Thank you for a very nice and easy to follow tutorial!

I have now replaced my battery with what should be an original battery for the Huawei Ascend P8, battery nr: HB3447A9EBW. For some reason the width of the new battery is a few millimeters smaller than the old one, meaning that it does not fill out the space completely. Has anyone else experienced the same?

After having assembled the phone again I experience some weird issues with the battery level dropping from 50%, 60%, 70% or even 100% in an instant. I have tried calibrating the battery by, letting it die completely, recharge it to 100% let it drain completely again and recharge. I have tried different battery calibration apps and a factory reset - nothing helps.

I contacted the company I bought the battery from and got a replacement - still same issue.

Unfortunately i damaged the original battery when taking it out, so i cant use that as a reference.

Any suggestions would be most appreciated!