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[Please help] Acer zest T06 touchscreen urgent help

#1

Hello smart people !
Please someone can help me, please?
I have an Acer T06 that I am using just like a paperweight
I have installed the wrong twrp because the link was wrong: https://forum.xda-developers.com/and...st-3g-t3420325
After this, the touchscreen is no more working. Mouse and keyboard are no detected.
In some micro-points the touch works, but just in some moment.
Pressing and swiping repeatedly with the palm of my hand, I am even able to unlock the screen, sometimes.
Now I have the right twrp installed and I am working in adb via a modified twrp that supports adb.

- I did a test with SP flash tool --> Error: nand flash was not detected. Error: UFS was not detected.
- Factory kit test gives me this error: firmware detected failed, ctp firmware version (provide by ctp vendor): b1.
The following values are read from the tablet!!
ctp firmware version: a1
ctp driver: Himax852xes_himaxctp.
I have formatted all and reinstalled all with sp flash tool and SP MDT tool, but the touchscreen still does not work.
I have formatted all and re-installed via TWRP: the same.
I can not install apps into phone because I can not use the touchscreen.
In some micro-points the touch works, but only in some moments.
Pressing and swiping repeatedly with the palm of my hand, I am even able to unlock the screen, sometimes.

I have asked almost everywere, but nobody is able to solve this problem.
Please, there is someone able to help me, please?
Otherwise I have to resign to throw the almost new phone in the trash.
I thank you in advance to anyone will try to help me
Greetings!


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#2
https://forum.xda-developers.com/android...g-t3420325 is the right link.
Sorry, I did wrong link.
Anyhow, the link to the bad TWRP was deleted, now the TWRP on the website is good for Acer t06.
The problem is that my touchscreen does not work no more.
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#3
(01-18-2017, 10:59 AM)MasterSheea Wrote: Hello smart people !
Please someone can help me, please?
I have an Acer T06 that I am using just like a paperweight
I have installed the wrong twrp because the link was wrong: https://forum.xda-developers.com/and...st-3g-t3420325
After this, the touchscreen is no more working. Mouse and keyboard are no detected.
In some micro-points the touch works, but just in some moment.
Pressing and swiping repeatedly with the palm of my hand, I am even able to unlock the screen, sometimes.
Now I have the right twrp installed and I am working in adb via a modified twrp that supports adb.

- I did a test with SP flash tool --> Error: nand flash was not detected. Error: UFS was not detected.
- Factory kit test gives me this error: firmware detected failed, ctp firmware version (provide by ctp vendor): b1.
The following values are read from the tablet!!
ctp firmware version: a1
ctp driver: Himax852xes_himaxctp.
I have formatted all and reinstalled all with sp flash tool and SP MDT tool, but the touchscreen still does not work.
I have formatted all and re-installed via TWRP: the same.
I can not install apps into phone because I can not use the touchscreen.
In some micro-points the touch works, but only in some moments.
Pressing and swiping repeatedly with the palm of my hand, I am even able to unlock the screen, sometimes.

I have asked almost everywere, but nobody is able to solve this problem.
Please, there is someone able to help me, please?
Otherwise I have to resign to throw the almost new phone in the trash.
I thank you in advance to anyone will try to help me
Greetings!

I need to ask a very important question.
When you flashed the TWRP the first time, did you flash only recovery.img or you flashed additional files like boot.img, preloader.bin etc ?
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#4
Thank you for your answer.
I have flashed only the recovery.img with SP flash tool.
I have used the scatter file of the official firmware.
Later, since the touchscreen was no more working, I did more attempts to restore it: format bootloader, reinstall bootloader, format all the partitions and reinstall the firmware, install via TWRP recovery. I have also tried 4 different versions of TWRP recoveries compatible with this kernel.
I have reinstalled different versions of the firmware.
No luck, nothing done.
In general, the phone works very good with all the firmwares I have tried; the only problem is the touchscreen.
I hope to hear from you soon.
Greetings!
Reply
#5
(01-18-2017, 11:24 PM)MasterSheea Wrote: Thank you for your answer.
I have flashed only the recovery.img with SP flash tool.
I have used the scatter file of the official firmware.
Later, since the touchscreen was no more working, I did more attempts to restore it: format bootloader, reinstall bootloader, format all the partitions and reinstall the firmware, install via TWRP recovery. I have also tried 4 different versions of TWRP recoveries compatible with this kernel.
I have reinstalled different versions of the firmware.
No luck, nothing done.
In general, the phone works very good with all the firmwares I have tried; the only problem is the touchscreen.
I hope to hear from you soon.
Greetings!

You should change the touch panel bro
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#6
Dear maxpayne,
Thank you for answering me.
I think that it is a software problem.
Or I have the wrong firmware.
Or there is some file .Bin/.img missing in my firmware folder.
Or I have to change LCD driver at boot in ik.bin.
Or I have to push the driver manually into system.
Or I have to re-calibrate the touch panel.
Some version of SP MDT allows to change driver at boot, LCD driver included!
Unfortunately, I can not find a version of this program working with my scatter.
I really hope that is a software problem... Otherwise I can really trash the phone.
The new touch panel for this phone costs almost like the whole new phone.
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#7
(01-19-2017, 11:56 AM)MasterSheea Wrote: Dear maxpayne,
Thank you for answering me.
I think that it is a software problem.
Or I have the wrong firmware.
Or there is some file .Bin/.img missing in my firmware folder.
Or I have to change LCD driver at boot in ik.bin.
Or I have to push the driver manually into system.
Or I have to re-calibrate the touch panel.
Some version of SP MDT allows to change driver at boot, LCD driver included!
Unfortunately, I can not find a version of this program working with my scatter.
I really hope that is a software problem... Otherwise I can really trash the phone.
The new touch panel for this phone costs almost like the whole new phone.

The components that could influence your touch screen are boot.img, preloader.bin and sometimes lk.bin (uboot.bin) If you've tried these three from multiple firmware to no avail then I think you just might have to consider changing the touch panel. Unless you're able to get a compatible LCD driver
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#8
Yes, I have tried all of this files, different revisions.
And the rest of the system works good; only the touchscreen is dead.
Maxpayne, I hope that you do not have right Smile.
Otherwise I must buy a new phone.
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#9
(01-19-2017, 03:06 PM)MasterSheea Wrote: Yes, I have tried all of this files, different revisions.
And the rest of the system works good; only the touchscreen is dead.
Maxpayne, I hope that you do not have right Smile.
Otherwise I must buy a new phone.

Bro, does touch work in TWRP recovery? If Yes, boot into Safe Mode --> https://forum.hovatek.com/thread-572.html
see if touch also does not work
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#10
No, touch does not work not even in TWRP.
I am using a modified TWRP that allows the ADB without to switch the screen.
So I can control the recovery by ADB.
I begin to think that I must resign to buy the new phone Sad
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