[SM-T580] Lineage OS bug (Probably only for me.) - Samsung Galaxy Tab A series Questions & Answers

I have been searching the internet for a fix for VERY long. I am trying to put lineage OS 14.1/15.1 (I have tried both.) on my SM-T580. Once I install it on to my device, at first, it looks fine. Working like it is supposed to but, when I try to turn it back on, (Not booting it up) either it turns back on but it is not displaying anything. Other times, it shows lines on the screen. I tried installing a kernel, but that didn't seem to fix it. The kernel was for nougat 7.1.2. If someone (anyone!) could help me, I would be really pleased.

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[Q] i9500 RomSwitcher - Update broke it

Hi, RomSwitcher has been nagging me to update since I installed it. So finally, I clicked Update.
Now my phone doesn't show the boot logo, it just boots into a blank screen. Adb seems to function:
C:\Unified_Android_ToolKit>adb shell
- exec '/system/bin/sh' failed: No such file or directory (2) -
Anyways, if I ODIN any Perseus kernel, then my first ROM boots fine. But if I go into RomSwitcher and install the tools, then reboot boots into blackness again. I've tried to install the tools from the recovery, same thing happens.
I would post this in the Development thread, but I'm not allowed to post there yet. So as I understand it, RomSwitcher boots into it's own environment, changes some directories so one of several ROMS will boot. What seems to happen is that the RomSwitcher environment is just blank. I have no idea where to look, and I can't find the old version of RomSwitcher which worked anymore. I don't really want to reflash everything just to get RomSwitcher functionality back.
There's no information on the internet about how it works or how to fix it. It seems I've probably managed to wipe the configuration when updating it. If anyone can point me to a FAQ or Guide or something about how it works, or summarise it, I'll really appreciate it, as I don't really want to go and dig through the code to figure it out... that might take me several weeks with the little time I have available!
Questions:
What is in the configuration file?
Where is it stored?
Can I re-create it by hand?
What's the simplest way to get RomSwitcher working again, without starting from scratch with all my ROMs?
(I'm just dual booting Phoenix ROM and CM11, which worked fine until I updated RomSwitcher. New RomSwitcher looks good, but doesn't work!)
Thanks
Steps to repeat...
So, I've tried every Perseus kernel: 16, 18, 19
From the main TW based ROM that boots: Phoenix 10.1
RomSwitcher says to install Tools and Reboot before it does anything. Doing that reboots into a black screen, no matter what kernel. I've re-downloaded the main config and the tools several times.
Seems the only thing left to try is re-flash main ROM, re-install RomSwitcher... then it will probably work But that is a 3-4 hour operation I can't afford right now.

SM-910F with custom ROM shuts off on boot

Hi there, first off please forgive me if I get any terminology wrong - I've been learning way more about this than I ever intended...
I have a Galaxy Note 4 (SM910F / trltexx) that's causing me problems with custom ROMs - the phone gets to various points of the startup process, then either shuts off or reboots.
I'm posting this in the Note 4 forum as it happens with all the following ROMs:
- LineageOS 14.1
- Resurrection Remix 5.7.4 / 5.8.0 / 5.8.3
I assume that either there's something screwed up about the phone itself, or I'm missing something fundamental about what ROMs I'm installing.
When I first install the OS (adb sideload), it will boot up the first time around just fine.
On occasion (with all of the above) the phone has gotten all the way to the initial configuration screen (e.g. select a wireless network). I've tried all types of wipe and format/reset, both clean and dirty flash, no difference. The point to which it gets in the boot process seems random. When the phone is connected to a charger, it will try to reboot. If it is not connected, it just shuts off.
Stock Samsung firmwares (5.0.1 and 6.1.1) with stock recovery all worked fine.
Recovery is TWRP v2.8.7.0 (that's the only one I could get running, 3.x would not start up)
I've recently had the screen replaced, the shop did a poor job (my proximity sensor started acting up, I first tried replacing it, then tried the electrical tape spacer trick, which worked.) I'm also using an aftermarket Anker battery, for what it's worth (they're great, btw).
Any ideas? As mentioned it seems to boot ok with stock firmware, but I don't want to run stock because that's no fun.
Thanks for any ideas!

