Acer Z2 Liquid hard reset

Acer Z2 Liquid data:

GSM frequencies :850 900 1800 1900

Standard UMTS :900 2100

Type :Touch

Dimensions (W x H x D) :110,00 x 62,50 x 12,25 mm

Weight :110,00 g

Main display :Color / IPS TFT

                     320 x 480 px (3.50")

Talk time (max.) :2G: 480 min. (8,0 h)

Stand-by (max.) :2G: 400 h. (16,7 days)

Standard battery :Li-Ion 1300 mAh

Internal memory :4 GB

RAM memory :512 MB

Memory cards : microSD, microSDHC (up to 32 GB)

Operating system :Android 4.1 Jelly Bean

Processor clock :1,00 GHz

How to hard reset:

Warning! All data will be lost!

1.Shutdown the phone

2.Press together  power button  and volume down  until the phone will vibrate

3.Once it vibrates,be quick and release Vol- and push Vol+.

4.The phone will vibrate again, and you will see a new menu 

5.Use volume up to navigate and volume down to select "recovery"

6.Use Vol- & Vol+ to choose "Wipe data/factory reset" and use menu key to select it

7.Confirm "yes - delete all data" with menu key

8.Select "reboot"

9.Wait until the phone restarts.

Here is video how to do: