yashsingh1/xdaforums huggingface dataset:
[Android General] michael08071984:
So i installed the proper Rom for our Device through the Link from vivek90. I tried severyl ways. i got a full flash with "format all + download". When i connect the charger it shows the empty Battery with a lightning then short a Battery with a blue wave at 78%. But it dont start. When i press vol+ + power it shows me the choose screen for normal, recovery and bootloader but no matter what i choose the Device doesnt boot.

Any clues guys?

---------- Post added at 10:14 ---------- Previous post was at 10:09 ----------

Guys its working again. I flashed again. Im currently in the setup process. YES Finally. Thank you all for the help!

---------- Post added at 10:17 ---------- Previous post was at 10:14 ----------

now its just turned off through setup process. Battery at 81% shouldnt happen?

---------- Post added at 10:20 ---------- Previous post was at 10:17 ----------

i turned it back on finished the setup process. now it turned off again. Maybe the Battery is still empty and only shows 82%? The Battery in Android says last charge 214d 8hrs

---------- Post added at 10:26 ---------- Previous post was at 10:20 ----------

When i try to start it now, it shows the splash screen and then an empty Battery icon with lightning. and nothing happens.

---------- Post added at 10:38 ---------- Previous post was at 10:26 ----------

Everytime i try to start it i only get the Battery sign now. No booting. the tablet says its at 85% cant believe that. So frustating.
[Android General] michael08071984:
I've tried to get into fastboot to install twrp for a better recovery, for a full wipe:

C:\Program Files (x86)\Minimal ADB and Fastboot>fastboot.exe devices

???????????? fastboot

C:\Program Files (x86)\Minimal ADB and Fastboot>fastboot.exe oem unlock

...

(bootloader) Start unlock flow

FAILED (status read failed (Too many links))

finished. total time: 6.805s

---------- Post added at 14:20 ---------- Previous post was at 14:06 ----------

At the moment it doesnt turn on again... i could take it and throw it out of the Window.
[Android General] vivek90:
Did you try full reset from recovery.

I would suggest to open the casing and disconnect the battery & connect again.

Note:- U need to have soldering skills.

I have this device for 15days, im in love with this OS not an issue oreo for another year.

This device throttles a lot due to heat it puts out, so modded myself installed copper sheet up and down of the board.

Now it runs cool but buffering still persists.
[Android General] zelipukin:
Michael, so "unlock" didn't survive through all of this ?

It's a tricky situation because, as of my understending, you have to switch "oem unlock" in android settings first.

Old info in userdata partition may prevent the device to boot into system.

You can erase userdata from fastboot

fastboot erase userdata

or may be better

fastboot format userdata

never tried, so dont know what work
[Android General] NikosD:
What behavior makes you think that is throttling a lot ?

Can you describe it a little in order to understand if it throttles for me too ?

Also, what do you mean by buffering ?

I have noticed that the CPU gets hot, only when the two fast A72 cores at 2.3GHz are running in 100% for a few seconds and more.

But I can't figure out throttling and I don't understand buffering.

Thanks.
[Android General] kelu:
Hi Nikos

I read up to page 44 back, and people started solving the touch screen issue after Christos provided his backup.

So Instill do not understand what the original boot and vendor imgs are: for me are the ones in the other rom, the 20180801 that I already applied, which means they do not work?!?

What should I do with MagicDisk and TWRP, root the tablet before? I thought all I need is spflash
[Android General] Christos2714:
Chaps, I confirm that conform post No 1 from infect_ED the new version with the red button(the one I have supplied the backup) can be decrypted.

Just follow instructions. The only way to do that for now is to connect a mouse otherwise TWRP cannot be accesed due to screen offset.

Now my internal drive and data are accesible by TWRP and everything is working. The only downside is that you must wipe the data partition and you have to install programs again. But it was worth it.

Thank you infect_ED for your hard work!

Guys just to clarify one thing; My backup does not have nvram and nvdata partitions on it. This is done on purpose because my IMEI is stored there.

When you use spflash tools to flash the backup to your tablet in dowmload mode it should be ok as your own nvram and nvdata partitions will not be erased.

When you use spflash tools to flash the backup with the format+download option then yes you will lose the IMEI.

So be careful with your nvram and nvdata partitions as they are unique for every phone.

