Update time: Jan. 25th, 2022. Old Xhorse Key Tool supports generating Toyota XM Smart Key. This function requires users to download the latest firmware via Upgrade Kit.
Connect your phone to Key Tool.
On xhorse app, select
Vehicle Remote>>TOYOTA>>0020 312.1/314.35
Put an Xhorse TOY.T Smart Key into the coil.
Press "Generate" and it'll be done soon.