Some additional thoughts and experiences:
I have two Magic Mouse 2s on my desktop at all times, and another one in my computer bag. I hate my life when I have to use any other pointing device. So, when the MM2s mess up it’s super aggravating, and it happens periodically and for different reasons.
When the pointer gets jittery, or just won’t hardly move, I’ve found there are three or four potential fixes:
- The dropping the mouse thing does sometimes correct the problem, but probably only because the impact dislodges lint, fuzz, or dirt that was messing with the optical sensors.
# Getting the lens clean is probably the most important fix. I use an actual air compressor and just blow the heck out of the sensor hole. A little puff of canned air may not be enough. I’ve been surprised just how much fuzz accumulates in the sensor hole. Blow it out periodically.
- The little plastic rails on the bottom of the mouse can build up a layer of waxy stuff. That waxy stuff seems to misalign the IR sensors from the mousepad and causes weird pointer movements. Scrape the waxy stuff off, and clean the rails thoroughly with a microfiber cloth and maybe some rubbing alcohol.
- The mouse-pad surface (or whatever surface you’re running) can affect the performance of the mouse. MM2 seems to like fairly glossy surfaces. Fabric surfaces tend to contribute to the fuzz effect (the fabric may be turning into fuzz, or the fabric may just attract more fuzz), and glossier surfaces like plastic or leather tend to contribute to the waxy buildup effect (which is mostly just your skin oil and dust).
I haven’t had any software-related MM2 issues, only hardware-related, so if the above items don’t fix your mouse, it’s possible its a software issue, or you may just need a new mouse.