Invalid kernel length after flashing TWRP - Samsung Galaxy Tab A series Questions & Answers

Hi,
I've istalled the latest LineageOS 18.1 on my T580. Unfortunatly I checked the option where Lineage would install its own recovery. Becaause I wanted to go back to TWRP I used the TWRP app to install the latest TWRP recovery. After a reboot the message "Could not do normal boot invalid kernel length" came and I can't boot either in the OS, nor recovery or download mode. Any chance of saving my device?

ro-mann said:
Hi,
I've istalled the latest LineageOS 18.1 on my T580. Unfortunatly I checked the option where Lineage would install its own recovery. Becaause I wanted to go back to TWRP I used the TWRP app to install the latest TWRP recovery. After a reboot the message "Could not do normal boot invalid kernel length" came and I can't boot either in the OS, nor recovery or download mode. Any chance of saving my device?
Click to expand...
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If you have the Exynos wifi variant, you should be able to flash TWRP recovery with Odin, like described here:
[Recovery][T580] Official TWRP for Galaxy Tab A 10.1 WiFi 2016 (gtaxlwifi)
Team Win Recovery Project 3.0.2-0 This is for the Exynos WiFi SM-T580 model only! WARNING: Flashing a custom recovery to your device will trip the Knox warranty bit on your phone. Check with your retailer to see if they will still cover...
forum.xda-developers.com

Related

One plus stuck at boot loop

OP2 is stuck at OP logo after the latest OTA. What do I need to do to have it restored it back ..
sguy156 said:
OP2 is stuck at OP logo after the latest OTA. What do I need to do to have it restored it back ..
Click to expand...
Click to collapse
If you have twrp you can flash a full oxygen rom to restore it if you dont you need to Download latest full rom on your pc go in recovery mode connect phone to pc and put the zip in your storage and after that flash it via recovery mode
No it doesn't go into recovery mode it only goes into fastboot mode ..
sguy156 said:
No it doesn't go into recovery mode it only goes into fastboot mode ..
Click to expand...
Click to collapse
Try this zip on your pc while phone connected and on fastboot mode It auto flashes twrp on your phone so you can try to flash oxygen os via it
https://forum.xda-developers.com/devdb/project/?id=13708#downloads
that worked so do I need to flash modified SU 2.79 to root this phone or stay with the TWRP which came with the first aid script
sguy156 said:
that worked so do I need to flash modified SU 2.79 to root this phone or stay with the TWRP which came with the first aid script
Click to expand...
Click to collapse
If you want to root your phone use this file and Flash it via twrp
https://www.androidfilehost.com/?fid=24591000424939898
modified SU is not going to work and have to use seemless SU . Thanks for your help which version of TWRP works without any issues with the newest Oxygen OS..
sguy156 said:
modified SU is not going to work and have to use seemless SU . Thanks for your help which version of TWRP works without any issues with the newest Oxygen OS..
Click to expand...
Click to collapse
Go to Playstore and download twrp app en flash the latest compiatble version
What is needed to re-root OOS 3.5.6 if you did like me and let the OTA update your phone.
TWRP 3.0.2-2 link
OOS3 SuperSu 2.78 link
You can get latest TWRP flashable OOS packages from here.
For future reference.
Oneplus two Rooted stuck on Boot Loop Mode
Hi Guys I need your Help Can anyone Help me as soon as possible
I was Using Resurrection Remix 5.8.5 Nougat 7.1.2 and in Twrp recovery
I was using Resurrection Remix 5.8.5 Nougat 7.1.2 and in Twrp recovery apk a small mistake was done by me
I tick marked as
Allow Flashing to boot partition after that it got stuck in Boot Loop Mode How fix that guys
But Fastboot Mode only Working
Hi it's done with me but not in your way I was realising why it is not boot loading then I came to know maybe TWRP recovery is not installed so I just wanted to flash TWRP recovery in fastboot mode there are so many people trying in different different way to switch on the mobile which got stuck and boot loop mode I found a simple way with all in one tool for Android I am giving you a description or a link below just to flash TWRP recovery and don't forget to select after flash reboot you have to select tick mark it's the best way you can boot load your phone very very simple way to do that
Download Link
https://basketbuild.com/devs/mauronofrio/TOOL

Locked in fastboot mode after sideloading Lineage OS

I was running on OOS 10.3 rooted with Magisk and flashed TWRP.
I tried to install Lineage OS 16 (the last version from the official website), but after sideloading it and the superSU file in TWRP I could only reboot in the Lineage recovery mode. I tried to flash a unofficial version of Lineage 17 but still not working, the Lineage recovery mode just became rainbow colored. Then I tried to do a factory reset and flash an OOS and since then I have no more access to the recovery mode and the only thing I have when I try to access it or when I turn on the phone is the unlocked boot loader message. I can only access the fastboot mode. Sometimes when I turn it on, I also have the Qualcomm Crashdump message, but nor every time.
I read about MSM, but I'm running on mac OS... Any ideas of solutions I can try with mac terminal?
Thanks for your help
lifeisblue said:
I was running on OOS 10.3 rooted with Magisk and flashed TWRP.
I tried to install Lineage OS 16 (the last version from the official website), but after sideloading it and the superSU file in TWRP I could only reboot in the Lineage recovery mode. I tried to flash a unofficial version of Lineage 17 but still not working, the Lineage recovery mode just became rainbow colored. Then I tried to do a factory reset and flash an OOS and since then I have no more access to the recovery mode and the only thing I have when I try to access it or when I turn on the phone is the unlocked boot loader message. I can only access the fastboot mode. Sometimes when I turn it on, I also have the Qualcomm Crashdump message, but nor every time.
I read about MSM, but I'm running on mac OS... Any ideas of solutions I can try with mac terminal?
Thanks for your help
Click to expand...
Click to collapse
Fastboot ROM. It's available in the Guides Section and the Instructions are pretty straightforward. You can Google "OP6T Fastboot ROM". Also, from the looks of it, you didn't flash LOS Correctly.
lifeisblue said:
I was running on OOS 10.3 rooted with Magisk and flashed TWRP.
I tried to install Lineage OS 16 (the last version from the official website), but after sideloading it and the superSU file in TWRP I could only reboot in the Lineage recovery mode.
Click to expand...
Click to collapse
If you had TWRP why sideload LOS? Here's how I flash LOS.
Thank you very much for your advices, I managed to flash OOS back and install successfully Lineage OS 17.1 ! :good:
lifeisblue said:
Thank you very much for your advices, I managed to flash OOS back and install successfully Lineage OS 17.1 ! :good:
Click to expand...
Click to collapse
what did you do different this time to get a working LOS? Did you use the fadtboot ROM?
Hp6t said:
what did you do different this time to get a working LOS? Did you use the fadtboot ROM?
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Click to collapse
I fastbooted the original ROM and installed TWRP back. Then I used TWRP to install LOS from a zip file. Basically I followed OhioYJ's instructions on his comment above.

