What is RTC ? & his work in Mobile

This mobile phone is located near power ic in PCB, this kind of rtc is made of metal or non-metal, it is a crystal long shape that can be easily identified.

Work: – Keeps the date of time even after the mobile phone is shut down.

Faults: – RTC does not show the time and date of mobile in case of bad, sometimes the mobile gets full dead. This is more in china phones.     

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