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Hi everybody. I have a big problem with my cellphone (a Sesonn C2000, mt6582), its touch screen is very decalibrated, so I've read, I have an option that theoretically, it works, and to try it, I need a person who want to help me and that has a working android phone with a Goodix gt915 touch screen's IC.
Your colaboration must not be harmful for your phone if everything is made right. What I need is the configuration file (.cfg) of a working, non decalibrated phone. If you already have it, ¡cool! we avoid the intermediate steps, only what you need is pass me a copy of that file.
But if you want to help me and don't have that file, that's what you need:
-Gtp tools.apk
-Your cell phone (with gt915 touch screen's IC)
First install gtp tool on you cell phone and run it. When opened, select "config setting" option and into it, select "read" button. After that must appear many options where before was black. DON´T change any of these options, and just press "save" button, then select where to save the configuration (ideally /sdcard to you can remember where is it) and when you reach your saving destination, press the chinese letters button.
At the end, just confirm your saving (is in english, don´t worry). A confirmation of the saved file appears. And we're done, you just need to send me that config file.
Even, that config file you must keep it safe because it is a backup of your working configuration, so you don't need to be curious and experiment with your phone for decalibrate your touch, even a problematic update can do that; so is beneficial for you by doing this.
Phones with gt915 touch:
-Sesonn C2000
-IPRO GLORY II
-LANDVO L200G
-Lenovo A516
-Acer V370
-Philips w6500
-ZTE N919D
-Huawei G606
-Gionee E3/E6
-Coolpad 8085/8195
To who can and want to help me, thanks!!

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Hi guys! I could confirm that replacing current touch screen configuration (wrong config) by a configuration of a calibrated one, can fix my and probably many others' problem! I tried different configs (.cfg file), and touch screen behavior changed with the different configs, but I still couldn't find a configuration of a correctly working touch screen, so, who has that touch screen, and is working fine, please help me by sending me your configuration file! (some phones currently using that touch screen, listed above)

Thanks for the update, @tv2q0 .

Sorry to hear your issue hasn't been resolved, but it's good to see this is a step in the right direction.

Do you happen to know if the .cfg file is somehow ASCII readable? Perhaps you could change the parameters yourself to fine tune it more closely.

Yeah, is an ascii file, and as I understand it represents 186 hex values. But all they can be manipulated thru that app and applied directly to the phone. But if you don't know what are you doing (like many of mortals), you can screw touch screen's calibration, so as I said among other things, is very recommendable, if someone is an middle-advanced android user, to perform a cfg file backup. Also, as I said, you must not be an android advanced user to decalibrate your touch screen, a bad update can decalibrate it or make it unresponsive at all, so I guess is not excessive to have a touch screen config backup. I know that many cell phones and tablets don't use a goodix based touch screen, so I don't know how to perform that backup on them, but you can do it with that app, on phones with a goodix chip.
Now, I'm pretty sure, if someone makes me that charity and has a gt915 touch screen based phone, performs that backup on his/her phone and sends that file to me, I finally can fix my problem.
I mean, I really have tried to "play" with all that values, but I think I would last an eternity to find the right ones, so please help me to save time.

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I add to the list of gt915 based phones to Blu Dash 5.0