Lenovo P2 would be better option,It is is built on a fast performing Snapdragon chipset and great pair of camera. But what stands out with this device is its 5,100mAh battery, Lenovo Vibe P1 vs Lenovo P2
To hard reset your Vibe P1 you need to hold down the Volume Down + Power Button to choose "wipe data/factory reset", and then push the Power button to confirm. Select "Yes--delete all user data". Use Volume Down button to scroll and Power button to select. To restart the phone, select "reboot system now".