[ROM][UNOFFICIAL][12.1.0][r7][I9100] LineageOS 19.1 [ALPHA] - Galaxy S II Android Development

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Code:
/*
** Your warranty is now void.
**
** We are not responsible for bricked devices, dead SD cards,
** thermonuclear war, or you getting fired because the alarm app failed. Please
** do some research if you have any concerns about features included in this ROM
** before flashing it! YOU are choosing to make these modifications, and if
** you point the finger at us for messing up your device, we will laugh at you.
**
**/
About LineageOS
LineageOS is a free and open-source operating system for set-top boxes, smartphones and tablet computers, based on the Android mobile platform. It is the successor to the custom ROM CyanogenMod, from which it was forked in December 2016 when Cyanogen Inc. announced it was discontinuing development and shut down the infrastructure behind the project. Since Cyanogen Inc. retained the rights to the Cyanogen name, the project rebranded its fork as LineageOS.
LineageOS was officially launched on December 24, 2016, with the source code available on GitHub. Since that time, LineageOS development builds now cover more than 185 phone models with over 1.9 million active installs,having doubled its user base in the month February–March 2017 And if you would like to contribute to LineageOS, please visit out Gerrit Code Review.
About Galaxy S2 running Android 12 12.1!
Hi everyone,
Welcome to my thread for i9100 (from 2011) running Android 12. It took a while, but now the rom is at a usable state (no daily).
In my country my provider KPN will stop supporting 3G on march 2022 and this wil make my S2 unusable for daily drive. This means I probably won't port this phone to Android 13 in the future.
Update 16-03-2022
I renamed the thread because I updated the sources to LOS 19.1/Android 12.1 and everything is still working except of GPS.
Credits
* @ChronoMonochrome
* Shivaay
* @lee.wp14
* @ze7zez
* arco68
* Team Infusion
* LineageOS & CO (For Source Code)
* All the authors the last 10 years working on this legendary phone
* Last but not least @channel48 which reviews custom ROMS from all kind of phones including my work on this ancient one
I hope I didn't miss someone, please let me know.
Source code:
https://www.github.com/lineageos
https://www.github.com/rinando
Current state:
Working:
- RIL (Phone/SMS)
- Audio
- Bluetooth (audio & headset)
- Wifi
- IMEI
- Touchkeys
- Hardware encode/decoder
- Display
- DRM, for e.g. Netflix
- Selinux enforced
- BitGapps
- Magisk v23.0 v24.1
- FM Radio (using Spirit2)
- Camera Videorecording
- Camera Pictures
- MicroG support
- (A)GPS fixed! Thanks to @html6405 for helping me out!
Working-ish/WIP:
- BLN
- Camera Pictures, one time only and crashes after second use untill reboot.
- Sensors, sometimes works
Not working/known issues:
- AGPS
- Camera Videorecording
- PowerHAL
- LiveDisplay
- MicroG support
Won't fix:
- HDMI (MHL) (support broken/removed since CM 10)
- (A)GPS, I can't fix this blob crash
How to FULL clean flash LOS 19.1 and TWRP 3.6.1_9.0
Warning: This will erase your data-partition completely!
Download i9100-LOS 19.1 via ODIN.zip and unzip it on your Windows PC.
Start the Odin3 v3.07.exe in the ODIN3 v3.07-folder
Choose for PIT: i9100-LOS-19.1.pit
