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We are moving away from hardware glitching (voltage spikes, laser fault injection) toward logical USB exploits like OmniUS. It democratizes unlocking. omnius bootloader unlock
If the vulnerability is in the (flashable), OEMs can push an OTA. However, here is the catch: OmniUS runs before the OS. A user who has already unlocked via OmniUS can simply refuse the OTA, or flash back the vulnerable preloader. If the vulnerability is in the (flashable), OEMs
If the OEM sets secure boot: on and unlock capability: false in the fuses, you are stuck. Usually, the only way out is a paid "authorized unlock" (like Xiaomi's deep test) or a hardware glitch (like the infamous EDL shorting). If the OEM sets secure boot: on and
Historically, Sony Ericsson split its smartphone landscape into two distinct provisioning categories: Unlock bootloader | Developer World