Yes
I couldn't get the early beta version to work.
If there's a newer one it might be better
GSI for the Galaxy A20 (Android 10)
- Thread starter physwizz
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I couldn't get the early beta version to work.
If there's a newer one it might be better
Hi can i install this GSi on my samsung a20s
i want to install cyberpunk os or nusantra os
can u help me my device is sm-207F/DS
can u give me tutorial for samsung a20s how to install GSi and how to make the A only partition to AB ?
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I don't know much about the a20s
Try to follow my instructions in this thread and let me know
Updated to XSA-A205YNDVS6BTL1 (Australian December update) and found that Samsung has created more inter-dependencies between their apps to stop certain users removing their spyware, adware and walled gardens...
Like a noose slowly tightening....
Not one to be readily herded, I have spat the dummy on persevering with a rooted and debloated OneUI stock ROM and have loaded the latest Havoc Quack Vanilla ROM (Havoc-OS-v3.12-20201230-Official-arm64-ab) to see how much progress has been made with GSI ROMs.
First impression is good. A good mix of useful customizations over the base Lineage and perky performance with Eureka v5.0 kernel. Will give it a good workout to see if there are any show-stoppers.
Edit: Tried latest PHH Android 11 GSI to see how that went.... It boots up nicely but reboots after a few seconds so a no go for now.
Havoc 3.12 is still behaving nicely.
Like a noose slowly tightening....Not one to be readily herded, I have spat the dummy on persevering with a rooted and debloated OneUI stock ROM and have loaded the latest Havoc Quack Vanilla ROM (Havoc-OS-v3.12-20201230-Official-arm64-ab) to see how much progress has been made with GSI ROMs.
First impression is good. A good mix of useful customizations over the base Lineage and perky performance with Eureka v5.0 kernel. Will give it a good workout to see if there are any show-stoppers.
Edit: Tried latest PHH Android 11 GSI to see how that went.... It boots up nicely but reboots after a few seconds so a no go for now.
Havoc 3.12 is still behaving nicely.
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@IamTheBRAVE I had a look at the LeOS ROM but it is based on the same PHH v300j GSI so probably inherits the same bugs. I tried the vndklite version of PHH roar because I still want to have /System RW. I also was running Eureka v5.0 permissive kernel and Magisk 21.2 at the time so that may influence the result of constant rebooting. Interested to see if anyone else has managed to get an Android 11 GSI running successfully on the A205?
Guess who was able to install PHH AOSP 11 GSI? This guy☝
It's running good, no reboot. Installed the vndklite-FOSS version to keep su. Needs some getting used to. Lots of jumping through hoops to get around Gapps,
-aurora store anonymous login not working so downloaded my apps from apkmirror.
-no youtube, the alternative NewPipe can't connect,
-Adaway is running as nonroot, root method needs magisk.
I installed using physwizz instructions, had Z-Rom v5 installed first (Kernel Eureka 4.4.3 Q/R)
Wipe caches, data, system
Flash arm64-vndklite-foss.img
Reboot.
Restore sms and call data ( tried the sms backup app but it restored messages, and call without contact names. Had to restore from sim)
I'll try the gapps version next week probably, can't see myself using foss apps indefinitely...
It's running good, no reboot. Installed the vndklite-FOSS version to keep su. Needs some getting used to. Lots of jumping through hoops to get around Gapps,
-aurora store anonymous login not working so downloaded my apps from apkmirror.
-no youtube, the alternative NewPipe can't connect,
-Adaway is running as nonroot, root method needs magisk.
I installed using physwizz instructions, had Z-Rom v5 installed first (Kernel Eureka 4.4.3 Q/R)
Wipe caches, data, system
Flash arm64-vndklite-foss.img
Reboot.
Restore sms and call data ( tried the sms backup app but it restored messages, and call without contact names. Had to restore from sim)
I'll try the gapps version next week probably, can't see myself using foss apps indefinitely...
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Great workGuess who was able to install PHH AOSP 11 GSI? This guy☝
It's running good, no reboot. Installed the vndklite-FOSS version to keep su. Needs some getting used to. Lots of jumping through hoops to get around Gapps,
-aurora store anonymous login not working so downloaded my apps from apkmirror.
-no youtube, the alternative NewPipe can't connect,
-Adaway is running as nonroot, root method needs magisk.
I installed using physwizz instructions, had Z-Rom v5 installed first (Kernel Eureka 4.4.3 Q/R)
Wipe caches, data, system
Flash arm64-vndklite-foss.img
Reboot.
Restore sms and call data ( tried the sms backup app but it restored messages, and call without contact names. Had to restore from sim)
I'll try the gapps version next week probably, can't see myself using foss apps indefinitely...
