Fire TV Stick 4K (mantis) Prerooted Stock Images [6.2.8.1_r3]

rbox · Oct 14, 2019

As usual, this WILL void your warranty and I am NOT responsible for anything you do with this. Installing it properly won't brick your Fire TV, but doing stupid things with it might.

First, you must be unlocked. You can follow the instructions here for making that happen.

If you are first starting, you should first unlock, then install this ROM, and THEN install Magisk for root or any other addons. This rom uses addon.d to preserve Magisk and any other addons, but any system modifications like Magisk, gapps, etc, that you have installed prior to this ROM will NOT be preserved.

If you've already unlocked and installed Magisk, then after installing this ROM you need to reinstall Magisk in TWRP.

Starting with 6.2.6.6, Magisk is always installed.

Beyond that, Magisk and any other addons will be preserved as you flash newer roms. ~~Consequently, if you would like to remove root, you will need to wipe /system in TWRP prior to installing this ROM. That will prevent it from being restored when installing the ROM.~~

Thanks to @k4y0z and @xyz` for the unlock.

NEVER FLASH A STOCK ROM >= 6.2.8.0 AFTER FLASHING 6.2.8.1_r2 OR LATER! THIS WILL BLOW AN EFUSE.

Changelog and Downloads:

October 24, 2021 - 6.2.8.1_r3 (md5sum: 3795edc2d640932a88da39da8a0811c5)
July 17, 2021 - 6.2.8.1_r2 (md5sum: e9e37a2d485a3397df041938818421e9)
- This includes updated tz firmware to fix the device locking up when trying to play video.
April 3, 2021 - 6.2.8.0_r1 (md5sum: 2efdfc5728caba2953a351a082023a59)
December 26, 2020 - 6.2.7.7_r1 (md5sum: b835e29bb29458004063121a422c1bf7)
May 3, 2020 - 6.2.7.1_r1 (md5sum: 56ec885e5bd258682c90e8f08371301d)
November 10, 2019 - 6.2.6.8_r1 (md5sum: 8cdc16239df36c8640004232918c5477)
October 19, 2019 - 6.2.6.6_r1 (md5sum: df8f3d033fddf66a1b4aa3a6b228196b)
- Starting with this version, Magisk will always be installed.
- This includes updated tz firmware to fix LICENSE_ERROR with Prime video.
October 13, 2019 - 6.2.6.5_r1 (md5sum: bdde0303d8db5495ac6dc2aaf476d2f4)

asislife20 · Oct 14, 2019

Awesome!! Thanks!!

vasir13 · Oct 14, 2019

@rbox,

Quick question,

Initial unlocking and rooting was successful. However, I did what I usually do which is update Magisk using the manager and after the reboot, it is looping @ the amazon image. Any idea?

rbox · Oct 14, 2019

vasir13 said:
@rbox,

Quick question,

Initial unlocking and rooting was successful. However, I did what I usually do which is update Magisk using the manager and after the reboot, it is looping @ the amazon image. Any idea?

From the unlock page:

Important information
Don't flash boot/recovery images from FireOS (FlashFire, MagiskManager etc.)

vasir13 · Oct 14, 2019

rbox said:
From the unlock page:

Important information
Don't flash boot/recovery images from FireOS (FlashFire, MagiskManager etc.)

Yes .... I know ... called selective reading .... I got into TWRP and will try your image now ...

iLLNiSS · Oct 14, 2019

Happy to see the pre-rooted roms from you on mantis! It's starting to feel like the good old days again

TitanUranus · Oct 14, 2019

Thank you, I feel safer already.

Any idea what version of gapps would work on this? Also, any idea if installing nanodroid, patched playstore & patching the ROM for signature spoofing be dangerous (as in bugger up the BL/TWRP)?

puppinoo · Oct 14, 2019

Awesome. This community is great.
Does this work for european (Italian) Sticks? (Prime video, Alexa etc etc).

Regards and Thanks a bunch!

tehlers · Oct 14, 2019

Hi,

I successfully installed the hacked bootloader and TWRP a few days ago, but I did not do anything else. I was still on the original 6.2.5.8 version.

Today I wanted to flash the prerooted 6.2.6.5 and I can't manage to boot it (and since I did not expect problems, I did not make a backup of the old system). I cannot go past the "firetv" boot logo and in this stage "adb logcat" is not yet working, so I don't see any logs.

First boot was just installing the ROM. Second boot with previously wiping Cache / Dalvik. Finally I wiped also data (and Cache/Dalvik again). I cannot get past the boot logo.

So what can I do? Was there a firmware update between 6.2.5.8 and 6.2.6.5, which I need and is not included in the prerooted image? I'm just guessing since I cannot explain anything else...

Thanks Tim

Sus_i · Oct 14, 2019

tehlers said:
So what can I do? Was there a firmware update between 6.2.5.8 and 6.2.6.5, which I need and is not included in the prerooted image? I'm just guessing since I cannot explain anything else...

Have you compared the md5 of the download (push the md5file + ROM and let TWRP check this during install)?

tehlers · Oct 14, 2019

Sus_i said:
Have you compared the md5 of the download (push the md5file + ROM and let TWRP check this during install)?

Yes, I have checked MD5 on my notebook after download, but not after pushing the file to the stick. I will do that now and post it here (with edit). But I doubt this being the issue.

EDIT: MD5 of the zip in the stick is also ok.

Sus_i · Oct 14, 2019

tehlers said:
EDIT: MD5 of the zip in the stick is also ok.

