: Both tethered (requires a PC connection at boot) and untethered (permanent) exploits now exist.
Most retail variants are deeply locked.
If custom ROMs sound too risky, there is a middle path. You can stay on the stock Android 8.1 but aggressively strip it down. blackberry key2 custom rom
Installing a custom ROM is not an official process, and it comes with significant risks that you should carefully consider: : Both tethered (requires a PC connection at
You cannot use fastboot oem unlock . You must short two test points on the motherboard (requires opening the back cover) or pay a remote technician to use an EDL (Emergency Download) client to rewrite the secure boot flag. and post-install tips.
This covers what’s available, risks, requirements, step-by-step installation, and post-install tips.