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Inverted Touchscreen Fix for MID-2330-S


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#1 nikkojames

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Posted 12 February 2013 - 11:43 PM

After many failed attempts to reflash this MID-2330-S tablet (similar looks to YeahPad A13), I finally found an almost perfect ROM. However, the touch input is inverted. Here's my lsmod:

lsmod:
app_78@android:/ $ lsmod
8188eu 621096 0 - Live 0xbf1f9000
8192cu 575431 0 - Live 0xbf0b3000
rtl8150 10305 0 - Live 0xbf0af000
mcs7830 7581 0 - Live 0xbf0a9000
qf9700 9152 0 - Live 0xbf0a2000
asix 24601 0 - Live 0xbf096000
cedarx 9351 0 - Live 0xbf08f000
sun5i_csi0 33255 0 - Live 0xbf081000
gc03082 18524 1 - Live 0xbf078000
gc0308 18408 1 - Live 0xbf06f000
videobuf_dma_contig 6251 1 sun5i_csi0, Live 0xbf06a000
videobuf_core 20242 2 sun5i_csi0,videobuf_dma_contig, Live 0xbf060000
gslx680 51796 0 - Live 0xbf04f000
mxc622x 6088 1 - Live 0xbf049000
mecs 4078 2 - Live 0xbf045000
mali 150716 16 - Live 0xbf013000
ump 49098 27 mali, Live 0xbf000000
app_78@android:/ $

Is there any way to fix this without installing another ROM, or if possible, can I edit the current drivers to correct their X and Y values?

#2 nikkojames

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Posted 13 February 2013 - 10:55 PM

Alright, since got no replies I searched around the forums and found a method that edits the script.bin and script0.bin within the firmware. Tried unscript, edit, script method, flashed the new ROM, and ended up in a completely blank screen (not even backlight). Tablet seems to turn on, though I have no way to determine if I broke anything else since the display is out. :(

Edited by nikkojames, 13 February 2013 - 10:55 PM.


#3 nikkojames

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Posted 06 March 2013 - 07:08 PM

Alright, since got no replies I searched around the forums and found a method that edits the script.bin and script0.bin within the firmware. Tried unscript, edit, script method, flashed the new ROM, and ended up in a completely blank screen (not even backlight). Tablet seems to turn on, though I have no way to determine if I broke anything else since the display is out. :(

UPDATE: Touch screen is now working. All I had to do was find/replace the "P?" typographical errors to "power".

#4 7teen

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Posted 07 June 2013 - 01:43 PM

i'm also having this issue. do you have a step by step process that you did and the tools you used to solve this? i'm new to this stuff :)

#5 sgranapannocchie

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Posted 20 June 2013 - 07:45 AM

for all who want try another rom search Yeahpad A13 ROM on manta.info.pl,for my dicra tab 307 works all very well.




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