Contact service error in nokia7310c

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Hello friends,

I have a nokia 7310c phone but whenever I tried to turn in on it gave a msg in the center of the screen saying "contact service" and suddenly it turns off.
i have installed a new battery in it.
and tried at the service center but they could not do anything to it.

please tell me what should i do now.

1 reply

Hi there,

As you requested a video for the process then use link below: