Loading different operating system warning – safe to disable oem unlock?

Installation Help
1

Hello,

I’m coming here from FP5 Bootloader relock - #5 by ichich – after I updated to the iode 7.8 beta version which allowed me to relock my bootloader.

So I relocked the bootloader which worked fine, my phone still boots and it also shows that correctly on fastboot oem device-info.

However, now I’m getting the message “Your device is loading a different operating system" just like Any way to avoid your phone has loaded a different operating system?

It seems it’s not possible to avoid this, which is not optimal but ok for me.

I would like to know whether I can safely disable “allow OEM unlocking” in Android’s (i.e. iode’s) developer settings? Is that fine or is it possible to brick the phone?

Sorry if this is a stupid question, but I really don’t want to brick my phone (and I never flashed a ROM before).

It seems to me that if I keep that enabled, it’s basically useless to have a locked bootloader as you can just boot into fastboot and unlock the bootloader from there. So to get the better security I should disable that in iodeOS, right?

(If I disable the option now and it breaks, afaik I will not be able to unlock the bootloader again, i.e. it would be bricked then)

Thanks!

2

As that thread mentions, this is not possible to avoid. It is your “badge of honor” you are using a privacy respecting ROM :slight_smile:

If your bootloader is now locked and booting correctly you should be able to disable “Allow OEM Unlocking”, but honestly you are right, if a future update ever causes an issue that won’t boot, you would then not be able to unlock the device to reflash it and may have a brick. I don’t personally see that keeping it allowed causes any risk for you: If the device is unlocked by a malicious person, then your data is all wiped out. If it is tampered with in any way without unlocking it, it will then refuse to boot as the chain of trust would be broken when it attempts to boot.

“TL;DR:” personally I would just leave it as you have it now :slight_smile: But the decision is yours.

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3

Yes, you’re right. After I wrote my post I also realized that you can’t really unlock the bootloader in a way I would not notice this.

So I’ll keep it enabled.

Btw, I think I didn’t say this yet, but thank you very much for creating iodeOS :wink:

4

I’ll pass your thanks back to Antoine and Vincent :slight_smile:

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