Please could you explain exactly which part of the tread you followed or what steps you did? Looking at the thread, it seems they are talking about the klte, the Samsung s5 and not the gtexwifixx. I would really like to run a more well supported version of android on this tablet but I do not understand this tutorial
[RECOVERY][ROOT][TWRP 3.2.1-1][Magisk v14] Samsung Galaxy Tab A6 SM-T280/SM-T285
- Thread starter ashyx
- Start date
Bertonumber1
Senior Member
Anyone got a link for this patched magisk file? There are no mirrors given the age ... Wanting root to rid some of the crap from this device...
TWRP custom recovery for the Tab A SM-T280/T285. Latest build is 3.2.1-1
Disclaimer: you flash these at your own risk. Knox counter will be tripped. Having the stock firmware to hand is also advised.
NOTE: BEFORE MAKING MODIFICATIONS, ON SOME ANDROID 5.1.1/6.0 DEVICES IT IS NECESSARY TO GO TO:
Settings -> Developer Options -> OEM unlocking
AND ENABLE OEM UNLOCK FIRST OR YOU MAY ENCOUNTER 'BLOCKED BY FRP LOCK' WHEN FLASHING.
UPDATE 08/01/2018 - TWRP updated to version 3.2.1-1
UPDATE 21/11/2017 - Magisk updated to v14
UPDATE 26/10/2016: GUI lag fix - Lag in the GUI should now be fixed
MTP fix - MTP should now be working
To install TWRP:
1. Flash with ODIN 3.10.7 in the AP slot.
Uncheck Auto reboot.
2. Load the respective file below into the AP slot and hit start.
3. After flashing when ODIN says PASS immediately reboot to recovery by holding POWER + HOME + VOL DOWN.
As soon as the screen goes blank change to VOL UP whilst still holding the other buttons.
You should now see TWRP recovery.
DOWNLOAD:
TWRP_3.0.2-1_SM-T280_261016
twrp_3.2.1-1_sm-t280_080118
twrp_3.2.1-1_sm-t285_080118
(FIXED)
NOTE: at the moment there seems to be a bug which causes the GUI to get a little laggy. If things stop responding just be patient and wait for the GUI to respond. I'm looking into this.
For Systemless Root with SuperSu.
1. Install Supersu via TWRP
SR1-SuperSU-v2.78-SR1-20160915123031
This step only required for the SM-T280
2 . Flash the PRE-ROOTED boot image below with ODIN(AP slot) or TWRP(extract boot.img first from tar file). Current version is [SR1-SuperSU-v2.78-SR1-20160915123031].
supersu_2.78_SR1_systemless_boot_t280
3. Reboot
4. Check you have root
To install Magisk v14:
1. Download Magisk v14 to your device
Magisk v14
2. Install the Magisk v14 zip with TWRP
This step only required for the T280
3. Flash the patched boot image below with TWRP.
magiskv14_boot_aqd1
4. Reboot
5. Install Magisk manager
Magisk Manager
PLEASE LEAVE FEEDBACK IF YOU FIND MY WORK USEFUL. THANKS.
DONATE ME HERE IF YOU WANT TO BUY ME A BEER OR HIT THE THANKS BUTTON IF I HELPED YOU
Regards
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TWRP custom recovery for the Tab A SM-T280/T285. Latest build is 3.2.1-1
Disclaimer: you flash these at your own risk. Knox counter will be tripped. Having the stock firmware to hand is also advised.
NOTE: BEFORE MAKING MODIFICATIONS, ON SOME ANDROID 5.1.1/6.0 DEVICES IT IS NECESSARY TO GO TO:
Settings -> Developer Options -> OEM unlocking
AND ENABLE OEM UNLOCK FIRST OR YOU MAY ENCOUNTER 'BLOCKED BY FRP LOCK' WHEN FLASHING.
UPDATE 08/01/2018 - TWRP updated to version 3.2.1-1
UPDATE 21/11/2017 - Magisk updated to v14
UPDATE 26/10/2016: GUI lag fix - Lag in the GUI should now be fixed
MTP fix - MTP should now be working
To install TWRP:
1. Flash with ODIN 3.10.7 in the AP slot.
Uncheck Auto reboot.
2. Load the respective file below into the AP slot and hit start.
3. After flashing when ODIN says PASS immediately reboot to recovery by holding POWER + HOME + VOL DOWN.
As soon as the screen goes blank change to VOL UP whilst still holding the other buttons.
You should now see TWRP recovery.
DOWNLOAD:
TWRP_3.0.2-1_SM-T280_261016
twrp_3.2.1-1_sm-t280_080118
twrp_3.2.1-1_sm-t285_080118
NOTE: at the moment there seems to be a bug which causes the GUI to get a little laggy. If things stop responding just be patient and wait for the GUI to respond. I'm looking into this.
For Systemless Root with SuperSu.
1. Install Supersu via TWRP
SR1-SuperSU-v2.78-SR1-20160915123031
This step only required for the SM-T280
2 . Flash the PRE-ROOTED boot image below with ODIN(AP slot) or TWRP(extract boot.img first from tar file). Current version is [SR1-SuperSU-v2.78-SR1-20160915123031].
supersu_2.78_SR1_systemless_boot_t280
3. Reboot
4. Check you have root
To install Magisk v14:
1. Download Magisk v14 to your device
Magisk v14
2. Install the Magisk v14 zip with TWRP
This step only required for the T280
3. Flash the patched boot image below with TWRP.
magiskv14_boot_aqd1
4. Reboot
5. Install Magisk manager
Magisk Manager
PLEASE LEAVE FEEDBACK IF YOU FIND MY WORK USEFUL. THANKS.
DONATE ME HERE IF YOU WANT TO BUY ME A BEER OR HIT THE THANKS BUTTON IF I HELPED YOU
5
Hi Jed, after trying various different configs in twrp and even modifying the graphics source code it made no difference.
Using the the touch debugger in twrp it was apparent that the touch was responding fine.
So I turned my attention to the kernel.
After several builds of modifying the cpu config making no difference, it turns out TWRP only supports double buffering, but the kernel was forcing triple buffering.
It seems this was causing an extra frame to be displayed causing what seemed like lag and explains why when pressing the screen a second time would cause the frame to update.
The page that was in ram had changed when tapping a button, but the wrong frame in the buffer was displayed until the next touch which then updated the display.
Disabling triple buffering in the kernel fixed the issue.32
