ohh parehi tayo ng cellphone. kailangan talaga ng pc yan ts sa time na mag flash kana. kasi dapat mag install ka ng boot recovery like cwm or twrp.
dapat ka search talaga jan ts.
1. root
2. unlock bootloader or installing cwm/twrp
3. flashing custom rom
search mo yan.
ayan cf auto root tools gamit k ng odin download mo sa google.
1.open ODIN
2.CLick AP hanapin mo ung dinownload mona cf auto root tools
3.salpak c usb sa computer,connect c samsung s3 mo
4.utrn off ur phone the hold volume down,home button and power button sabay lht dapat yan huh.. mg aapear na c download mode nyan click volume up..
5.balik sa sa pc ky odin then click start wait until flashing finish hangang mg restart phone mo rooted n yan..install k ng twrp recovery 3.0.0.0 is best version ng twrp
pwede k ng mg install ng costum rom jan like moded rom marshmallow,cyanogen,omega,phoenix rom at maraming pang iba...