Samsung fastboot confirmed

I have successfully used fastboot to flash TWRP to my Tab S5e. Android 10 moved fastboot to userspace as fastbootd and if you have the right recovery it works on Samsung. I used Lineage recovery from local 17.1 build on my machine. Got curious about fastboot options in recovery and it works. Check this to better understand https://source.android.com/devices/bootloader/fastbootd Yep that is source.android link no joke. Device codename can be seen in screenshots.
Does this mean we can flash TWRP Recovery and then just root it with flashing Magisk via TWRP recovery? Thanks.
IngoPan said:
Does this mean we can flash TWRP Recovery and then just root it with flashing Magisk via TWRP recovery? Thanks.
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Sort of, if you already have LineageOS or another custom ROM that supports it. Stock samsung does not support fastbootd. AOSP based roms should have it as of android 10. It also requires the recovery be compatable. Lineage recovery provides access current TWRP did not. It is explained here https://source.android.com/devices/bootloader/fastbootd . It's a neat trick but not for initial root or custom recovery, still same as always you have to have it before you can get it. It does not replace Odin and the same steps are required as always to root or install twrp on stock Samsung. But once you have access it works to flash magisk_patched.img on LOS which can be good since Lineage 17.1 does not have official su support.

How to do TWRP after magisk is flashed

Basic information:
My Device: Samsung Galaxy Tab S5e, (SM-T725C)
Magisk: Magisk is installed, using falsh patched image.
TWRP link: https://twrp.me/samsung/samsunggalaxytabs5elte.html
Issue:
Now I wish to install TWRP to my device, but I can't. I followed the instruction on TWRP page, install TWRP app via google play, download the vbmeta.tar and flash it. Now I ended up with the result that I can't get into my system. (When I enter recovery, it's TWRP, when I boot normally, it just stays with samsung logo.)
I managed to reflash the magisk patched image and now I can boot into the system. But how can I flash TWRP, with magisk enabled at same time?
(I use TWRP to flash opengapps because google apps are not included in Chinese version of Samsung system)
LanhuaMa said:
Basic information:
My Device: Samsung Galaxy Tab S5e, (SM-T725C)
Magisk: Magisk is installed, using falsh patched image.
TWRP link: https://twrp.me/samsung/samsunggalaxytabs5elte.html
Issue:
Now I wish to install TWRP to my device, but I can't. I followed the instruction on TWRP page, install TWRP app via google play, download the vbmeta.tar and flash it. Now I ended up with the result that I can't get into my system. (When I enter recovery, it's TWRP, when I boot normally, it just stays with samsung logo.)
I managed to reflash the magisk patched image and now I can boot into the system. But how can I flash TWRP, with magisk enabled at same time?
(I use TWRP to flash opengapps because google apps are not included in Chinese version of Samsung system)
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Click to collapse
I dont know if this works with the latest update, but it certenly worked with android pie and the first android 10 update.
Edit 'I have just seen your device is a different number so may not work'
Instal TWRP without a P.C. for Galaxy Tab S5e (SM-T720) keeping stock ROM.
I wrote this guide because I had difficulty trying to instal a patched version of twrp through odin so I found this alternative way which worked very well for me. Please read all through especially the warning at the end before attempting to...
forum.xda-developers.com
Hope this helps
Ex tall

N9005 problem installing twrp

I have an N9005 device, it comes with default stock rom (5.0 lollipop), the problem is I tried to install the last TWRP version but it doesn't boot into twrp, I can only install old twrp version 2.8.7.0, and I cannot manage to get it to boot into last twrp version, as I want to install an android 12 rom and can't do it unless I have latest twrp version.
What could i do to install an android 12 rom coming from stock rom?
Install LineageOS on hlte | LineageOS Wiki
wiki.lineageos.org
If something doesn't work, you must describe it precisely, showing messages or screens.
ze7zez said:
Install LineageOS on hlte | LineageOS Wiki
wiki.lineageos.org
If something doesn't work, you must describe it precisely, showing messages or screens.
Click to expand...
Click to collapse
There's no message or screen, if i flash twrp 3.7 using Odín or adb it directly boots normal when i try to boot into recovery, but if I flash old twrp versión (2.7) it works fine
You don't need to install version 3.7 right away. Do a trial with twrp-3.5.0_9-0-hlte.img first, but flash it directly from TWRP, not through Odin. Use the IMG option to flash the recovery partition.

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