Hello! In this tutorial I will show you how to hard reset your Samsung Galaxy S4.
Use this option in case you forgot your pattern lock or your phone has some software problems.Look inside this post to see how to do.
Samsung Galaxy S4 M919 T Mobile data:
GSM frequencies :850 900 1800 1900
Standard UMTS :850 1900 2100
Type :Touch
Dimensions (W x H x D) :136,60 x 69,60 x 7,90 mm
Weight :130,10 g
Main display :Color / Super AMOLED
16M colors
1080 x 1920 px (5.00") 441 ppi
Talk time (max.) :3G: 1020 min. (17,0 h)
Stand-by (max.) :3G: 350 h. (14,6 days)
4G: 300 h. (12,5 days)
Standard battery :Li-Ion 2600 mAh
Internal memory :16 GB
RAM memory :2 GB
Memory cards : microSD, microSDHC, microSDX (up to 64 GB)
Operating system :Android 4.2.2 Jelly Bean
Processor :Qualcomm APQ8064T
Processor clock :1,90 GHz
SAR (10g) :1,31 W/kg
How to hard reset:
1.Turn off your phone
2.Push together volume up + home key + power key until you see Samsung logo on screen
3. Browse with volume key and choose "wipe data"
4.Push power key to confirm
5.Select "yes" and press power to confirm
6.Wait until format ends
7.Push power key to confirm "reboot"
8.Wait until the phone restarts
Here is video how to do: