Battery connection error problem

I'm not able to charge my phone whenever I plug my charger to my phone it says battery connection error

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It should be a small error with contacting the battery's ribbon cable inside. Has the phone been subjected to any stress, i.e. drops, recently?

par

No, first battery indicates wrong percentage like if my phone has low battery it shows 50% and then If i put it on charge it says connection error

par

Good morning,

Judging by the fact percentages have been off, I'm guessing a BMS fault.

Have you tried a full reset of the phone &/or flashing of the software? Because software is the enemy to hardware unless they work together perfectly.

par

@faizankhan33136 have you tried a new battery?

par

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