[RECOVERY][UNOFFICIAL] TWRP 3.3.1 for Galaxy A6+

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Not_Sure

Member
Nov 25, 2019
23
8
github.com
Team Win Recovery Project (Only for Snapdragon-based Galaxy A6+)
Code: 
/*
* Your warranty is now void.
*
* I am 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 doing this to your device
* YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/
Everything from original recovery post is still valid, please read before proceeding.
Information:
  • enabled F2FS support
  • fixed CPU temperature readings
  • fixed time/date (only on ROMs without stock vendor)
  • fixed full-disk encryption (msm keystore implementation)
  • fixed screen brightness setting
  • customized theme
  • compiled from Lineage OS 16 source
Sources: TWRP (upstream), busybox, kernel, device-tree
Downloads: Image, Tarball for Odin
Screenshots:
uc
uc
uc

Changelog:
06.01.2020:
-added fstab, usb init script from ashyx's recovery

Be aware of bootloader bug:
Once you entered recovery there is no way to reboot device in normal/download mode except from recovery itself. Which is problematic if it's not operating correctly.
Ideas how to get out of it in case you stuck in broken recovery:
1. Use adb (provided that it works)
Code: 
 adb reboot
2. Connect keyboard via OTG-adapted and press Alt + SysRq + O to power off device (saved my device).
3. Disconnect battery or let it die while burning bootloader splash into the screen.
4. Use USB Jig to enter download/EDL mode (might be ignored by bootloader just like key-combo).
 
Last edited:
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N

Not_Sure

Member
Nov 25, 2019
23
8
github.com
N

nebkas

Senior Member
Aug 18, 2008
112
30
Bucharest
Not_Sure said:
Sorry, didn't test that in the end.

i omitted some partitions from fstab (and missed other) because i thought that restoring modem/apnhlos from old binary may soft-brick device. But after some testing it appears that it's only checked in download mode. I will add those partitions back in next release.
Click to expand...
Click to collapse

Will you release your Lineage port too?
 
P

pandavova

Senior Member
Feb 9, 2016
119
16
Do you need to use the forced encryption disabler?
I don't really care about the "full functionality" in TWRP, but I want to watch L1 widevine content with my rooted A605FN, and that isn't possible if the /data partition was formated.
But the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip" needs /data access, so I guess the forced encryption disabler is needed for that fix?
And what is the difference between the "fixed full-disk encryption (msm keystore implementation)" in this TWRP Mod and the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip"? Is there even any?
 
A

Ahga

New member
Aug 24, 2012
1
0
Semarang
Last time i tried TWRP and root and there is a bug in lock screen system. is this version have that problem too?
 
N

Not_Sure

Member
Nov 25, 2019
23
8
github.com
pandavova said:
Do you need to use the forced encryption disabler?
I don't really care about the "full functionality" in TWRP, but I want to watch L1 widevine content with my rooted A605FN, and that isn't possible if the /data partition was formated.
But the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip" needs /data access, so I guess the forced encryption disabler is needed for that fix?
And what is the difference between the "fixed full-disk encryption (msm keystore implementation)" in this TWRP Mod and the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip"? Is there even any?
Click to expand...
Click to collapse
It doesn't work not because /data was formatted, but because boot partition was changed which breaks chain of trust.
"fixed full-disk encryption (msm keystore implementation)" means that TWRP can decrypt /data but only when it was encrypted with "SM-A605-keymaster-fix-by-Not_Sure.zip" previously applied. If you have non-rooted stock ROM you still have to format /data first.
 
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Reactions: pandavova
C

Cezariusus

New member
Jul 16, 2020
1
0
Phone stuck on startup loop.

Followed the instructions but the phone looping the Samsung logo indefinitely.
 
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  • 2
    N
    Not_Sure
    Team Win Recovery Project (Only for Snapdragon-based Galaxy A6+)
    Code: 
    /*
* Your warranty is now void.
*
* I am 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 doing this to your device
* YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*/
    Everything from original recovery post is still valid, please read before proceeding.
    Information:
    • enabled F2FS support
    • fixed CPU temperature readings
    • fixed time/date (only on ROMs without stock vendor)
    • fixed full-disk encryption (msm keystore implementation)
    • fixed screen brightness setting
    • customized theme
    • compiled from Lineage OS 16 source
    Sources: TWRP (upstream), busybox, kernel, device-tree
    Downloads: Image, Tarball for Odin
    Screenshots:
    uc
    uc
    uc

    Changelog:
    06.01.2020:
    -added fstab, usb init script from ashyx's recovery

    Be aware of bootloader bug:
    Once you entered recovery there is no way to reboot device in normal/download mode except from recovery itself. Which is problematic if it's not operating correctly.
    Ideas how to get out of it in case you stuck in broken recovery:
    1. Use adb (provided that it works)
    Code: 
     adb reboot
    2. Connect keyboard via OTG-adapted and press Alt + SysRq + O to power off device (saved my device).
    3. Disconnect battery or let it die while burning bootloader splash into the screen.
    4. Use USB Jig to enter download/EDL mode (might be ignored by bootloader just like key-combo).
    View
    1
    N
    Not_Sure
    nebkas said:
    Will you release your Lineage port too?
    Click to expand...
    Click to collapse
    No need, Edgars released it and is working on it now. I'll focus on kernel.
    View
    1
    N
    Not_Sure
    nebkas said:
    MTP doesnt work
    Restore old TWRP backups doesnt work
    Click to expand...
    Click to collapse
    Now it should work.
    View
    1
    N
    Not_Sure
    pandavova said:
    Do you need to use the forced encryption disabler?
    I don't really care about the "full functionality" in TWRP, but I want to watch L1 widevine content with my rooted A605FN, and that isn't possible if the /data partition was formated.
    But the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip" needs /data access, so I guess the forced encryption disabler is needed for that fix?
    And what is the difference between the "fixed full-disk encryption (msm keystore implementation)" in this TWRP Mod and the (old?) "SM-A605-keymaster-fix-by-Not_Sure.zip"? Is there even any?
    Click to expand...
    Click to collapse
    It doesn't work not because /data was formatted, but because boot partition was changed which breaks chain of trust.
    "fixed full-disk encryption (msm keystore implementation)" means that TWRP can decrypt /data but only when it was encrypted with "SM-A605-keymaster-fix-by-Not_Sure.zip" previously applied. If you have non-rooted stock ROM you still have to format /data first.
    View

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