The newest QianLi tool, that helps fixing the problems of cycle, as well as efficiency that could not be corrected after cell replacement for iPhone 11 (and soon iPhone 12).
But when you do this, some problems may appear.
On the premise of keeping the original flex, the Battery health and Cycle can be corrected or modified by connecting the tag-on flex or built-in flex after cell replacement.
If you still have doubts, check this video, it will definitely help.
To purchase the Copy Power click here: https://moviparts.com/products/qianli-copy-power
To purchase the iPhone 11 flex cables click here: https://moviparts.com/search?q=copy%20power%20flex