UMIDIGI A7-A11, BISON and Power 5: Repair IMEIs, MEID and Google certificate

bencebacsi Post time 2022-11-26 07:54:47 | Show all posts   [Copy link]
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Author: bencebacsi

UMIDIGI A7-A11, BISON and Power 5: Repair IMEIs, MEID and Google certificate

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Post time 2022-5-4 11:03:04 | Show all posts
I reinstalled the ROM and the signal came back but it took a few minutes. Since 2021, with the last updates of that year, I don't see 4G, only 3G. I even thought it was a network problem, but everywhere I go I never get 4G and I saw that many have this problem.
So I'm wondering if it would be good to flash the MD1_DB (MDDB_InfoCustomAppSrcP_xxx) and AP_DB (APDB_xxx) files from some ROM that doesn't have a problem. Can anyone confirm, or have a method to fix it?

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Post time 2022-5-29 04:45:45 | Show all posts
Merf_tj replied at 2021-7-14 03:48
Edited by Merf_tj at 2021-7-14 03:50  

Umidigi Bison 2020 error, help

Thanks!
Where did you get the file?
I searched for the A7 Pro on Google and nothing, so I decided to use this file from the A9 Pro, as it has the same modem. But where there was an error signal, I unchecked it and started recording. When turning on the A7 Pro and soon the signal returned.
I don't know if I made a mistake, but I needed the device working for days.
But it's still only on 3G, I don't know if it's the operator's problem, but I got LTE anywhere, now it doesn't get nowhere since the antepenultimate update

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Post time 2022-5-30 14:44:58 | Show all posts
hello
i  have an problem unwritten google key and unwritten tee  key how i can i repear

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Post time 2022-8-9 06:03:24 | Show all posts
Dont have a version for Bison GT?

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Post time 2022-8-15 20:43:18 | Show all posts
estou com o mesmo problema e nao consigo resolver, algum whatsapp de alguem que resolva isso imei apagado

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Post time 2022-10-23 12:20:56 | Show all posts
ivensfares replied at 2022-8-15 20:43
estou com o mesmo problema e nao consigo resolver, algum whatsapp de alguem que resolva isso imei ap ...

Pt-br
https://www.youtube.com/watch?v=Z2Ts2WFmb2c

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Post time 2022-10-25 04:26:38 | Show all posts
Edited by achiquero at 2022-10-25 14:57  

Hello,
I have UMIDIGI BISON edition 'N' version 2021 with 6 GB. My ROM is [N 6GB] UMIDIGI BISON 2021 N_V1.0_20211104 ROM. I am using SN_Writer_Tool_exe_v1.2020.0.0-4362_BISON2021_6GB to remove the unwritten T key and Google key, but I get the following error: TEE PL Failed with-19. Any solution?
  
Thank you, best regards.





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Post time 2022-11-1 05:57:59 | Show all posts
Edited by Dyor at 2022-11-1 05:59  

Thank so much bro it worked
And also ever since I flashed the custom ROM I couldn't receive call on the phone and yes, I checked my sim with other phones and nothing was wrong with it I need a serious urgent attention sir thank you

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Post time 2022-11-21 21:42:59 | Show all posts
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Post time 2022-11-26 07:54:47 | Show all posts
Hello
What about Bison 2 Pro model?
Will there be a special SN Writer pack for this model? What if I formated it accidentally?
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