Will anybody please do a working TWRP for this tablet? Its really stypid to carry a usb type C mouse to access TWRP when you can do it directly on the screen. Anyone?
[Android General] KilgoreT:
Like I mentioned before. If you just want to restore your tablet after flashing wrong firmware from Chuwi website:

For that you don;t need OTG file. IMEI number is stored in your radio modules so even if you erase all with the SP Flash Tool - it will remain and can be restored. Just follow this steps.

1. Flash complete Christos backup

2. Flash new firmware from Chuwi website without ticking boot.image (CHUWI_Hi9Pro_3+32_20181115)

First step above restores your system and touch screen function (it's in the boot.img). Second step brings back IMEI and updated firmware.

If you are interested in rooting tablet you will need OTG mouse because Ed's TWRP doesn't have functional touchscreen on new Red Button. I used different method than is presented in the beginning of this thread. I flashed TWRP with SP Flash tool. This way I still have my tablet encrypted and OEM locked. Just remember to remove Chinese characters from name of the folder with scatter file. To use this method for rooting encrypted tablet you will also need to use microSD card to put there magisk zip for TWRP to see it. Otherwise TWRP can't see zip file on encrypted internal drive.

I used all above to restore and root my tablet and all works great except TWRP is semi functional - just like Christos said. Not big problem for me because I just wanted my tablet to be rooted.
[Android General] kelu:
Thanks KilgoreT for the detailed decription, will try this procedure tonight and keep you updated.

Hope the screen will come back to life after this :)
[Android General] kelu:
Hi KilgoreT

I flash the ROM from Christos2714 (CHUWI_Hi9Pro_backup_orig_O00623 release-keys OGS 20181226.rar) using SP Flash tool, Download tab and loading the Scatter_loading File from the ROM. I used all 3 options: Download Only, Firmware Upgrade, Format All + Download but in all cases, the screen is still not calibrated and I cannot use it :(

I tried step 2 as well, but anyways first one failed to restore the touch screen calibration :(

I did not tried TWRP as I did not root the tablet before and did not plan to have it rooted

Do you have any idea what else I could try ?
[Android General] KilgoreT:
I'm sorry it didn't work for you. There was a couple of users beside me who reported that Christos backup image fixed their touch screens. Are you sure that you erased everything and marked every line in Christos backup? Did you get big green tick mark bubble at the end of the flashing process?
[Android General] kelu:
When you say "erase everything" you mean used the Format All + Download option? if yes, I used that option as well with Christos backup. I see not other option to erase everything

I loaded the Scatter file and all the lines were checked, so I did not unchecked anything, just let it as it was when loading it then clicked on Download to start the process, connected the turned off tablet to the PC and pressed volume up

I got the big Green checkbox at the end saying it finished successfully :(
[Android General] KilgoreT:
If I remember right I formatted all first (there is Format tab in SP Flash Tool.) But it should be the same as using "Format All + Download". Anyway it looks you made everything right.

I used SP Flash Tool v5.1824.00

After flashing Christos firmware and firmware from Chuwi website (without boot img.) that's what I get:
[Android General] nikaiako:
You can try to flash this boot.img as a last resort.

Just check one box, "boot", and flash it in the "download only" mode using Christos2714's scatter file.

If you still have the 20181226 FW (Christos' one), then you should get the following picture:
[Android General] kelu:
I used as well Format before then also the Format All + Download but still same issue

I was using latest SPFlash 5.1916 and downloaded the 5.184 and gave it a try, same result :(

---------- Post added at 07:45 PM ---------- Previous post was at 07:43 PM ----------

The link on the forum gives me a 404 error when clicking on it, do you have this file by any chance saved locally?
[Android General] KilgoreT:
I have no clue. Maybe some crazy error that you put scatter file in some other folder and you downloaded other firmware? First you can check if you really formatted all by turning on tablet after this operation. If it's really without system (as it should) than you can consider changing location of all files (Sp Flash Tool and Christos backup folder) on your computer and try to download again.

Christos backup is a file with name CHUWI_Hi9Pro_backup_orig_O00623 release-keys OGS 20181226.rar It has 990484 kB size in Windows Explorer.

