[ROM][UNOFFICIAL][matisse][millet] crDroid 7.31 - Galaxy Tab 4 Android Development

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https://crdroid.net/​
crDroid is a LineageOS-based CustomRom.
This one is based on LOS 18.1.
Special Thanks to matteo0026, who is maintaining the device sources and TWRP.
Disclaimer
I am not responsible for lost data, identity theft, lost money, security vulnerabilities, bricked devices or any other hardware or software malfunctions or a nuclear war that comes as a result of flashing this ROM. Please make also be sure that you have always a full backup ready. Best to use: Nandroid Backup via TWRP
Installation instructions :
Be sure to have installed the latest TWRP recovery (you can find it in downloads)
Download the latest build and GApps (ARM, 9.0, I advice pico package) and copy it to your external SD-Card
Make a full Backup of your Data and copy it to your external SD-Card or USB-OTG
Boot to recovery mode
Wipe > Advanced wipe > Select system, data, cache and dalvik/art cache (and, if you want to clean more, select even internal storage, which deletes all the content in /sdcard) and do swipe to wipe. Format /data. When it's finished go to home page
Install > select ROM zip file > swipe to flash and when it's finished go to home page
Do the same thing to flash GApps and Root (if needed)
Reboot > System
Update instructions :
Be sure to have installed latest TWRP build
Download the latest build
Boot to recovery mode
Install > select ROM zip file > swipe to flash and, when it's finished go to home page
Reboot > System
Known issues :
Maybe Mirrr Screen is broken
Maybe Uplink to Chromecast not working
Downloads :
matisse (10.1) devices: Androidfilehost, Mega
millet (8.0) devices: Androidfilehost, Mega
Millet and Matisse via Github
Other Stuff
TWRP Recovery Matisse and Millet: XDA, Mega, Matisse, Millet
GApps: https://opengapps.org/ (ARM, 11, Best to use is Nano or Pico) or
GApps: MindTheGapps
Magisk: https://github.com/topjohnwu/Magisk
Contributors:
crazydrive22, matteo0026 and all the S3NEO devs that provided the base for developing Pie on Tab 4
Source Code:
https://github.com/lineageos for samsung msm8226 common device and kernel source, with some patches coming from Gerrit for device source
https://github.com/s3neo for matisse and millet and specific variants device and vendor source
Thread started at 2021-06-13
Thread updated at 2022-06-15

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All new builds are up.
Changelog:
-June Security Patch
-synced with LOS-Source
-some changes under the Hood by @matteo0026

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T331 and T531 Users please check if SIM is working on your Device.

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probado en mi T535 y la SIM no funciona. Error de SIM no admitido, empresa bloqueada.
la SIM en crDroid 6.18 funciona perfectamente

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groulo said:
tested on my T351 and the SIM is not working. SIM error not supported, company locked.
the SIM in crDroid 6.18 works perfect
Click to expand...
Click to collapse
I've updated 6.18 to 6.19 yesterday. And Today 7.7 will come.
The Update for T531 is uploaded, maybe you could try this, too?

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crazydrive22 said:
Ayer actualicé 6.18 a 6.19. Y hoy llegará el 7.7.
La actualización para T531 está cargada, ¿quizás podrías probar esto también?
Click to expand...
Click to collapse
sorry, I have put the model wrong, I have tested it on T535

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groulo said:
sorry, I have put the model wrong, I have tested it on T535
Click to expand...
Click to collapse
Ah, ok. The SIM at T535 is working. It looks like, your Provider isn't supported.
Maybe @matteo0026 can fix that.
What is your Provider?

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crazydrive22 said:
Ah, ok. The SIM at T535 is working. It looks like, your Provider isn't supported.
Maybe @matteo0026 can fix that.
What is your Provider?
Click to expand...
Click to collapse
the sim works for me

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It's quite strange... For someone SIM works, for someone else no. I'm always more sure that if someone puts the right SIM, it works in t331-t531 too

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New Builds are up!
-June Security Patch
-updated to 7.7
-Thanks to @matteo0026 we have a nice plus of Performance
Enjoy

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crazydrive22​matteo0026​groulo​hello. I'm using the crdroid 6.16 matisse3g version (SMT531). I get the error "The system interface has stopped" and the Wifi connection is disconnected and reconnected or I say connect it. Are these problems solved in this new version? I need a fast system-free rom, which version do you recommend? I need bluetooth, I need wifi, I need magisk module.

