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:
