answered by anonymous
... .com/stock-rom-for-galaxy-s2-i9100-official-firmware-variants/
[2]: install-stock-rom-on-galaxy-s2">http://xperiahtcrootingrom.com/install-stock-rom-on-galaxy-s2 ...
... a computer, but after you have installed [Samsung Kies][3]. Kies is necessary ... phone will be restored to a stock ROM.
[1]: http://samsung-updates.com/device ...