Choose for PDA: i9100-LOS-19.1_android-12.1.0_r2.tar
Make sure the following checkboxes are checked:
Auto Reboot (optional)
Re-Partition
PDA
Click Start!
Reboot your phone and LOS 19.1 will start. First start could take about a few minutes.
Note about new PIT-file: The recovery image of TWRP 3.6.1 exceeds the 8mb partition size of our PIT. That is why I introduced a new PIT-file. I also enlarged the System-partition (FACTORYFS) to 2GB. These are the partition changes (compared with stock) of PIT-file i9100-LOS-19.1.pit :
Partition nameStock sizeLOS 19.1 sizeRECOVERY8MB32MBCACHE100MB76MBFACTORYFS512MB2048MBDATAFS2048MB12792MBUMS11784MB8MBHIDDEN512MB8MB
How to apply Magisk
Copy the Magisked kernel on the SD-card of your phone.
This is the second download-file in the download section ending with ...magisk_boot.img.
Reboot into recovery (TWRP)
In TWRP
Choose Install
Choose Install Image
Now you can select ...magisk_boot.img
Choose Boot
And flash it
Reboot into Android
Download Magisk from https://magiskmanager.com
If you download the .zip, rename it to .apk
Install the Magisk App in Android and follow its instructions
Downloads - TWRP 3.6.1
To install TWRP 3.6.1 you need to enlarge your recovery-partition.
You can download manually the PIT file here.
I recommend to use the "full clean flash"-instructions described above which comes with TWRP 3.6.1.
Download TWRP 3.6.1_9.0 here:
twrp-3.6.1_9.0-i9100.img
If you need Toybox instead of Busybox, you can download the toybox-version here:
twrp-3.6.1_9.0-i9100_toybox.img
How to flash .img-file:
In TWRP => Install => Install Image => Choose your img-file => Choose Recovery => Flash
Downloads - LOS 19.1 Builds
Build #2 2022-06-13
Overall state: Stable
Android build: 12.1.0-r7
Required recovery: TWRP 3.3.1-1
Changes:
- Updated LOS sources
- Fixed (A)GPS thanks to @html6405 !
Downloads
lineage-19.1-20220613-UNOFFICIAL-i9100.zip
lineage-19.1-20220613-UNOFFICIAL-i9100_magisk_24100_boot.img
Build #1 2022-03-15
Overall state: Stable
Android build: 12.1.0-r1
Required recovery: TWRP 3.3.1-1
Changes:
- Updated LOS sources
- If you are using Magisk, please use v24.1.
There are issues with v24.2 and v24.3 which doesn't work properly on our device.
Downloads
lineage-19.1-20220315-UNOFFICIAL-i9100.zip
lineage-19.1-20220315-UNOFFICIAL-i9100_magisk_24100_boot.img
LOS 19.0 Builds
Build #3 2022-02-28
Overall state: Stable
Android build: 12.0.0-r29
Required recovery: TWRP 3.3.1-1
Changes:
- Updated LOS sources
- Fixes Bluetooth
- Disabled (A)GPS, I can't fix this.
Downloads
lineage-19.0-20220227-UNOFFICIAL-i9100.zip
lineage-19.0-20220227-UNOFFICIAL-i9100_magisk_boot.img
Build #2 2022-01-09
Overall state: Lets find out!
Android build: 12.0.0-r18
Required recovery: TWRP 3.3.1-1
Changes:
- Updated LOS sources
- Fixed Camera picture
- Fixed Camera videorecording
- MicroG support (Should work, I didn't test it myself, please test)
- Disabled some animation for more responsiveness
- Some optimization for zRAM/IO/LMK and background services
Downloads
lineage-19.0-20220109-UNOFFICIAL-i9100.zip
lineage-19.0-20220109-UNOFFICIAL-i9100_magisk_boot.img
Build #1 2021-12-28
Overall state: Lets find out!
Android build: 12.0.0-r18
Required recovery: TWRP 3.3.1-1
Downloads
lineage-19.0-20211228-UNOFFICIAL-i9100.zip
lineage-19.0-20211228-UNOFFICIAL-i9100_magisk_boot.img

