Thank you for the tutorial. I was able to successfully replace the original swollen battery and everything is working great. HOWEVER… in step 20 I was unable to pry up the sensor assembly, as it was requiring more force than I was comfortable applying. So I couldn’t disconnect the fingerprint sensor ribbon cable, and had to VERY CAREFULLY loosen the battery using heat and alcohol without breaking the ribbon.
All’s well that ends well, but is there a trick to to getting that sensor assembly out? Is there maybe some glue under it? I got all six screws out but it was flexing way too much when I tried to pry it out.