Ok. The prerooted Rom should be a full stock update, rbox said that a few days ago.
Any hardware damages or missing parts on your stick?

Edit: Have you flashed the magisk.zip behind the ROM?

tehlers · Oct 14, 2019

Sus_i said:
Ok. The prerooted Rom should be a full stock update, rbox said that a few days ago.
Any hardware damages or missing parts on your stick?

The hardware is fully ok. The installation of hacked BL worked very smoothly and the stick did work with the original firmware until I flashed the prerooted one today. I have two guesses, but I don't know how to proceed:

1. I know there are sometimes firmware updates on specific fire OS versions, which need to be installed for later versions (for example version 5.2.6.7 on fireTV 2 [sloane]). So if I need a firmware update for 6.2.6.5 (from 6.2.5.8) I should probably flash 6.2.5.8 back and let the fire OS do the first update.

2. Or there is something left from the old version (in one of the partitions) which prevents this version from booting. This would mean that you need to be already on 6.2.6.5 (or at least on a higher version than me), that this ROM works.

In both cases, I would probably recover when getting the original firmware version 6.2.5.8 from somewhere.

EDIT: As I said in the first post, I did not do anything with the original ROM, except flashing the hacked BL and TWRP, no Magisk or whatever.

Best
Tim

Sus_i · Oct 14, 2019

tehlers said:
The hardware is fully ok. The installation of hacked BL worked very smoothly and the stick did work with the original firmware until I flashed the prerooted one today. I have two guesses, but I don't know how to proceed:

1. I know there are sometimes firmware updates on specific fire OS versions, which need to be installed for later versions (for example version 5.2.6.7 on fireTV 2 [sloane]). So if I need a firmware update for 6.2.6.5 (from 6.2.5.8) I should probably flash 6.2.5.8 back and let the fire OS do the first update.

2. Or there is something left from the old version (in one of the partitions) which prevents this version from booting. This would mean that you need to be already on 6.2.6.5 (or at least on a higher version than me), that this ROM works.

In both cases, I would probably recover when getting the original firmware version 6.2.5.8 from somewhere.

Best
Tim

OK :good:
Have you installed the magisk.zip behind the rom? May be it won't start without that? You may try that...

May be that dm-verity and/or SELinux enforcing is a problem without magisk, as magisk take care of that automatically...

T1inkering · Oct 14, 2019

No mouse Emulator support in TWRP with the 4K stick?
How do you install the rom if you don't have USB OTG cable?

tehlers · Oct 14, 2019

Sus_i said:
OK :good:
Have you installed the magisk.zip behind the rom? May be it won't start without that? You may try that...

May be that dm-verity and/or SELinux enforcing is a problem without magisk, as magisk take care of that automatically...

Yes, that's it. Magisk needs to be installed after the "prerooted" image! Now the stick boots up!

Amazing, thank's!

I thought a prerooted image is prerooted.

@rbox: It would be nice, if you could mention this in the first post.

Sus_i · Oct 14, 2019

T1inkering said:
No mouse Emulator support in TWRP with the 4K stick?
How do you install the rom if you don't have USB OTG cable?

for example with ADB / TWRP Commands, something like that...

Code:

adb push ~/Desktop/mantis-6.2.6.5-rooted_r1.zip /sdcard/
adb push ~/Desktop/Magisk-v19.3.zip /sdcard/
adb reboot recovery

adb shell
twrp install /sdcard/mantis-6.2.6.5-rooted_r1.zip
twrp install /sdcard/Magisk-v19.3.zip
twrp wipe cache
twrp wipe dalvik
reboot -p

tehlers said:
Yes, that's it. Magisk needs to be installed after the "prerooted" image! Now the stick boots up!

Amazing, thank's!

I thought a prerooted image is prerooted.

@rbox: It would be nice, if you could mention this in the first post.

It is mentioned.. but not thats an issue without flashing magisk

tehlers · Oct 14, 2019

Sus_i said:
It is mentioned.. but not thats an issue without flashing magisk

That's what I mean. It's not mentioned that you need Magisk in any case (to boot the image as such *and* probably also to get root [which is not prerooted then?]).

Thanks again!

puppinoo · Oct 14, 2019

puppinoo said:
Awesome. This community is great.
Does this work for european (Italian) Sticks? (Prime video, Alexa etc etc).

Regards and Thanks a bunch!

I reply to myself and happy to confirm I installed this "generic" image to my US Stick 4K and after I accept terms of use *Italian* Alexa and Prime video seem to wotk fine.
If I remember well my previous image was the 6.2.5.8 (basically the one I installed when the exploit for Fire TV Stick 2 (Tank) was released but can't be 100% sure.
Now I have to try it on my *Italian* Stick 4k (bought on amazon.it).

Amazing and thanks a lot again.
Puppinoo.

c3po_droid · Oct 14, 2019

So great to see @rbox 'es prerooted roms for the Fire TV Stick 4k

There are some things that I am not familiar with:

1. What is magisk for and what if I don't install it?
2. Does root not work without magisk?

On the older Fire TV Devices we did never have to install magisk or so and it was prerooted with rboxes roms and root was working. Why is everybody talking about magisk? Can magisk break anything or be critical like xposed was on the Fire TV 2 box? I remember that xposed framework was a pretty messy issue for recent Fire TV 2 (Sloane) pre-rooted roms. Magisk seems to go deeply into the system, similar to xposed framework, isn't it?

Fire TV Stick 4K (mantis) Prerooted Stock Images [6.2.8.1_r3]

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