Ok. i did a DIY battery swap tonight. Primarily cos Apple rejected me due to the improper installation of my existing battery (stupid 3rd party shop). Here to share my experience.
1. Took me 30mins to literally pry the damm 3d party battery. I actually scared myself, cos my tweezer punctured the corner of the existing lithium battery .. and it created a small flame. Lucky i put it out quickly,
The 3rd party shop
DID not use the proper adhesive tabs (akin to those 3M pull & dislodge type). They simply used strong double side tape. So it was virtually impossible to take out the battery without slowly using a ruler to "lift" and scape the bottom of the battery.
2. After which the replacement was relatively simple.
Purchase the Baseus Battery For iPhone
(
https://shopee.sg/Baseus-Battery-Fo...Phone-X-Xs-Max-Xr-7P-8P-i.68716077.4770828713)
It comes with everything required.
3. Only problem is i made this stupid stupid mistake.
Think i should have connected the battery 1st before i pasted the battery down.
Cable is bit too long. Could have avoided this by shifting the battery slightly to the other side.
So now i have this piece sticking out. Its quite sharp.
But i could close the phone back.
And it works.
Sigh .. mistakes made.
Biggest lesson learnt. Sent it back .. let Apple do it for $75.
Anyway, hope my feedback provides some valuable lessons in case anyone wants to DIY. Its quite easy really. Cept the messy part is removing the battery (IF its installed improperly)