Possible fix for tail wag on Eachine E160 & JJRC M03 [didn't work for me]

Update: during sports flight and simple 3D flight, the tail wag fault came back. 🙁 Maybe the bearings are damaged, maybe something else is at fault?🤔 Credit: (Mandarin video by 偉力控)    • 【偉力控】 JJRC M03 eachine e160 金魚尾的解除方法   1. Hovering video showing after apply the fix, at 0:09 2. Explanation & procedure, at 3:50 🚁 Eachine E160 Bind-aNd-Fly (BNF) at Banggood.com: https://www.banggood.com/Eachine-E160...