I haven't found a way. Some people have had success doing a factory reset on the Huatch but that didn't work for me. I did get a prompt under Settings | About | System Update that said to connect my charger to install:
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From what I understand, if you have your charger handy when you get this, it will download and install when placed on the charger. I didn't, but eventually I got a card for the update. Mind you, I was at roughly 70-80% when I got the update and was aroung 50% after installation.