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ercanziyanak said:
crazydrive22​matteo0026​groulo​hello. I'm using the crdroid 6.16 matisse3g version (SMT531). I get the error "The system interface has stopped" and the Wifi connection is disconnected and reconnected or I say connect it. Are these problems solved in this new version? I need a fast system-free rom, which version do you recommend? I need bluetooth, I need wifi, I need magisk module.
Click to expand...
Click to collapse
There shouldn't be any problems at wifi side. Update the ROM, or just test LineageOS 16, which I know for sure that's the most stable one.

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matteo0026 said:
There shouldn't be any problems at wifi side. Update the ROM, or just test LineageOS 16, which I know for sure that's the most stable one.
Click to expand...
Click to collapse
Is linage os 6 the most stable version. Can I install Magisk module. I want it to be a fast rom. It's already an old tablet. Cr is stuck in 16.6 version, it freezes

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ercanziyanak said:
Is linage os 6 the most stable version. Can I install Magisk module. I want it to be a fast rom. It's already an old tablet. Cr is stuck in 16.6 version, it freezes
Click to expand...
Click to collapse
It's the most stable and the fastest. But even the latest crdroid shouldn't be bad. All Android 9, 10 and 11 ROMs support Magisk.

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I have tested in T535, the crdroid 6.19 and crdroid 7.7. I haven´t any problem, wifi ok, bluetooth ok.
in T330 crdroid 6.18 I haven´t any problems.
my tablet have a second youth.

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groulo said:
I have tested in T535, the crdroid 6.19 and crdroid 7.7. I haven´t any problem, wifi ok, bluetooth ok.
in T330 crdroid 6.18 I haven´t any problems.
my tablet have a second youth.
Click to expand...
Click to collapse
There may be an error in my modem. I'm sorry. My tablet is Sm-t531. Since it is old, I think it will slow down android 11 or something.
matteo0026 suggested lineage os 16.​My goal is a fast smooth rom.I was undecided what you would recommend.​groulo​

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ercanziyanak said:
There may be an error in my modem. I'm sorry. My tablet is Sm-t531. Since it is old, I think it will slow down android 11 or something.
matteo0026 suggested lineage os 16.​My goal is a fast smooth rom.I was undecided what you would recommend.​groulo​
Click to expand...
Click to collapse
ercanziyanak​the only difference is that the T535 is 4G LTE and the SM-T531 is 3G, all the Hardware is the same.
I have installed CRDROID 7.7 in my T535 and at the moment I am very content, thanks to the work of
@crazydrive22​@matteo0026​

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groulo said:
ercanziyanak​tek fark, T535'in 4G LTE ve SM-T531'in 3G olmasıdır, tüm Donanım aynıdır.
CRDROID 7.7'yi T535'ime yükledim ve şu anda çalışmaları sayesinde çok memnunum.
[KULLANICI=7177487]@crazydrive22[/KULLANICI]​[KULLANICI=6798358]@matteo0026[/KULLANICI]​
Click to expand...
Click to collapse
okay thanks

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I've uploaded new Builds for all Devices.
@matteo0026 fixed the wrong time in TWRP.
With this and the following Builds the Time in TWRP should be correct again.

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hey thanks to the dev for this rom! gave this old tablet new lease on life... i just flashed on the 10 inch tablet wifi only model. seems to be working great.
cameras both work, but the first time i tried taking a pic with rear cam, it acted like it took a pic, but did not. on second attempt, it worked as expected. forward facing cam did fine on first try.
i have a 128gb card in the slot, which is fully recognized.
just so people know, google apps are NOT preinstalled, as mentioned above, grab a gapps pack if you want google bloatware installed.
i havent had a chance to stress test or try advanced features yet, but so far, very nice rom. many thanks.
on 2021-06-22 ....
Samsung Tab 4 10.1, SM-T530, wifi-only tablet (matissewifi)
running TWRP v 3.4.0-32
downloaded rom zip onto the sd card (crDroid 7.7)
booted to twrp (home + vol up to enter recovery)
wiped system, data, caches (not internal storage or external storage tho)
flashed the rom from SD card
went home on twrp and rebooted the system
took a few minutes to get going, but once it did, was finished booting in about 10 minutes or so.
as usual, allowed it to "settle" for a few more minutes after fully booted
my hopes were to be able to debloat and update the OS, and use the device as an E-Reader, but this rom seems to be so smooth, i may be able to use this old tablet for much more than just reading books.
im glad to see people still developing custom roms for android devices. the ability to de-google a device is more important than ever, given the times we find ourselves in. when i get some extra money in, i intend to buy the dev a beer. cheers.