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> Rooting the Cosmo Communicator
post Nov 18 2019, 04:37 AM
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QUOTE(ZimbiX @ Nov 17 2019, 06:23 PM) *
QUOTE(v3ritas @ Nov 18 2019, 08:13 AM) *
I forget how I was getting root on my Gemini while using stock firmware, but may be similar to this.

For the Gemini, Planet provided a pre-rooted boot.img for us to flash with the SP Flash Tool. Unless you're saying you might have done something else.

QUOTE(v3ritas @ Nov 18 2019, 08:13 AM) *
Do we have recovery images yet for the Cosmo? May need those (either for root or when I inevitably break something while trying to root).

Not that I know of. I did come across this last night though: 'Mediatek (MTK) Auto TWRP recovery porter by Team Hovatek' - https://forum.hovatek.com/thread-21839.html. It looks recently developed enough that it might just work once we extract the stock recovery image biggrin.gif These Hovatek people are champs.

Good luck! And let us know what you learn

It's using the "new" unlocking commands (`fastboot flashing unlock`), but currently hung at the prompt because I can't find out what's bound as the volume keys on the device. Going to try to play around with it while I'm at work today.

Here's some info from `fastboot getvar all` though:
? ~ fastboot getvar all
(bootloader) max-download-size: 0x8000000
(bootloader) variant:
(bootloader) logical-block-size: 0x200
(bootloader) erase-block-size: 0x80000
(bootloader) hw-revision: ca00
(bootloader) battery-soc-ok: yes
(bootloader) battery-voltage: 3734mV
(bootloader) partition-size:flashinfo: 1000000
(bootloader) partition-type:flashinfo: raw data
(bootloader) partition-size:otp: 2b00000
(bootloader) partition-type:otp: raw data
(bootloader) partition-size:userdata: 1be53f8000
(bootloader) partition-type:userdata: ext4
(bootloader) partition-size:cache: 1b000000
(bootloader) partition-type:cache: ext4
(bootloader) partition-size:system: c0000000
(bootloader) partition-type:system: ext4
(bootloader) partition-size:vendor: 35800000
(bootloader) partition-type:vendor: ext4
(bootloader) partition-size:tee2: c00000
(bootloader) partition-type:tee2: raw data
(bootloader) partition-size:tee1: 500000
(bootloader) partition-type:tee1: raw data
(bootloader) partition-size:dtbo: 800000
(bootloader) partition-type:dtbo: raw data
(bootloader) partition-size:logo: 800000
(bootloader) partition-type:logo: raw data
(bootloader) partition-size:boot: 2000000
(bootloader) partition-type:boot: raw data
(bootloader) partition-size:lk2: 100000
(bootloader) partition-type:lk2: raw data
(bootloader) partition-size:lk: 100000
(bootloader) partition-type:lk: raw data
(bootloader) partition-size:nvram: 4000000
(bootloader) partition-type:nvram: raw data
(bootloader) partition-size:gz2: 1000000
(bootloader) partition-type:gz2: raw data
(bootloader) partition-size:gz1: 1000000
(bootloader) partition-type:gz1: raw data
(bootloader) partition-size:cam_vpu3: f00000
(bootloader) partition-type:cam_vpu3: raw data
(bootloader) partition-size:cam_vpu2: f00000
(bootloader) partition-type:cam_vpu2: raw data
(bootloader) partition-size:cam_vpu1: f00000
(bootloader) partition-type:cam_vpu1: raw data
(bootloader) partition-size:sspm_2: 100000
(bootloader) partition-type:sspm_2: raw data
(bootloader) partition-size:sspm_1: 100000
(bootloader) partition-type:sspm_1: raw data
(bootloader) partition-size:scp2: 600000
(bootloader) partition-type:scp2: raw data
(bootloader) partition-size:scp1: 600000
(bootloader) partition-type:scp1: raw data
(bootloader) partition-size:spmfw: 100000
(bootloader) partition-type:spmfw: raw data
(bootloader) partition-size:md1dsp: 1000000
(bootloader) partition-type:md1dsp: raw data
(bootloader) partition-size:md1img: 6400000
(bootloader) partition-type:md1img: raw data
(bootloader) partition-size:proinfo: 300000
(bootloader) partition-type:proinfo: raw data
(bootloader) partition-size:sec1: 200000
(bootloader) partition-type:sec1: raw data
(bootloader) partition-size:persist: 3000000
(bootloader) partition-type:persist: ext4
(bootloader) partition-size:seccfg: 800000
(bootloader) partition-type:seccfg: raw data
(bootloader) partition-size:protect2: 978000
(bootloader) partition-type:protect2: ext4
(bootloader) partition-size:protect1: 800000
(bootloader) partition-type:protect1: ext4
(bootloader) partition-size:metadata: 2000000
(bootloader) partition-type:metadata: raw data
(bootloader) partition-size:nvdata: 4000000
(bootloader) partition-type:nvdata: ext4
(bootloader) partition-size:nvcfg: 2000000
(bootloader) partition-type:nvcfg: ext4
(bootloader) partition-size:frp: 100000
(bootloader) partition-type:frp: raw data
(bootloader) partition-size:expdb: 1400000
(bootloader) partition-type:expdb: raw data
(bootloader) partition-size:para: 80000
(bootloader) partition-type:para: raw data
(bootloader) partition-size:recovery: 2000000
(bootloader) partition-type:recovery: raw data
(bootloader) partition-size:boot_para: 100000
(bootloader) partition-type:boot_para: raw data
(bootloader) partition-size:preloader: 80000
(bootloader) partition-type:preloader: raw data
(bootloader) serialno: << Redacted >>
(bootloader) off-mode-charge: 1
(bootloader) warranty: yes
(bootloader) unlocked: no
(bootloader) secure: yes
(bootloader) kernel: lk
(bootloader) product: k71v1_64_bsp
(bootloader) slot-count: 0
(bootloader) version-baseband: MOLY.LR12A.R3.MP.V66.11
(bootloader) version-bootloader: k71v1_64_bsp-7c4ca86-20191029135153-201
(bootloader) version-preloader:
(bootloader) version: 0.5
all: Done!!
Finished. Total time: 0.015s
? ~

EDIT: Added the unlocking command above: `fastboot flashing unlock`

EDIT2: Okay, got the bootoader unlocked -- it looks like the button(s) in the fingerprint sensor are bound to volume. After hitting that I was able to actually get it through the unlock process. Now to see about getting a boot image to modify with Magisk for root.
? ~ fastboot getvar all
(bootloader) unlocked: yes
(bootloader) secure: no
? ~
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post Nov 18 2019, 06:02 PM
Post #17

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I'm pretty much stuck. Tried a few different things I found online related to getting a dump of the current firmware, but wasn't successful. Trying to avoid using any app I come across (also running Linux), but through one of the tutorials I have a template for the scatter file. I'm attaching it here in case it helps anyone else out.

Going to keep trying, but don't think I'll be able to accomplish anything before Planet releases the firmware or a way for us to root themselves.

EDIT: Might have the wrong chip there -- the MT6771 appears to be for MediaTek P60, not the Cosmo's P70.
Attached File(s)
Attached File  MT6771_Android_scatter.txt ( 1.01K ) Number of downloads: 4
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RSS Lo-Fi Version Time is now: 20th November 2019 - 05:22 AM