butter

How likely am I to brick the fairphone 4 if I buy one?

https://midwest.social/post/1725404

How likely am I to brick the fairphone 4 if I buy one? - midwest.social

Thinking about buying the fairphone 4. Coming from oneplus 8, which is almost unbrickable, thanks to an EDL MSM tool. Obviously, I’d be careful. But am I likely to brick a fp4 by ROM hopping? Is it dangerous enough that I should not go into buying this phone with the intention of installing a ROM? Mainly, I want to play with Ubuntu Touch, PostmarketOS, and maybe sailfish. But I figure if those don’t quite work out, I’ll land on Lineage with MicroG or /e/, since that’ll be stock fp4 in the US.

Aug 4, 2023 at 7:40pmWeb
Show threadnottheengineerAug 4, 2023
You’ll be fine if you read the manual properly before flashing. I’ve done some very sketchy shit to my Oneplus 8 because I knew I could save it with EDL if I screwed up, but that never ended up happening.
Show threadbutterAug 4, 2023
I used EDL all the time. Basically in between any ROM I tried, I used EDL
Show threadakiratoriyamaAug 5, 2023
Is edl stuff still working with newer oneplus phones?
Show threadbutterAug 5, 2023
No idea. I think it’s considered an exploit as a proprietary Qualcomm feature. It’s just lucky we have it here.
Show threadAnti Weeb PenguinAug 4, 2023
I don’t think you can brick the FP4 that easily, just be careful with TWRP backups, they don’t work well with dynamic partitions.
Show threadbutterAug 4, 2023
I don’t believe in OS backups. I tend to back up the few important files, and just rebuild everything on the other side.
Show threadnottheengineerAug 4, 2023
While I agree that a clean install should be the goal, an OS Backup allows you to go back if you screw up or forgot to backup a specific file.
Show threadCringyMikamiAug 4, 2023

Just be careful if you test several android roms, the phone uses anti rollback (ARB), like pixel phones. In certain circumstances it’s possible to brick the phone, and you’ll have to send it to fairphone.

With android roms that allow relocking the fairphone bootloader (Calyx and Divest for instance), really check if the bootloader can be relocked via fastboot command-line, it will brick if it’s not the case.

I spent some time reading before attempting anything on it and it went rather smoothly, I don’t hop a lot between roms though.

Show threadbutterAug 4, 2023

The goal is always not to hop. It just comes down to how long it takes to find a ROM you like.

Anyway, I don’t intend to relock. Not unless someone releases an EDL tool. Then I’ll use Stock Locked probably for a while.

Show threadCringyMikamiAug 5, 2023

This discussion about bricking the phone after a locking attempt is interesting, also mentioned on the Divest wiki : forum.fairphone.com/t/…/280

I just used fastboot to get the locking ability, the result was 1 so it could be locked, I did and it went ok. No problem since.

Trapped in fastboot mode with locked bootloader and corrupted custom ROM

So, running that command where in the sequence prevents bricking?

Fairphone Community Forum
Show threadakiratoriyamaAug 5, 2023
Doesn’t make sense why they would implement arb in this phone.
Show threadCringyMikamiAug 5, 2023

That’s what some people said online but yes there is ideed arb on it, there are some technical details on the /e/OS FP4 page for instance : doc.e.foundation/devices/FP4/install.

I was using Calyx and went to Divest with relative ease, atlhough I did pay attention to the security patch level before jumping, having to send the phone to fairphone would be really annoying.

Install /e/OS on a Fairphone FP4 - “FP4”

Show threadsmileyheadFeb 11, 2024
And before locking check if the ROM boots at all! Locking will wipe data anyway, so it’s better safe than sorry as a button to allow unlocking is in the system settings.
Show threadbranchialAug 4, 2023

There’s a huge warning especially for FP4 on the divestos installation page. Locking the bootloader was problematic on occasion so make sure to check whether it’s lockable before you lock it.

The phone’s main operating system is signed with the public test keys from google though, so any security measure regarding that should be relatively easy to circumvent if you know how to sign your own OS.

Show threadbutterAug 4, 2023
I do not. I’ll probably avoid locking anything but stock or LOS. Pretty sure those are fine
Show threadijeffAug 4, 2023
Leaving this one up since there are already responses below, but just a friendly reminder about rule 2 in the sidebar. We ask that posts like these be made on [email protected] instead. Thanks!
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Show threadGameyAug 5, 2023
You should get a bot for that!
Show threadijeffAug 5, 2023
I’m waiting patiently for that and other moderating tools. I’ve also been having to manually send a message to people whenever their posts are removed. 😭
Show threadGameyAug 5, 2023
Oof, Mastodon is proof that the Fediverse can come up with good moderation tools but it kind of took Gab to do so, let’s hope it won’t be that way with Lemmy!
Show threadIm28xwaAug 5, 2023
Highly unlikely if you follow the instructions