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[NABI][MTK][ROOT][MAGISK][RECOVERY] Nabi SE discussion thread

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DISCLAIMER: Neither I nor XDA or the members of this site can be held responsible for any data loss or hardware damage caused by the use the tools, firmware and applications mentioned or linked to in this thread.





The nabi SE is an Android-based tablet computer produced by Mattel under the Fuhu Nabi line. Released in 2016, the SE runs on Android 6.0 "Marshmallow" utilising a MediaTek MT8127 system-on-chip. Like some of the tablets from their line-up, a number of variants themed after popular children's franchises by Mattel were also produced, differing only in bundled content, branding and certain exclusive apps e.g. streaming video players with variant-specific content; ROMs used for all nabi SE variants are largely the same and appear to be mutually compatible.
Tech specs:
  • 1.3 Ghz MediaTek MT8127 quad-core processor
  • ARM Mali 450MP GPU
  • 1GB RAM
  • 7" capacitive touch screen with 1024x600 resolution
  • 16GB ROM (8GB user-accessible, expandable to 32GB with a microSD card)
  • Android 6.0 Marshmallow with Blue Morpho UI
  • 0.3 MP front camera
  • 2 MP rear camera (720p video)
  • 2500mAh rechargeable lithium-ion battery
  • Sensors: Accelerometer
  • GPS: no
  • FM radio: no
Depending on the variant, the tablet may also come bundled with content based on characters from their respective franchises. The American Girl edition for example has videos and games featuring characters from the line, namely Isabelle Dance Studio, Grace Sweet Shop, Maryellen Rocket Rally and Scene Sounds. As with most children's tablets, it has parental controls built in and Google Play services.

Magisk Root
So far Beta 16.3 is known to work (albeit with some issues) as previous versions churn out a corrupt image. I am not sure why flashing Magisk through TWRP won't work, but I might look into it some time.

Bootloader unlock
That in my opinion is what I like about the Nabi compared to the LeapFrog Epic I previously covered in another thread. Dunno if it does matter to unlock, but since there is at least some boot-level enforcement going on I'd say you should perform a bootloader unlock to be sure. Make sure to install ADB/Fastboot drivers, then in developer options, tick OEM Unlocking to allow the bootloader to be tampered with. Turn off the device, then reboot to fastboot mode by holding power and volume up for a few seconds until a DOS-ish prompt appears. Select fastboot mode, then press volume down. Now plug in the device to your PC, and in a command prompt, key in "fastboot oem unlock" sans quotes. A warning will then appear, which you should say yes to. If done properly, you should now have an unlocked Nabi SE.

Issues
Tablet is stuck in fastboot mode
I've heard from a number of parents over at the Nabi Facebook page that their children's tablets somehow get stuck at this prompt...
Code:
=> FASTBOOT mode...
or this...
Code:
Select Boot Mode:
[Recovery Mode]
[Fastboot Mode]     <<=
[Normal Mode]
...likely due to kids unwittingly fiddling around with the volume and power buttons. I've made a small batch-based utility for getting them out of limbo, but as I only own a regular Nabi SE and an American Girl variant, I'd like to ask those who own the other editions to PM me for details. Once that's done I'll release it ASAP.

Forced encryption
Encryption is permanently enabled by default in this device. Which is a good thing as far as security goes, but it's crapshoot when you're trying to make backups. I think this could be fixed with Magisk but I haven't thoroughly tested it yet. You can however format /data and mount it through TWRP though, if that's any consolation. :P
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1st April 2018, 03:18 AM |#2  
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Stock ROMs:
NOTE: The following ROMs can only be flashed through SP Flash Tool v5.1532. Make sure to have a full backup of your device ready before attempting any flashing procedures!
Code:
NBTY07SMKG-US (vanilla Nabi SE):
https://www.4shared.com/s/fUzxacJrUfi

NBTY07SMKG-US-AG (American Girl edition - ABD7AG20160823A00):
https://mega.nz/#!b5RgFTgK!da1QDYFo3EMZI5SqNtY2lHPUqz2g6eUJJTI_rF1t4wI
https://www.androidfilehost.com/?fid=11410963190603899020

NBTY07SMKG-US-BB (Barbie edition):
https://www.4shared.com/s/fvn6nAvZ_gm
https://androidfilehost.com/?fid=11410963190603905324

NBTY07SMKG-US-HW (Hot Wheels edition):
https://www.4shared.com/s/fa3Ez7lgOfi
https://androidfilehost.com/?fid=11410963190603905325

Nabi SE demo-to-retail conversion package (will post instructions later):
https://mega.nz/#!HxQGWA5Z!7A4N1FDWeSDGBFG3ASmLydWqjeIUP8z253HXZJ7Cxpk
Custom recovery images:
TWRP 3.0.2.0
NOTE: Same note as the full scatter packages above. Can be flashed either through fastboot or using SP Flash Tool. If you are unable to boot to fastboot mode in order to do a bootloader unlock and thus flash the following recoveries, try flashing this LK binary attached in this post.
Code:
https://github.com/huckleberrypie/device_Mattel_NabiSE
https://github.com/TeamWin/device_Mattel_NabiSE

