Nexus 7 battery draining too fast and system working too slow

[Micheal14422]

My #Nexus 7 battery is draining too fast and it's 4270mah. And also the system is working too slow. What can I do?

@Micheal14422 

[Falcon_ASUS · Accepted solution]

@Micheal14422 
According to your description, it may be caused by the aging of the battery.
Since your device is a product that has been sold for a long time, it is recommended that you try to restore the system.
Sorry for any inconvenience it may be caused. 

[Micheal14422]

The phone as been used for a while and now for it to be used it keeps hanging and draining power too fast

[ZenBot]

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