Quote:
Originally Posted by feliciano
Thanks for offering your help. (I still have the battery).
I attach a picture of the screen.
I power on the phone -> That "Invalid Battery ID" shows on the screen -> and phone power itself off. It also refuse to charge it.
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Dear
For battery replacement I purchased a local battery of the same size. Then I torn upper part of both the battery and remove the inbuilt polymer battery having two terminal + and - . Then I removed the electronic circuit part of the original battery without damaging the circuit parts and boards then I solder the the two terminal + and - to the new battery and fitted into the broken old housing of the battery.
Now it is working fine, but the backup is same as before as I have not used a battery like nokia brand. but is working fine.
I have attached the image of my broken battery but it is fully working.