More screenshots can be found here: https://imgur.com/a/JT1HC

TWRP 3.0.2.0 for American Girl edition
NOTE: Same note as the full scatter packages above. Can be flashed either through fastboot or using SP Flash Tool.
Code:
https://github.com/huckleberrypie/device_Mattel_NabiSE/releases/tag/1.0-AG

More screenshots can be found here: https://imgur.com/a/oyPO2I0

Carliv Touch Recovery
Mad props to AMR Development for this one.
Code:
https://mega.nz/#!z0ZHwC4a!2AlpIQJTxJnpVYa29ZFKqXQzQThO-vBvS4xnBQndhCg
Source tree: https://mega.nz/#!v0YlCDJI!5NXZcsJrJf-JdxHCcC_CiSXtXZwCENfr5rkdMBfQyh8

More screenshots can be found here: https://imgur.com/a/mZR3f

Custom ROMs:
TBD; debloated stock ROM being planned

Known variants
NBTY07SMKG-US / Nabi SE
3.0.9 - ABD7TY20160831A00
NBTY07SMKG-US-AG / Nabi SE (American Girl)
3.0.10 - ABD7AG20160823A00
NBTY07SMKG-US-BB / Nabi SE (Barbie)
???
NBTY07SMKG-US-HW / Nabi SE (Hot Wheels)
???
NBTY07SMKG-US-DM / Nabi SE (Store Demo Unit)
3.0
NBTY07SMKG-US-TF / Nabi SE (Thomas and Friends; cancelled)
???
20th April 2018, 04:37 AM |#3  
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I'm getting bootloops after following directions directly on a nabi se, not asking for responsibility but maybe people shouldn't follow this guide...
1st May 2018, 07:24 AM |#4  
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Quote:
Originally Posted by Gigabuster

I'm getting bootloops after following directions directly on a nabi se, not asking for responsibility but maybe people shouldn't follow this guide...

Did you flash this on a stock vanilla Nabi SE using SP Flash Tool? I never had any problems getting it to run on my SE; I don't get how this has been causing bootloops on your unit. :/
7th May 2018, 08:13 AM |#5  
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instructions
Quote:
Originally Posted by blakegriplingph

Did you flash this on a stock vanilla Nabi SE using SP Flash Tool? I never had any problems getting it to run on my SE; I don't get how this has been causing bootloops on your unit. :/

c
Can you help me i been trying to get a demo to retail. but i been unable im not a computer tech i been able to get into de fastboot mode , but i dont know what to do next.
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7th May 2018, 09:25 AM |#6  
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Quote:
Originally Posted by monas3

c
Can you help me i been trying to get a demo to retail. but i been unable im not a computer tech i been able to get into de fastboot mode , but i dont know what to do next.

In this case you don't have to use fastboot. Turn off the device (there doesn't seem to be any other method of turning it off other than draining the battery on purpose :/), then perform a readback using SP Flash Tool. I don't have the scatter file from the demo unit atm (addresses/offsets specific to demo are in that text file), but I'll PM you the full details ASAP.
3rd June 2018, 05:32 AM |#7  
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There, just built another TWRP variant for the American Girl edition. Dunno if anyone would care but I decided to do so should anyone somehow get their hands on such a unit. Links are on my original post.
9th June 2018, 07:11 AM |#8  
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Quote:
Originally Posted by blakegriplingph

There, just built another TWRP variant for the American Girl edition. Dunno if anyone would care but I decided to do so should anyone somehow get their hands on such a unit. Links are on my original post.

Thank you!
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9th June 2018, 07:20 AM |#9  
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Quote:
Originally Posted by cjlopez213

Thank you!

I presume you happen to have an American Girl tablet as well, right? Just let me know if you run into anything and make sure you made a backup of your tablet's firmware first, OK?
9th June 2018, 07:23 AM |#10  
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Quote:
Originally Posted by blakegriplingph

I presume you happen to have an American Girl tablet as well, right? Just let me know if you run into anything and make sure you made a backup of your tablet's firmware first, OK?

Yeah I got a Barbie for my youngest and an American Girl for my older daughter. I think the Barbie tablet is fine without root. I'll be sure to keep you posted in case I get some errors.
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9th June 2018, 07:26 AM |#11  
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Quote:
Originally Posted by cjlopez213

Yeah I got a Barbie for my youngest and an American Girl for my older daughter. I think the Barbie tablet is fine without root. I'll be sure to keep you posted in case I get some errors.

Cool! I've actually been looking for someone who owns a Barbie and Hot Wheels edition for quite some time lol. Needed the firmware from those for my collection, and of course for the greater good, if you know what I mean.
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