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Edited by bayker at 2019-5-17 19:44
I solved the problem with Umidigi F1 Play, IMEI and Certificates. Here are the steps I followed:
1) F1 Play roms and some later F1 roms do not work with the special version of the SN Writer program (vturkey version) mentioned in the first post. As some other people reported before, you have to use F1 (not Play) rom version 2019013016 (even for F1 Play).
2)Download the F1 version 2019013016 ROM and for F1 Play users download also a F1 Play ROM. I used 2019042520 F1 Play version.
3) F1 users can neglect this step and directly flash 2019013016 ROM from SP Flash tools as normal. F1 Play owners must do a trick. Open SP flash tools and select the scatter file for the F1 Play ROM that you downloaded and extracted previously. In my case this was 2019042520 F1 Play ROM. But since this rom does not work with SN writer, we will replace the contents from the F1 2019013016 ROM. To do that, keep the preloader of the 2019042520 F1 Play ROM the same, we will not change this. Replace all other files from the F1 2019013016 ROM. You can click the location section in SP flash tools and browse to the F1 version 2019013016 ROM folder and select the appropriate file. Then flash as you normally do. Switch to download mode and plug the phone while you are pressing the upper volume key.
4) After flashing the rom turn on the phone and do the initial android setup. I did not turn on wifi initially and skipped steps. But I created a fingerprint (I am not sure this was necessary). After seeing the android home screen, I entered my wifi password and connected (again I am not sure this was necessary). I also entered my google account. At this point a rom update may be downloaded, just cancel it. The red ugly warning text will be there, do not worry. The back camera and some other things may not work but do not worry this is normal for F1 Play owners since we are essentially using a F1 Rom. We will flash a F1 Play Rom later. After waiting few minutes I turned off my phone.
5) Now we can start with SN Writer (vturkey) special version. Download it from the link in the first post of this thread. Extract and follow the steps described in the first post. Select your IMEI, MEID etc. Press upper volume button for a few seconds and release while connecting the usb cable. After the steps, this time you will see the green text.
6) Turn on the phone. The ugly red warning text should have gone. Well done! Turn off the phone if you are F1 Play owner.
7) For F1 Play users, you have to download and flash a recent F1 Play ROM as you normally do as a last step. You can use the F1 Play rom that you previously downloaded (in my case this was 2019042520 version). Flash it and enjoy your phone!
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