gmtp
WARNING: gconf schema invalid, reverting to defaults. Please ensure schema is loaded in gconf database.
Device 0 (VID=12d1 and PID=260b) is UNKNOWN in libmtp v1.1.12.
Please report this VID/PID and the device model to the libmtp development team
Android device detected, assigning default bug flags
This is a Huawei LUA-L02
Answer on GitHub
I think you should report this with the "real" libmtp developers. As crazy as it may sound: They are using Sourceforge not github. Please check https://sourceforge.net/p/libmtp/support-requests/ or https://sourceforge.net/p/libmtp/mailman/ .
Anonymous
added to git for 1.1.15 release, thanks!