When did you buy your tablet? I ordered mine on bangood on March 20. As far as I know this is the second version of the hardware for Red Button Hi9 Pro.
[Android General] nikaiako:
Here it is (I also corrected the link in my previous post) https://www.dropbox.com/s/2ey9xrpep29l2ob/patched_boot_20180801_for_magisk_19.1.img?dl=0

(Let me remind you that you have to flash just the boot.img, nothing else)

And if that doesn't work for you, then try to flash this one https://www.dropbox.com/s/52s40rt05ysp8j6/boot_mod.img?dl=0
[Android General] kelu:
Thanks Nikaiako, will try tonight

But to flash only the boot.img, do I need to use the SP Flash tool with a Scatter-Loading file that I should create myself manually or just simply replace the boot.img with this one? So far I have flashed the files by using SPFlash tool and a Scatter-loading file which loads which files to flash, then I can check/uncheck the files needed to be patched.

Can I just rename the boot.img in the ROM from Christos to boot.img.BACKUP, then copy this file as boot.img in that ROM folder (replace the one that came with the ROM), load the Scatter-loading file and uncheck everything except the boot.img?
[Android General] KilgoreT:
I read your story and it's similar to mine. I don't remember how finally I managed to get registered on Chuwi site - probably I contacted someone besides Jeff and he told him to get back to work and let me in. In the meantime I solved my problem (thanks to Christos backup) so I only issued warning at the end of the thread. Looks like they ignored it - no new info on firmware. I could try to post there on your behave but frankly I lost faith in them.

I confirm that tablet has very nice screen but Chrome works pretty sluggish. I didn't investigated it farther as I bought it for my kids to play games, listen to audio books and read. (That's why I wanted it to be rooted - to save kids from ads.) Anyway, other downloads seem to work normally.

I checked, my tablet is listed as MTK6797d Helio X23 Deca Core: https://www.banggood.com/Original-B...p-1324740.html?rmmds=myorder&cur_warehouse=HK

Please note that there is even a difference between link name (X20) and content info (X23) Good news is that CPU Z shows the same version that you mentioned: Mediatek Helio X27

I have no more ideas other than:

1. Use your warranty. Maybe it makes them talk or you just return tablet. Chuwi can be held responsible for wrong updates.There is also a chance that your digitizer is physically damaged but it's hard to imagine that it coincided with the update.

2. Use tablet with OTG mouse and wait for new firmware to emerge.

3. Try to experiment some more with flashing process. My folder structure is: any folder and inside it SP Flash Tool folder and Chuwi Backup folder - side by side. Try to flash boot.img provided by Nikaiako. One thing is sure: touch screen code is inside boot.img.
[Android General] kelu:
Thanks KilgoreT

I sent another email today to chuwi and they finally activated my account (used the complete data with the UID number that I could see in my profile).

I posted my experience in the threads about the OTA update, let's see if there is an answer from them:

https://forum.chuwi.com/thread-8818-2-1.html

I contacted already Gearbest to ask what is the warranty in this case and they asked me for a list of things, hopefully I can answer to them tonight.

Maybe they will release this month the Android 9 ROM as promised in the past ... but I seriously doubt that :(
[Android General] nikaiako:
To flash any boot.img you need the SP Flash Tool installed directly on your PC's disk С\: and you should launch it with the administrator rights. And, of course, you need the scatter-loading file from the main firmware variant that is used.

I've got the same version of the tablet as you, i.e. CWI548. My idea is that you try to flash just boot.img from our initial stock FW using the 20181226 FW at the same time. The first one to flash is a 20180801 FW boot patched for magisk. By the way, it was already here https://xdaforums.com/showpost.php?p=79502624&postcount=563

The second boot for you to try (this one) is a patched boot from the 20181115 FW.

Both worked well on my tablet along with the 20181226 FW.

You can rename the file, but indeed there's no sense in it. You should just change the path to the boot.img in need in the Location section of the sp flash tool interface.
[Android General] kelu:
Hi Nikaiako

I tried both boot imgs with Download Only and only those files, same result ... second one resulted in a boot loop and restart :(

I then looked for info to contact back Gearbest and give them the info they need for the warranty, but looking at the back of my tablet it says: Hi9Pro CWI532 (not CWI548).

So even though I ordered an CWI548, they sent me CWI532 but I tried flashing as well the CHUWI_Hi9Pro_backup_orig_O00623 release-keys OGS 20181226.rar from Christos which is supposed to be for CWI532

Do you know if for CWI532 there is also another ROM?

