Updated Draft Guide: Install Google Play Services

Third-party apps, customisation, mods, development, custom kernels & ROMs

WARNING - Here be dragons!
If you don't entirely understand what you're doing, even following someone else's guide could end up with you bricking your Karoo, or leaving it in an unsupported state with no way to go back. By all means enter, read and learn, but undertake actions on your Karoo at your own risk!
Forum rules
Undertake any procedures at your own risk and make sure you know how to reverse any changes. You could brick your Karoo or at the very least put it into an unsupported configuration.
gl00
Posts: 6
Joined: Wed Mar 14, 2018 6:42 am

Re: Draft Guide: Install Google Play Services

Post by gl00 »

hi guys... I just received a new Karoo with the old firmware...
could anyone share step by step instructions to unlock the bootloader before I update the software ?

thanks !

** nevermind - just got the detailed instructions from jhazelwd

Crewone
Posts: 3
Joined: Sat Apr 14, 2018 3:55 pm

Re: Updated Draft Guide: Install Google Play Services

Post by Crewone »

I can, unfortunately, confirm that unlocking the bootloader is no longer an option. It fails with "Unlock operation is not allowed"

RossA
Posts: 56
Joined: Sat Mar 10, 2018 9:21 am

Re: Updated Draft Guide: Install Google Play Services

Post by RossA »

Apologies if this is an obvious answer. Having added my own apps now via unlocking the Bootlpader if I upgrade to the latest version of software (today’s) will that stop me from adding more apps and accessing them?

If the bootloader is unlocked now will it become locked when I upgrade?

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Steve
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Joined: Tue Mar 06, 2018 2:56 pm
Location: Surrey, UK

Re: Updated Draft Guide: Install Google Play Services

Post by Steve »

No, your bootloader will stay unlocked. It won't re-lock your bootloader when doing an upgrade.

jhazelwd
Posts: 43
Joined: Mon Mar 19, 2018 5:35 pm

Re: Updated Draft Guide: Install Google Play Services

Post by jhazelwd »

Since I've given up on this device, I need to write up instructions on how to pull and tweak the update files so you can easily upgrade/downgrade the Karoo software.

Honestly, you're better off mounting your phone on your bike. Your phone is lighter (not going to break the mount), better screen, and easier to install functional software (if you care about the device data). I've been running Garmins for over 10 years now and never had an issue that wasn't easily solveable. I honestly don't care if the device info is off some, but I want consistency. I love Android and the openness, which allured me to the Karoo, but unfortunately they are closing it down little by little and their engineers aren't up to the task. I've seen this before. Programming is a skill, math is a different skill. Good data requires math expertise. Guess which part they are lacking.

I'll try to get something written up soon.

RustedRoot
Posts: 26
Joined: Thu Mar 08, 2018 3:29 pm

Re: Updated Draft Guide: Install Google Play Services

Post by RustedRoot »

Thanks John. Good of you to update the guide even though you've gone back to Garmin. I'm not far behind you.

danidee
Posts: 1
Joined: Sat Dec 21, 2019 9:22 pm

Re: Updated Draft Guide: Install Google Play Services

Post by danidee »

I just got my karoo 2 weeks ago. Hoping I could sideload/install any app I want by unlocking the bootloader.
After reading this thread, I feel like I've been punched in the stomach :cry:

@jhazelwd is it really possible to revert back to an earlier version and unlock the bootloader? I really like the Karoo and it's pretty stable (Used it about 6 times now) but this is a huge deal-breaker for me because I always believed that the device was totally open.

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Steve
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Joined: Tue Mar 06, 2018 2:56 pm
Location: Surrey, UK

Re: Updated Draft Guide: Install Google Play Services

Post by Steve »

You can't unlock the bootloader unless you manage to find a very early Karoo with early software, before they disabled this.

However, you can still sideload a lot of third-party apps with the locked bootloader. You don't need an unlocked bootloader for sideloading.

dbareis
Posts: 39
Joined: Thu Nov 28, 2019 2:17 am

Re: Updated Draft Guide: Install Google Play Services

Post by dbareis »

I'm tring to unlock the bootloader via adb (disaperaing ions I assume only apply to the UI), I'm stuck at:

Code: Select all

fastboot oem unlock
(Not applicable for all) If you get a confirmation screen on your device. Press Volume Up button to highlight Yes and press Power button to select it. This will begin bootloader unlocking process, which shouldn’t last more than couple of minutes.
Once bootloader is unlocked, your device will reboot into bootloader mode. You need to boot it into system now using the command below:
The YES/NO option comes up but of course the Karoo doesn't have volume buttons (so these instructions appear to make no sense). I tried all the buttons in any case. All buttons cause "unlock failed...".

From what I understand I need to do this to install Google Play Services, and I need that to use apps that need/use notifications.

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Steve
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Re: Updated Draft Guide: Install Google Play Services

Post by Steve »

dbareis wrote:
Mon Jan 13, 2020 4:52 am
I'm tring to unlock the bootloader via adb (disaperaing ions I assume only apply to the UI)
I'm sorry to say that Hammerhead removed the ability to unlock the bootloader many months ago (a year ago or so?). There were protests at the time, but sadly they fell on deaf ears.

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