@IamTheBRAVE Thanks for reporting your success. I saw the PHH updates and was wondering if the reboot issue had been fixed.
I'll wait for Havoc to be released based on latest PHH 11 code.... gives it that extra little something that is missing in pure AOSP
I'll wait for Havoc to be released based on latest PHH 11 code.... gives it that extra little something that is missing in pure AOSP
Now i'm interested in Havoc too
. Downloaded a bunch of gsi to try (Caos R, LOS18.1, LeOs) will report back.
EDIT: running CaOS bvN now, same base as PHH. Didn't wipe data either. More to come...
. Downloaded a bunch of gsi to try (Caos R, LOS18.1, LeOs) will report back.EDIT: running CaOS bvN now, same base as PHH. Didn't wipe data either. More to come...
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Discovered that Superuser can be activated in PHH treble tweaks in settings, it's working.
@IamTheBRAVE What kernel/boot.img are you using for R11? Any major hardware bugs in latest PHH based Roar GSIs for A205?
I always use ZRom v5 as a base ( a Q custom rom is a prerequisite of GSI 11) it uses kernel Eureka 4.3.1 and frankly haven't noticed any hardware bugs but haven't used all features. (i'm using CAOS based on PHH's v300.l. Some software bugs (could be CAOS related) : some default apps not set ( dialer, messenger...) Resulting in InCallUI screen not appearing, can't hang up or answer calls (fixable). Also Play Services crashing when checking info so can't add gmail account (still not fixed).
I'm in the process of starting over fresh (vanilla this time then flashing gapps)
Is anyone else trying GSI 11? I can post the install instructions i'm using, with physwizz's permission...
@IamTheBRAVE I was trying to run with latest stock OneUI as base and Eureka r5.0 GSI kernel and have rebooting issues every few seconds. Have to conclude it is something in the stock Vendor partition and/or using Eureka r5.0.
Unfortunately most, if not all credible GSIs are based on PHH's incredible work and progress on Q based GSIs ended at PHH v222. This means we have no choice but to embrace Roar based GSIs into the future once they have less bugs than the last of the Quack versions....
Ever get the feeling we are all just Hamsters on a Hamster wheel?
Unfortunately most, if not all credible GSIs are based on PHH's incredible work and progress on Q based GSIs ended at PHH v222. This means we have no choice but to embrace Roar based GSIs into the future once they have less bugs than the last of the Quack versions....
Ever get the feeling we are all just Hamsters on a Hamster wheel?
@jajk you mean like this?
Stock vendor did not work for me. I used ZRom 5. Attached you'll find the instruction from one website I more or less followed and the install procedure I used. Basically, you need to have a custom ROM (with vendor) then DM verity, then flash gsi ( multiple reboots and wipes/format in between cause TWRP doesn't show the fbe error right away only after system reboot-bootloop.
Now I have my base installed correctly and I switch gsi after wiping caches, system and format data. Sometimes when switching between variants, eg. BgS > BvS , some files subsist and create errors (happened on one gsi at least, so taking precautions)
Edit to add that I had constant random reboots with one gsi only (Corvus) didn't keep it long enough to investigate.
Now I'm on Caos BvZ + BitGapps (needs system partition resize) very satisfied with the result, might stay on it...
Stock vendor did not work for me. I used ZRom 5. Attached you'll find the instruction from one website I more or less followed and the install procedure I used. Basically, you need to have a custom ROM (with vendor) then DM verity, then flash gsi ( multiple reboots and wipes/format in between cause TWRP doesn't show the fbe error right away only after system reboot-bootloop.
Now I have my base installed correctly and I switch gsi after wiping caches, system and format data. Sometimes when switching between variants, eg. BgS > BvS , some files subsist and create errors (happened on one gsi at least, so taking precautions)
Edit to add that I had constant random reboots with one gsi only (Corvus) didn't keep it long enough to investigate.
Now I'm on Caos BvZ + BitGapps (needs system partition resize) very satisfied with the result, might stay on it...
Last edited:
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9What is GSI?
GSI stands for Generic System Image and will allow you to install an alternative ROM on your Galaxy A20?
No longer will we be restricted to the Samsung ROM.
These ones worked for me. If they don't work for you, go to the list of all GSIs. There are plenty to choose from. Select arm64 ab files.