Looking on the gearbest for CWI532, I also found it listed :

https://fr.gearbest.com/phone-call-tablets/pp_009714655696.html
[Android General] nikaiako:
Hi Kelu. As far as I know there's only one rom for CWI532. It is the one provided by Christos, i.e. 20181226, and you can use only that boot.img. I have no clue to what happenned to your device then.
[Android General] KilgoreT:
I can only confirm. I've checked mine and it's also CWI532 according to the back cover. And Christos backup works.
[Android General] Christos2714:
Try this:

SP flash tools, load scatter from my bachup ROM. Then choose format tab. Then manual format: Begin data: 0x0000000000800000 , Format length: 0x00000747C0000000 . Press format. DONT CLOSE SP Flash tools. Go back to download tab and select download only and start.

See how it goes.

If still bad screen, enter recovery mode and test your screen to see if it passes.(See my post about how to do that)

If you are not confident on doing this than do not do it and see if you can return your tablet.
[Android General] kelu:
Hi Christos

I have 3 options in Manual Format Flash : EMMC_BOOT_1, EMMC_BOOT_2 and EMCC_USER

For the third one (default one) it gives me SP FLASH TOOL ERROR 8401

There is also behind the popup, in the app itself, just below the Format Lenth [HEX] input a message: WARNING! Calibration data is erased if begin address is 0

IS this calibration data the screen calibration data?

Should I select the EMMC_BOOT_1 or EMMC_BOOT_2 ?
[Android General] Christos2714:
Hi, NO no need to touch boot1 and boot2 go to EMC option. Start address leave zeros, and end address is 0x0000000747C00000.

After this is done, go to download tab, press download, remove and reinsert usb to computer.

I am going to upload a new ROM I made today, it shall be rooted, unencrypted drive, and mtk engineer mode functional!!! Just as the black button older brother! Still TWRP needs OTG mouse for navigation.

Be patient!
[Android General] Christos2714:
New Rooted ROM for Hi9Pro red button CW532 MT 6797

https://yadi.sk/d/rWu3WQXjY_m8XA

For anyone that needs the ROM for the red button CHUWI.

This is a combination of the latest ROM and the earlier black button one which was clearly better than the current red button one.

Now MTK engineer mode is working and we can tweak again the volume from speaker and microphone.

Magisk, SELinux switch and Busy box are already installed. The recovery is TWRP infect_ED, needs mouse to navigate.

The internal disk is not encrypted so TWRP sees everything now.
[Android General] NikosD:
How do you tweak the volume of speaker and mic using MTK engineering mode ?

Any other useful tweaks ?

Brightness maybe ?
[Android General] kelu:
Thanks Christos, will try it tonight, finger crossed :)

Any specific procedure to use with SP Flash or the Format All + Download option is fine?
[Android General] Christos2714:
Nothing specific.

Just use format all and download.

Do you have a OTG cable to connect a mouse if needed?

---------- Post added at 07:08 PM ---------- Previous post was at 07:05 PM ----------

Brightness can be adjusted directly from screen settings.

What exactly do you need to adjust with the brightness?
[Android General] kelu:
HI Christos

I applied it, but the boot remains on the CHUWI animation for hours :(

I have an OTG cable, I booted into recovery and I see the TWRP menu

Can I do from the menu a factory reset like it was possible before TWRP?

Or should I try something else?

Good news is that in TWRP I can click some options (not all), thus the screen work "a bit better" than before, but still not 100% which is why I assume I need to OTG
[Android General] Christos2714:
O.K.

Go to TWRP->wipe data, type yes->reboot.

TWRP works only with a mouse.

If you use the screen when you press all around the screen in various places do you activate anything? Because its offset something will happen. At least you know that the screen works.

Give it a try and tell me.

Otherwise I will give you my backup and then you can change the IMEI. You do know how to do that dont you?
[Android General] kelu:
Same result :(

The two options in the top in TWRP are Install and Wipe, if I click on them, they work

All the rest do not work

When I say they work: If I click slightly outside of the buttons, it does not work, on the edges or inside, it works for these two

So it seems the upper part is working inTWRP for me (the sort button in install is also working as it it in the upper part)

For the IMEI, I saw I can restore them with Meta Maui, I already took screenshots after flashing the 20180801 and the 201811something... so those numbers should be my two IMEI

According to youtube :), I can easily flash them back these numbers by entering them manually after

So my last hope is you full rom backup :) ... or order the Mi Pad 4 Plus and get killed by the wife :)
[Android General] Christos2714:
OK

Uploading now will give you the link on p.m.

Once it is flashed enter recovery mode(mtk recovery not TWRP) when it will say no command press power and volume up until the menu comes up. If you dont get it keep trying until it works. Then do factory reset, the power off the tablet.

