Iphone Battery replacement

我的问题

Battery drain.

我的修理方法

It went well, the adhesive on the sides are gone, since its been open before.

我的建议

I had a problem on removing the adhesive tape under the battery. I got one strip out, but the other one break and had to fish back on it with tweezers. also on the connector strip from the battery it needs to be folded. I was worried I might break it if I fold it to hard.