM Miui 10 Final-6 extensively (today and yesterday) and found that the UI gets very laggy when using Google Apps especially Google Meet Hangouts. So I was on a con call with Google Meet and then tried to use the Outlook app for email and the UI began to freeze and release. Nothing else is running in the background, not even Whatsapp. Did several reboots to try to fix the issue however in vain.

Any idea how to fix this issue ? I flashed this ROM on sunday morning thinking it will help me for business purposes instead its got more laggy than earlier.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
I am working on lag and SRS sound.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] exxand:
Hi Sonu, I used this ROM for a weeks its very good. But sometimes freezing, and auto rotating is not working, so my phone only always in portrait mode, no landscape mode. I hope you can fix it. Thankyou.
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] riteshpawar:
The Auto Rotate needs to be activated manually, however only some apps will have landscape mode as this is Marshmallow which did not have landscape fully incorporated. However you may want to change the default launcher to maybe NOVA or something else to achieve Landscape mode.

The freezing and lag issue has already been reported and Dev is working on the UI lag (freezing like stop and go type), the UI starts pretty promising however during moderate to heavy usage the UI begins to freeze. I have noticed that while typing in Whatsapp or typing an email in default Email app or Gmail or Outlook app letters go missing because the touch at times becomes unresponsive and then extra spaces get typed.

Are you able to use the FP ?
[Lenovo Vibe K4 Note ROMs, Kernels, Recoveries, & O] sonu779230:
Stable final-7

Stable final-7 updated [ 01-04-2020 ]

SRS sound cfg added.

Audio parameters upgraded.