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[HOW TO] Flash ROM Havoc GSI 3.1 [Android 10] [STABLE] [UPDATED 28/01/2020]

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By Voniaak, Member on 12th September 2019, 08:18 AM
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I'm not responsible for whatever damage this could possibly cause to your device.

Updated with latest Havoc release : 28/01/20
First you will need to have TWRP :
Please follow this guide : https://forum.xda-developers.com/gal...y-a50-t3916199

Rom GSI download link :
https://sourceforge.net/projects/exp...mg.xz/download
Please download this file and don’t download last havoc 3.1 release because it should no work.
Thanks to ExpressLukeGSI, phh, havoc for this project.

1. Format Data + Wipe all
2. Power Off + Go back to Recovery TWRP
3. Flash System img
4. Power Off + Go back to Recovery TWRP
5. Resize the system partition, in TWRP go to
Wipe Advanced Wipe Select System Repair or change file system Resize file system
6. Flash these gapps : https://easyupload.io/llnivj
7. Then mount vendor + system and flash this fix in TWRP : https://easyupload.io/8se2a7 (It will fix overlay and dualsim)

Issue knowed :
Fingerprint doesn't work
MPT not working

ROM OS Version: 10 Q
Security patch : January 2020
ROM Firmware Required: TWRP Recovery

Version Information
Status: Stable GSI
Last Updated 2020-01-28
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12th September 2019, 08:58 AM |#2  
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Eek, it's finally happening, Testing this asap... just cause I can why the hell not

---------- Post added at 06:58 AM ---------- Previous post was at 06:29 AM ----------

Installed and up and running. Tested on FN variant
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12th September 2019, 09:07 AM |#3  
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Quote:
Originally Posted by Voniaak

I'm not responsible for whatever damage this could possibly cause to your device.

First you will need to have TWRP :
Please follow this guide : https://forum.xda-developers.com/[email protected] meliohe

Rom GSI download link : https://bit.ly/2m9Wk3y
Official Thread : https://forum.xda-developers.com/pro...oc-os-t3930030
Thanks to Vincent, phh, havoc for this project.

Guide :

1. Wipe all
2. Flash System img + Flash DM
3. Power Off
4. Go back to Recovery TWRP
5. Resize system
6. Flash these gapps : https://filebin.net/9hgskxxbr7hdi27r...zip?t=2z9sttui or https://drive.google.com/file/d/1nS2...oBqx9DiPU/view
7. Delete bootanimation from TWRP in System/System/Media/Bootanimation.zip
8. Power Off wait 2 reboot and its done

Issue knowed :
Fingerprint doesn't work
Magisk does'nt work

Instead of these issue it's okay !

Many thanks to @muhamet for give me video and guide


Nice job my frend
12th September 2019, 09:36 AM |#4  
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Fyi, another issue for the list:
Dual Sim is not working
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12th September 2019, 09:46 AM |#5  
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Add issues : Changing default USB configuration reboots phone
Brightness bar is buggy AF
sound is lesser than stock

However , nice to see projects for our device .
Thumbs up !
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12th September 2019, 10:31 AM |#6  
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O thank you, sound is ok for me!
And battery life better on havoc than one ui
12th September 2019, 05:03 PM |#7  
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Quote:
Originally Posted by Voniaak

O thank you, sound is ok for me!
And battery life better on havoc than one ui

Yes it is better
12th September 2019, 09:31 PM |#8  
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Also, Magisk is working for me
I flashed the zip with TWRP and when powering the phone on I was holding down the volume up and power and let go of both immediately when the screen turns on.
12th September 2019, 10:28 PM |#9  
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So does the hotspot function work? No issues with WiFi or 4g? No Bluetooth issues? Hope to hear from you.
12th September 2019, 11:09 PM |#10  
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Quote:
Originally Posted by Agil1ty

So does the hotspot function work? No issues with WiFi or 4g? No Bluetooth issues? Hope to hear from you.


No issues
13th September 2019, 01:16 AM |#11  
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So for me, flashing TWRP gave me the TWRP background but no menu. Any idea what I’m doing wrong?
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