Officially supported by CyanogenMod (CyanogenMod is pre-installed on the device). Bootloader is easily unlockable with fastboot. GSM and LTE supported.
The phone has a Qualcomm processor, but appears to have fewer blobs than normal.
RE: OnePlus One - Added by Paul Kocialkowski about 6 years ago
Again, this is obviously not the complete list of blobs, it just cannot be. For instance, there has to be graphics acceleration-related blobs, so if they're not here, then the list is not complete. No RIL there either, etc.
The rest of the blobs are at:
This is a Qualcomm device, so at usual, bad for privacy, bad for freedom, so I'll call it a bad target.