Q GSIs
1. AOSP 10
https://github.com/phhusson/treble_experimentations/releases
2. Pixel Experience, EvolutionX & Havoc
https://forum.xda-developers.com/pr...iscussion/gsi-expressluke-built-gsis-t4003457
3. Crdroid
https://sourceforge.net/projects/amber-gsi/files/crDroid v6.1/crDroidAndroid-10.0-20200104--v6.1-arm64-ab-vanilla.img.xz/download
Custom Android 10 boot screens
https://forum.xda-developers.com/galaxy-a20/themes/a20-custom-splash-screen-android-10-gsi-t4019693
List of all GSIs
https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-(GSI)-list
8Before you Start
1. Make sure your phone is rooted
For A20: https://forum.xda-developers.com/galaxy-a20/how-to/root-samsung-galaxy-a20-rooting-guide-t3954872
For A30: https://forum.xda-developers.com/galaxy-a30/how-to/root-galaxy-a30-magisk-canary-relaese-t3936481
2. Install TWRP and remove data encryption.
For A20: https://forum.xda-developers.com/ga...p-samsung-galaxy-a20-custom-recovery-t3955271
For A30: https://forum.xda-developers.com/galaxy-a30/development/recovery-twrp-galaxy-a30-t3968085
Quick root and TWRP together for the A20: https://forum.xda-developers.com/galaxy-a20/how-to/guide-quick-root-twrp-galaxy-a20-t4069423
3. Backup only 3 parts: boot, data & system (not system image) onto external SD or usb-otg. If something goes wrong you should be able to restore the phone using TWRP.
4. Also use SMS Backup and Restore so you don't lose your messages or calls.
5. Make sure your Ext SD card is Fat32. I've noticed that GSIs don't recognise ExFat.
Android 10 (Q)
1. Installation
1. Begin with stock ROM
2. Reboot into TWRP ( then mount product - system - vendor)
Back boot data and system
3. Wipe both caches, data & system
4. Install GSI
5. Flash Magisk and physwizz GSI kernel from here https://forum.xda-developers.com/t/kernel-physwizz-kernel-for-the-galaxy-a20.4180107/
6. Reboot.
2. Installing GApps
Some GSIs come with GApps. If you're doesn't and you want to have GApps, then use this method.
a.-Resize system partition so you can install OpenGAPPS, go to wipe, advanced wipe, select system, select repair or change file system and select resize file system. If you get error 1 unmount and mount the system partition and try again
b. Install GApps
3. Fixing Navbar
As soon as you boot up. Run Magisk and install this module.
View attachment navbar-enabler.zip
4. Android 10 Backup
Backup Data only (EvolutionX and Havoc 3.0 will do boot/data/system backup and restore),
5. Android 10 Restore
1. Reinstall GSI (a - h above)
2. Restore Data
3. Install GApps (if needed)
Reboot
To Access larger SD cards
Unzip the file below
Use TWRP file manager to copy this file to
/system/system/bin
Tap on to file
Press chmod755
Reboot system
Android 11 (R)
wIP4Some interesting links.
https://forum.xda-developers.com/showpost.php?p=80177833&postcount=199
phhusson treble releases
https://github.com/phhusson/treble_experimentations/releases
GSIs for A50
https://forum.xda-developers.com/galaxy-a50/how-to/guide-guide-how-to-flash-gsi-t3934005/page1
AOSP GSIs
https://source.android.com/setup/build/gsi
GSI for the A70
https://forum.xda-developers.com/galaxy-a70/how-to/gsi-testing-thread-t3956230
List of all GSIs
https://github.com/phhusson/treble_experimentations/wiki/Generic-System-Image-(GSI)-list
Project Treble
https://forum.xda-developers.com/project-treble
Lolinet mirror
https://mirrors.lolinet.com/firmware/gsi/4Hi lads, after hours of trying I finally got Android 10 phh working s on my A205G so here’s what I did:
1.-Restore the stock image for boot and vendor
2.-Wipe everything (you could probably keep the internal storage I prefer to delete everything)
3.-Install AOSP 10.0 v200.c arm64-ab from phhusson ( link below)
4.-Resize system partition so you can install OpenGAPPS, go to wipe, advanced wipe, select system, select repair or change file system and select resize file system. If you get error 1 unmount and mount the system partition and try again
5.-Install OpenGAPPS (link below)
6.-Install Modded Magisk by ianmacd (included in zip)
7.-Install Disable_Dm-Verity_ForceEncrypt (included in zip)
8.-Install Permissiver_v5 (included in zip)
9.-Remove apex-setup.rc from /system/system/etc/init with TWRP File Manager (Advanced/File Manager)
And that did it for me, I also got the August security update from Samsung but i don’t really know if that matters to much.
So far, the major bug that I see it’s the navigation bar, you can enable the gesture navigation but the back gesture doesn’t work, the mobile signal it’s wrong and the other GSI bugs in general (MTP, Auto brightness and Bluetooth calling). I leave some screenshots
Phhusson AOSP 10.0 v200.c
OpenGAPPS Nano3
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