Big problems with my Ascend G7-L03

Hello everybody,
I'm relatively new to the world of ROMs and I'm hoping some people smarter than me can help.
A few weeks ago, I started having issues with my phone, on the stock ROM for Wind Canada, restarting continuously. It would sometimes work for up to 10 hours, but sometimes no longer than 10 seconds. There didn't seem any rhyme or reason to it doing so. I figured that it was a good time to play around with a new ROM, and I took a backup (of a faulty operating system). It's been a bit of a ****show since then, and I don't remember exactly everything that I've tried, but here is a sampling:
CM13.1 - the ROM successfully loads, but then I get stuck in a reboot loop.
CM12.1 - I figured that if 13.1 didn't work, I shouldn't try 14.1, so I went down to 12.1. This worked beautifully, until I tried to make a call - and I can't hang up. To hang up, I need to reboot the phone. Annoying, to say the least. Everything else seems to work really well, other than a slightly shortened battery life, but I can live with that, if everything else works.
CM14.1 - I tried loading it, but it says right off the bat that the L03 isn't part of the compatible list and doesn't process. I know I can suppress that message, but I figured that if it was meant to be on that list, it would be.
Resurrection 5.1 - I don't remember what happened here, but I think it ended up in a bootloop.
I can't find the original ROM on Huawei's site, and the one that seem similar for different countries are meant to be done within the OS as an update (Update.app).
So, I'm stuck here - I can't seem to revert back to the original ROM (which was Android 4.4.4, which was fine), and I can't seem to update to any other ROMs. I want to fix this, because as far as I'm concerned, the hardware is pretty good and I can make this phone last. However, my wife is pushing me to replace it...
Does anybody have any advice as to what I should try next? I really don't feel like using CM12.1 in its current state, which is what is installed now, since I need to reboot between phone calls, but it seems to be my only option for now.
Three notes - 1) I am currently on my 5th or so install of CM12.1. I have tried to look for ways to replace the dialer, since that seems to be the problem, but I haven't found a way. Can one replace the stock dialer?
2) I have tried installing multiple GAPPs packages, including ones that supposedly replace the dialer, but this hasn't helped.
3) I don't know if this is relevant, but in CM12.1, under "About phone", my Device model is "unknown". Is that always the case?
Somebody out there must have a better solution and my hair's all gone now, from me pulling it out...
Any help you can give me is appreciated!!!
Thanks,
Steve
UuUuPpPp....
Exactly in the same boat as Steve...... "Cant hang up" is seems to be the only major problem.....i have the exact phone too.....and tried same things too to no help....any help wud be appreciated...