Be shure no usb cable is connected to pc.

Open miaui meta, press connect, then plug in usb. Wait you should get connected. Change IMEI, restart.

Good luck!

P.S. Use flash tools 5.16.28(you need to choose the full scatter file from my backup and flash pgpt also)
[Android General] Christos2714:
Your IMEI nubers come with the stickers on the box. You should have plenty of those. You didnt bin them I presume?
[Android General] nikaiako:
Chuwi posted a kind of new firmware for Hi9pro on its official forum.

HI9PRO 20190105_o OGS

It is for tablets that are made after January 2019 (if I understood it correctly https://forum.chuwi.com/forum.php?mod=viewthread&tid=9501&extra=page=1&filter=typeid&typeid=92 ).
[Android General] Christos2714:
Well spotted!

I confirm that I tested the second one on my tablet and it works!

Finally!
[Android General] nikaiako:
From my side, I also confirm that it works on my CWI548 device, however only with the boot.img and vendor.img from the 20180801 FW.
[Android General] NikosD:
Is it better than our previous hybrid ?

What is the date of Android security patches ?

Is it Google Play certified ?

Netflix HD certified ?
[Android General] Christos2714:
Working TWRP for the new red button Hi9Pro

Chaps, I made it today and it works.

No need for a OTG cable to use a mouse.

Just use your fingers.

Enjoy!

https://yadi.sk/d/I_wwSRXZPsLJFg

---------- Post added at 08:43 PM ---------- Previous post was at 08:29 PM ----------

Niko yes it is!!!

Me to be ohnest im using the ROM from the previous black button as I like it more.

Until now there was no factory ROM from CHUWI for this tablet.

But now we have a working ROM and TWRP. Hurray!

P.S. I havent experienced battery or screen problems as I have read at the previous posts.

Mine works like a charm!
[Android General] nikaiako:
The android security patch level is the same - 5 October 2018.

The new hybrid fw didn't work well enough (occasional reboots), and I had to return to my usual hybrid. I did not perform clean install though, and may be that is to blame.
[Android General] Christos2714:
Could it be possible that your screen is damaged and only half of it works?

Put the latest ROM, plug mouse, go to developer options and test your screen. I think that's your issue
[Android General] Evans_jd:
See they've finally released a new ROM

After having the issue with the screen vs touch location before, I'm really hesitant in applying.

Any view on what benefit I would actually get if my Chuwi is working fine?
[Android General] nikaiako:
Hi, Kelu! Here is my link to a boot.img from an earlier version of the CW532 tablet. May be, this one is what you need to fix your touchscreen malfunction?

https://www.dropbox.com/s/m0na23ox8wdbe4k/patched.boot.for.earlyCW532.img?dl=0

UPD It seems to me now that there are THREE different HI9pro devices with incompatible boot.imgs: CWI548 with the 20180801 FW out of the box; CW532 with the 2081226 FW out of the box; and finally the early CW532 with the 20180801 FW out of the box.
[Android General] NikosD:
Our older hybrid ROM is not compatible with the MTK Engineering mode, though.

I tried it and failed to load it.
[Android General] jackspratt:
I have just received a new Hi9 Pro - X23 (as ordered, though Droid Info shows MT6797X), red button.

Android version 8.0.0

Baseband MOLY.LR11.W1630.MD.MP.V67.2,2018/06/15 17:37

Build Number 000623 release keys OGS 20181226

I have checked the OTA Wireless Update app, which says "Current".

I have no interest in rooting, or ROM'ing

My question is - am I up to date, and if so, do I need to worry about the firmware update from the Chuwi forum, as referred to above?

Thanks

Edit and update.

The touchscreen is not working. It is stuck on the opening lock screen, and I cannot switch off or re-boot.

Not a very promising start!

Update 2:

Rebooted as suggested by NickosD late last year, using the pin into the small button directly below the volume switch.
[Android General] NikosD:
I think if you insist on pressing the power button for a long long time continuously, eventually the tablet goes to sleep (power off).
[Android General] jackspratt:
Thanks Nikos.

Any comment on my first question, re worrying about the update on the Chuwi forum?

Cheers
[Android General] Vihru:
hope android 9.0 will come
[Android General] NikosD:
According to this article, Chuwi took back its initial promise regarding Pie upgrade for all recent MediaTek tablets:

https://www.tabletblog.de/chuwi-tablets-android-9-pie/