S2 touch not working

bagel01 Post time 5 Day Before | Show all posts [Copy link]
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S2 touch not working

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Post time 2017-11-10 08:20:58 | Show all posts |Read mode
Hello please help. My new Umi S2 v1 has no touch. First I tried to restart the phone and hold vol + then restart again. The touch started working again but only for a short time. Next I tried to flash the new firmware ver. 20171108_g20v57c2k_kw_s81 with SP Flash Tool but the touch still does not work!!! The new firmware upgrade worked successfully but still no touch.

What else can I try to fix the touch problem before sending the phone back for warranty?
         

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Post time 2017-11-12 03:33:54 | Show all posts
Firstly please contact to seller and ask for solution.
Please use SPFT and use format + download option. Here is SPFT instruction
http://community.umidigi.com/thread-11-1-1.html
Here all available ROMs
http://community.umidigi.com/forum-182-1.html
Also please use first firmware version if latest didn't work.
After format + download you need restore IMEI number with SN writer which is here
http://community.umidigi.com/thread-1375-1-1.html
Unfortunately I suspecting hardware fault.



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 Author| Post time 2017-11-12 07:46:17 | Show all posts
Thank you for the reply. I flashed firmware but touch still does not work. I have contacted the seller for RMA.

I did not need to restore the IMEI number after flash. I checked by connecting a mouse and dialing *#06#

Also I found that the instructions for restoring IMEI number are wrong. Step 9 comes up with a different screen to what is shown on the instructions. This is when I decided not to flash the IMEI and manually check the phone and it was ok.

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 Author| Post time 2017-11-12 07:48:39 | Show all posts
But I used "Firmware upgrade" option instead of "format + download".

Do you think I should still try format + download option? If so could you please update the IMEI restore guide for step 9 so that I don't make a mistake?

Thank you

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Post time 2017-11-12 21:59:56 | Show all posts
bagel01 replied at 2017-11-12 07:48
But I used "Firmware upgrade" option instead of "format + download".

Do you think I should still t ...

Hi
I checked SN writer and if you follow this guide all steps are exactly the same. In step 9 please wipe IMEI numbers and type in numbers from label.

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 Author| Post time 2017-11-12 23:43:37 | Show all posts
Hi this is the screen I see at step 9. Please advise how to use it.

Thank you

Capture.JPG

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Post time 7 Day Before | Show all posts
bagel01 replied at 2017-11-12 23:43
Hi this is the screen I see at step 9. Please advise how to use it.

Thank you

Please check Wi-Fi on top bar and press ok
In next step press start and then you will get Wi-Fi auto generate so then please type IMEI 1 and IMEI 2 and press ok.
IMG_20171113_221148.jpg
IMG_20171113_221130.jpg

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 Author| Post time 5 Day Before | Show all posts
thank you for your help. I have tried everything you said but still have no touch so unfortunately the phone is faulty.

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Post time 5 Day Before | Show all posts
bagel01 replied at 2017-11-16 05:35
thank you for your help. I have tried everything you said but still have no touch so unfortunately t ...

Unfortunately looks like hardware fault.
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