Custom ROMs result in black screen

Hi all,
I'm new to the device so I'm maybe doing something wrong but I don't think so. I got the device with a terribly cracked, I flashed Pixel Experience (Android 10) as it's what I've had on my Nexus 5x, everything was working fine so I proceeded to replace the screen. I replaced it with one from Aliexpress which seems legit.
The phone then wouldn't boot, or seemed not to boot. I saw the splash screen then a black screen. The system did boot as I could see the capacative keys light up and sounds working, I just couldn't see any image on the screen. After a while trying to flash other ROMs and other TWRP versions (at this point TWRP showed up as a black screen too) I found that the following solution solved my problem.
https://forum.xda-developers.com/mi-a1/how-to/solved-mi-a1-bootloop-t3973131
This is fine, I can use the stock ROM and update it to the latest version but cannot use any AOSP based ROMS and still cannot use any other recovery apart from the one used to solve the "bootloop".
Does anyone have any idea how I can solve this? I thought the screen was maybe a weird version that needed some additional drivers but the strange thing is that it works for the stock ROM.
Regards,
Simon
Hi:
simonkerr said:
Hi all,
I'm new to the device so I'm maybe doing something wrong but I don't think so. I got the device with a terribly cracked, I flashed Pixel Experience (Android 10) as it's what I've had on my Nexus 5x, everything was working fine so I proceeded to replace the screen. I replaced it with one from Aliexpress which seems legit.
The phone then wouldn't boot, or seemed not to boot. I saw the splash screen then a black screen. The system did boot as I could see the capacative keys light up and sounds working, I just couldn't see any image on the screen. After a while trying to flash other ROMs and other TWRP versions (at this point TWRP showed up as a black screen too) I found that the following solution solved my problem.
https://forum.xda-developers.com/mi-a1/how-to/solved-mi-a1-bootloop-t3973131
This is fine, I can use the stock ROM and update it to the latest version but cannot use any AOSP based ROMS and still cannot use any other recovery apart from the one used to solve the "bootloop".
Does anyone have any idea how I can solve this? I thought the screen was maybe a weird version that needed some additional drivers but the strange thing is that it works for the stock ROM.
Regards,
Simon
Click to expand...
Click to collapse
I'm in the same situation. I think these screens are not 100% compatible so it seems a hardware issue.
Maybe using vendor partition but i'm so stucked as you.
My phone can't hotboot any official recovery although i can boot flashed recovery only if i boot slot a not slot b.
Stock roms boot always using slot a but tried Lineage (thats uses slot b) and got always black screen.
I'll keep reading and trying to solve it.
Regards.
simonkerr said:
Hi all,
I'm new to the device so I'm maybe doing something wrong but I don't think so. I got the device with a terribly cracked, I flashed Pixel Experience (Android 10) as it's what I've had on my Nexus 5x, everything was working fine so I proceeded to replace the screen. I replaced it with one from Aliexpress which seems legit.
The phone then wouldn't boot, or seemed not to boot. I saw the splash screen then a black screen. The system did boot as I could see the capacative keys light up and sounds working, I just couldn't see any image on the screen. After a while trying to flash other ROMs and other TWRP versions (at this point TWRP showed up as a black screen too) I found that the following solution solved my problem.
https://forum.xda-developers.com/mi-a1/how-to/solved-mi-a1-bootloop-t3973131
This is fine, I can use the stock ROM and update it to the latest version but cannot use any AOSP based ROMS and still cannot use any other recovery apart from the one used to solve the "bootloop".
Does anyone have any idea how I can solve this? I thought the screen was maybe a weird version that needed some additional drivers but the strange thing is that it works for the stock ROM.
Regards,
Simon
Click to expand...
Click to collapse
Have you made any progress?
gsausalito said:
Have you made any progress?
Click to expand...
Click to collapse
Thanks for your interest but I've made no progress and actually given up on it. I'm sure the issue could be resolved by buying a new, more compatible screen but I'm not going to put any more money into the phone.
As far as the software solution goes, I've tried almost every combination of ROM + Kernel i can think of but the only thing that works is the stock ROM.
I'm going to close this thread as I don't think it's much use to anyone.
Regards
Sorry for posting here, but i am in the same and i noticed that flashing canting 4.9 kernel gives display for like 8 seconds after screen turns off. May it be a kernel config issue? if anyone in this forum could answer this i could try and change it. Also flashing stock kernel on custom rom solves the problem but makes other thing fail
Hello, I've got the same issue. Is there any solution ? Or, at least, any clue to work on it ?
EDIT: I finally done it!
with this kernel (OC) : https://forum.xda-developers.com/t/...rkernel-v3-1-nonoc-and-oc-12-11-2020.4186317/
And this rom : https://forum.xda-developers.com/t/rom-11-0-official-crdroid-7-1-tissot-13-11-2020.4195351/
I installed this kernel, cause you was saying it is probably a kernel issue, so I tried to look for most recent kernel.
And then, it worked, so I think you was right.
I can't be sure it will work with all ROM, but I think.
Hello Mi A1 friends.
So yesterday I decided to change my crack LCD screen and to my surprise the phone boots into Xiaomi Logo and then after that its just a black screen. Message and other notifcation sounds still come in which means that the phone mange to boot into home screen, just with nothing to display. At the time of changing screen, I am on stock kernel and Pixel Experience 10.
Gonna flash back to stock pie(9) rom and see how it goes from there.
Deezio said:
Hello, I've got the same issue. Is there any solution ? Or, at least, any clue to work on it ?
EDIT: I finally done it!
with this kernel (OC) : https://forum.xda-developers.com/t/...rkernel-v3-1-nonoc-and-oc-12-11-2020.4186317/
And this rom : https://forum.xda-developers.com/t/rom-11-0-official-crdroid-7-1-tissot-13-11-2020.4195351/
I installed this kernel, cause you was saying it is probably a kernel issue, so I tried to look for most recent kernel.
And then, it worked, so I think you was right.
I can't be sure it will work with all ROM, but I think.
Click to expand...
Click to collapse
Sry for reply to an old post, but how did you do it? How did you flash kernel when you can't enter twrp because of screen issues? I have exact the same problem, where stock rom works but everything else cause blank screen. Also can't boot to twrp - probably the same reason.

Stuck on boot and then phone switches off

Hello,
For the last few days I have been trying to update my phone (6T) to the latest version of custom rom Havoc [9].
Unfortunately with not much luck. There was something going wrong every time I tried.
I went back to stock with the fastboot version of mauronofrio and tried versions 2.7, 2.8 (Havoc) and there was always a problem with it. Face recognition didn't work, lag in video's.
So yesterday I went back to version 2.5 and it seemed to work. I just wanted version 2.7, so today I was updating it, not OTA, cause that never worked for me.
Now I am stuck on the part where the phone switches on (through volume up and power button). It shows the havoc splashscreen, but when it is on the last part of booting, the screen goes black and the phone seems to be off.
I have tried to go into fastboot, but nothing works. Same procedure, over and over again
sideload doesn't work, and neither is the fastboot to stock version, because there's no device detected.
Can somebody please help me
Dunno why, but after 2 hours waiting I tried again and it started up in fastboot. I was able to flash a mauronofrio version and got it back to life.
Flashed a Havoc ROM 2.7....and surprise, everything works, except the video lag. Looks like it has to do with sound, cause when I watch a small clip on Instagram, the video works fine. When i turn on the sound, the lag comes back.
Is it perhaps the OOS stock in combination with the version of Havoc?
When I download an original, latest version of stock OOS from the OnePlus website, and try to flash it, it gives an error.
Meh....this sucks
You may need to MSM back to stock and start over. Good luck

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