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Touchscreen not working on Pipo M9 Pro 3G version

Barbs20

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2014/01/04 - 17:25

Hi there, i've just updaed the firmware on my Pipo M9 Pro and everything seems ok until the welcome screen, the touchsscreen doesn't work on 80% of the tablet and the 20% that does work operates the opposite part of the screen (it's basically un-usable). The update is from the official pipo website (firmware version attached below), I have tried various other ROM's included Riley, Kasty etc and the same happens, boots up fine but touchscreen not working.

Anybody had experience of this before?

M9pro_software_3G&WIFI_english version_20131120

gg69

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2014/01/04 - 20:37

I have the same problem with WIfi version of m9 pro. But in my case i did the upgrading to 20131120 without any problem. But i'm facing the same issue when i tried to upgrade to M9pro_software_NO 3G_chinese version_20131226_Android4.4.2. I could use some help as well

Barbs20

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2014/01/07 - 21:45

Just been sent through another firmware update by Pipo (rk3188-1007-20131210.img), still no joy. Starting to think i'm fighting a losing battle now

cracktech

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2014/01/08 - 00:28

Are your devices OK before the upgrades? the touch screen I mean. then you should go back to the version #353 Novembers release. it is stable by then. down load the CWM recovery and then do a complete wipe of the dalvik cache/and nand memory before flashing a new firmware.

If before the upgrade your device is NOT OK then it is a wire or cable coming loose. I have no problems by using KASTY ROM from start out of the box till now.Please do a complete wipe of nand/dalvik cache before flashing any new version of firmware.It shouldnt be that ALL firmware you flash giving you the sticky touch screen issue (this is due to not doing a full format of dalvik cache delete and nand format from my experience)

The following users say thank you to cracktech for this useful post:

gg69

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gg69

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2014/01/08 - 10:18

I got the same recommendation from Pipo (rk3188-1007-20131210.img) but it didn't help. Just a minute ago i got an email from pipo telling me it is HW filer you need to add 10K resistance but it doesn't seems right because it was working before the upgrading. I will try CWM recovery method that you suggested. Thank you for the tip cracktech.Just question after erasing the dalvik cache/and nand memory via CWM I need just to turn off the device and flash it using e.x RileyROM flashing tool?

cracktech

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2014/01/08 - 11:31

Yes you do that! Wipe via CWM and then standby the RkBatchTool (on the PC) with the necessary firmware, now I recommend you use the latest Dec firmware version for Wifi only device and the latest for the 3G version (I dont follow that model too much, coz I have WiFi only device).

Please do a check up "under the hood" for wires that if not assembled properly at factory will come loose at our (customer) side.

After the wipe dalvik and nand (the device is in the ON/power On leave it at that) condition and with the RkbatchTool already loaded with the firmware *.img file, you can attached the USB OTG cable from PC to device (wait for the necessary communication/drivers loaded and start the flashing process.

Dont bother to read the upgrade guide (in MS Word format) that comes with the the RKBatch Tool, please read the attached file I prepared in *.pdf format.that instruction that came in MS Word format is counter to the one we recommend in the upgrade process. In there it says press the "upgrade" button whereas we recommend "restore" button (I have read in other forums that sometimes using the upgrade buttons can softbrick your device).

Hope that you are Ok with the instructions , and please do check under the hood or else return it to seller (if it is not from China!).

gg69

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2014/01/08 - 12:10

Thanks cracktech
I'll try it tonight I hope it works. cross the fingers

gg69

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2014/01/08 - 20:32

unfortunately it didn't solve the problem. I even cracked open the device to see if anything is loose. nope nothing.

Barbs20

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2014/01/08 - 20:55

Thanks for the advice cracktech, is there a way of running CWM recovery using my pc, I can't get access to the tablet because of the touchscreen problem. If there is no way of wiping dalvik cache through the PC I suppose I will need to purchase a mouse for tablet and run recovery from there?

gg69

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2014/01/08 - 21:53

Just connect USB mouse and keyboard through Host USB connection so you could navigate using mouse and the keyboard to navigate CWM.

cracktech

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2014/01/08 - 22:59

Yeah just like gg69 says just plug in any mouse wireless or wired through an OTG adapter it is the other usb port (not the one you use to flash) see picture it is the furthest to the left of the camera.(Micro USB to FEMALE USB OTG adapter).

But if the wipe and reflashing doesnt solve your problem I'd advise you to return the device to seller coz it might be hardware related (it was marginallly working after coming out of the factory). Dont use any software downloaded from China site (it is corrupted copy).

Please use this guide to ugrade your firmware and not the one that came inside the RKBatchTool folder.