Official Samsung Galaxy SII All in One Android 4.1.2
2.Download install KIES Download latest USB drivers HERE
3.Download your own firmware coming from HERE extract it
4.Make shure That your phone is usually 70% charged
5.Turn off your own phone
6.Download mode samsung galaxy
7.Home"+"Power"+"Volume Down"
buttons with the same. Release ones buttons soon after you
carry your warning screen including at the screenshot given
below.
8.press "Volume Up" button to confirm the action,
Samsung | Galaxy S2 | GT-I9100 | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 | GT-I9100T | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 (Korea) | SHW-M250L | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 (Korea) | SHW-M250S | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 (Korea) | SHW-M250K | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 (T-Mobile) | SGH-T989 | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 (Telus) | SGH-T989D | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 Chine | GT-I9108 | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 Epic 4G Touch | SPH-D710 | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 G | GT-I9100G | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 HD LTE (Korea) | SHV-E120L | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 HD LTE (Korea) | SHV-E120S | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 HD LTE (Korea) | SHV-E120K | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 LTE (Korea) | SHV-E110S | Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 P | GT-I9100P| Jelly Bean 4.1.2 | Download
Samsung | Galaxy S2 Plus | GT-I9105 | Jelly Bean 4.2.2 | Download
Samsung | Galaxy S2 Plus | GT-I9105P | Jelly Bean 4.2.2 | Download