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** Reserved **

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wow. never thought that a s2 could run android 12.
especially at low specs

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good work.

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I'm gonna get a s2 and try this out.

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rINanDO said:
** Reserved **
Click to expand...
Click to collapse
Got your message , You are amazing bro !!!! Downloading !

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Hello,
nice to find this new Android 12. I come from Los 18. Should I also do the steps with odin, or can I do a factory reset and directly flashing los19?
Best regards Sebastian

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Concept48 said:
Got your message , You are amazing bro !!!! Downloading !
Click to expand...
Click to collapse
Were on Bro !!!

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Sebastian323 said:
Hello,
nice to find this new Android 12. I come from Los 18. Should I also do the steps with odin, or can I do a factory reset and directly flashing los19?
Best regards Sebastian
Click to expand...
Click to collapse
You don't need odin coming from los 18. Factory reset and flash los 19 will do.

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Well done. Work here like shame. The issue - WiFi does not work with Linux(Fedora) WPA hotspot, same as with previous releases
Happy new year!

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omfg, you are amazing man! happy new year, not downloading right now, cause i am using the galaxy s2 as my main phone, but when i will see an stable-ish build i will install it like i did with los 18.
Hope u will not give up on this phone, even if 3g will no longer be supported in your country, or at least make this port bugless, like android 6 on the galaxy s1

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TheWorldYT said:
wow. never thought that a s2 could run android 12.
especially at low specs
Click to expand...
Click to collapse
Well the same could be said abouth android6,7,8,9,10 and 11 xD
This is simply amazing and astonishing achievement. Props to the Dev !!

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Scorpionea said:
Well the same could be said abouth android6,7,8,9,10 and 11 xD
This is simply amazing and astonishing achievement. Props to the Dev !!
Click to expand...
Click to collapse
yeah true and thanks to the developer, the s2 will be on the latest android version

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Scorpionea said:
Well the same could be said abouth android6,7,8,9,10 and 11 xD
This is simply amazing and astonishing achievement. Props to the Dev !!
Click to expand...
Click to collapse
not really 6, because most 1gb phones/android tablets run android 6, but for 7,8,9,10,11,12 it's amazing.

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This is so exciting, congrats @rINanDO ! Too bad I'm too busy with college and unable to join the party..
Having majority of the features working even in Android 12, this is just wow, especially the RIL :3

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You don't need odin coming from los 18. Factory reset and flash los 19 will do.
I moved from LOS 18 with these steps:
1. download and store on sd card the two build files (LOS and magisk)
2. did a full backup via twrp of my LOS 18 phone.
3. Using same twrp as 18 (3.3.1) I installed only LOS 19 on system, and then select image, pick magisk and install as boot.
No wipes were needed, no factory reset, no odin, no repartition and no installation of a new TWRP. For good measure I restored the data as well (was on a different phone, so I got a duplicate to test)
So far can confirm working:
- RIL (Phone/SMS)
- Bluetooth -PC/audio/headset
- Wifi
- IMEI
- Touchkeys
- Display
- Magisk v23.0
- FM Radio (using Spirit2) though I have intermitent problems with audio - not sure who to blame yet
- Camera - Front: works multiple times, no problem but:
- Camera not working when switched to back (selfi) camera get 'can't find device' and then the front stops working as well
Can also confirm my reaction ranging between NO F*CKING WAY to OH MY GOD, IT'S ALIVE!
Happy new year! Already started great with this ROM

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Have to admit I'm not surprised to see A12 landing on i9100 since rINanDO was in "silent-mode" for a while.
I suspected that he had been working on this project for some time.
The result, however, is really surprising and far beyond all my expectations... in one word, it's simply A-M-A-Z-I-N-G !!
Thank you rINanDO for your continuous and tireless support for this glorious and nearly immortal device.
I saw that from the end of November TWRP 3.6.0 recovery is also available for our old device but it has a size that exceeds current partition scheme.
So, I edited the PIT file going to double the space for recovery at the expense of some Data partition space.
This allowed me to flash latest TWRP and it all worked like a charm!

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10 years old and It's still alive, runs android 12. Great job man @rINanDO

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It is possible to install google apps?

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joam280 said:
It is possible to install google apps?
Click to expand...
Click to collapse
https://github.com/BiTGApps/BiTGApps-Release/releases/download/v1.7/BiTGApps-arm-12.0.0-R44_signed.zip
works well here