Help...How to do the Factory Reset

[mercer_1960]

How do I set this up from a reset to factory reset.

Zenphone = G500TG
I purchased this phone from a friend so ...
Please help

[Christine_ASUS]

Hi mercer.1960
Thank you for your asking. Please try "the Factory Reset" by
Settings>System>Reset options>Erase all data(factory reset)
Please note that once the Factory Reset is completed, all data, apps, settings and personal information will be deleted.