I will show you how to reset the Samsung Galaxy 4G Core G386F.Use this option to reset security code, pattern lock or pin lock.You can also use this if your phone has software problems



Warning! Do this at your own risk! All your phone data
(contacts,photos,videos,music,messages,aplications ,games,files,) will be lost! Please make backup first if you can!
Samsung Glaxy Core 4G G386F data:

GSM frequencies :850 900 1800 1900
Standard UMTS :900 2100
Type :Touch
Dimensions (W x H x D) :132,90 x 66,30 x 9,80 mm
Weight :137,00 g
Main display :Color / PLS TFT
16M colors
540 x 960 px (4.50") 245 ppi
Standard battery :Li-Ion 2100 mAh
Internal memory :8 GB
RAM memory :1 GB
Memory cards : microSD, microSDHC, microSDXC (up to 64 GB)
Operating system :Android 4.2.2 Jelly Bean
Processor clock :1,20 GHz

How to reset?

Just follow the steps below:
1.Power off your phone
2.Click once volume up + home key + power key and take your fingers off the phone when Samsung logo appears on the screen
3.Navigate with the volume buttons and select "wipe data/factory reset" and press power to confirm



4.Select "yes-delete all data" and press power key to confirm



5.Wait until the memory is erased
6.Select "reboot system now" and press power key to confirm



7.Wait until the phone restarts
That's all!
Watch video how to do on youtube
https://www.youtube.com/watch?v=NMLu9TLuDN8