OnePlus 12 Full Specifications Revealed: Snapdragon 8 Gen 3 SoC, 5400mAh battery, 64MP telephoto camera and more
OnePlus 12 Full Specifications Revealed: Snapdragon 8 Gen 3 SoC, 5400mAh battery, 64MP telephoto camera and more

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[Exclusive] OnePlus 12 Full Specifications Revealed: Snapdragon 8 Gen 3 SoC, 5400mAh battery, 64MP telephoto camera and more - Smartprix

How did they give up?
If you're in the US, OnePlus and Google are the only ones who create mobile with bootloaders that can be unlocked. Or are you taking about physical modifications?
Most Motorola phones have unlockable bootloaders. The ones in their range that don't are the carrier specific models.
It just so happens I was looking into this recently. Yes, the bootloaders can be unlocked, but iirc, the OnePlus 9 pro was their last phone that they released an msm tool for. I don't remember what that stands for, but it's a software that's capable of reliably unbricking the phone and restoring it's factory software. Currently, only the people doing repairs and service at OnePlus have access to this tool, but they used to make it public. If you check out xda, phones since the 9 pro haven't seen ANY custom ROM development because it's too risky. Without the msm tool as a safety net, one wrong move can brick a phone. It can be difficult enough flashing a proven ROM, successfully developing a ROM without soft-bricking the phone at least once is probably just about impossible
Edit: okay the 9 pro was the last flagship with an msm tool. https://onepluscommunityserver.com/list/Unbrick_Tools/
You can't unlock the bootloader of Samsung devices in the US?