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this post was submitted on 21 Oct 2024
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Asklemmy
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Stay away from any that are the "Verizon version"
Verizon deliberately conflates the term unlocked to mean not locked to a carrier (can use a non-Verizon SIM) instead of the bootloader being unlocked (can install a custom OS ROM such as GrapheneOS or LineageOS).
Their "unlocked" phones are all locked, so if you want a new OS that doesn't have their closed-source spyware then F you for buying the Verizon version
This is what "unlocked" usually means to the general population though. If you search your favourite search engine for "how to unlock phone", most (if not all) results will be either about carrier locks or about getting into the phone if you forget your PIN/password.
Someone knowledgeable enough to even know about the bootloader would usually explicitly say "unlocked bootloader" to avoid the ambiguity.
I wanna run GrapheneOS, so thanks for the heads up.
Based on reviews, the listing in my OP looks like a mixed bag—some reviewers complaining that the boot loader is locked (hence they cannot flash a custom ROM onto it), others complaining that it’s unlocked (hence a security risk)—so if I get this phone, I guess it’s up to chance whether the bootloader is locked or not. 🤞🏻
Unique to the Pixel line, you actually can re-lock the bootloader. So if you can manage ADB fastboot (that is, follow the install process) then I wouldn't worry about the security risk in this case.
The GrapheneOS installation process is exceptionally easy to follow. It's much faster and easier than the old Cyanogenmod days
That is comforting to hear.
As for whether or not I can flash a custom ROM, if the boot loader is locked, then I’m SOL, right? (hence your original comment)
Yes exactly. Before I got my current Pixel 7a I tried to flash a used Pixel 6a (Verizon variant) and ran into the problems above.
Without an unlocked bootloader the install process will fail at step two, Enabling OEM unlocking, of the install guide at https://grapheneos.org/install/web.
The OEM unlocking setting in developer options will be grayed out on all Verizon devices, even if you paid full price for an unlocked phone (not on a payment plan - some OEMs also lock phones while under contract so you can't steal the phone and stop paying. Verizon just locks them all regardless).
There are numerous websites with dodgy software that claim they can bypass the restriction, but in my experience 100% of them are scams. Sometimes well meaning redditors will tell you they got theirs working, but they're conflating OEM unlocking and carrier unlocking (which, so I've read, Verizon employees are specifically trained to conflate)
The specific variant is usually listed by the seller. On Amazon if you're buying it used I believe it would be listed near the condition information from the specific merchant.
You may also be able to message them to ask. The model number is printed on the outside of the original box, and is also available in the About Phone settings page, so it should be easy for the seller to find it.
The model number to avoid is G0DZQ.
GWKK I think is the ideal version, especially if you're traveling overseas. This is the global version so it should have the most radio bands available.
GWKK3 (AT&T version) should work great in the US on a non-Verizon network.
I have the G82U8 version, which apparently was originally for the Japanese market, but it works great for me in the US. I'm using Mint Mobile with GrapheneOS.
(Source https://www.phonemore.com/models/google/pixel-7a/)
GrapheneOS developer is very toxic, if you trust him is up to you. I prefer not running his code on my personal devices, especially after him blaming large parts of his community for coordinated harassment. Watch Louis Rossman's video on it.
Although for security-focussed custom roms on the google pixel, like Calyx or Divest, you can re-lock the bootloader, so there's less security risk. A factory reset is required to unlock it again, similar to a factory bootloader lock.
Even if you don't have a Verizon version initially, when you switch over to them as a carrier, they may push an update to your phone thatt locks the owner out of a bunch of features.
I discovered this when my unlocked Galaxy S8 was moved fron Consumer Cellular to Verizon. -It sucks that after 20+ years they still have better coverage.