Press and hold buttons simultaneously.
If you are coming from a stock Samsung ROM, you cannot use a .zip file directly. You must use the .tar version of the recovery with on a Windows PC. Press and hold buttons simultaneously
If you are reading this, you are likely looking to breathe new life into your old Galaxy S2 by installing a custom ROM like LineageOS, Resurrection Remix, or Android Pie/10. But before you can flash any custom software, you need a bridge—a custom recovery. The most stable, legendary, and widely trusted version for the I9100 is . Press and hold buttons simultaneously